Added initial code for VBI capture based on work by
Hiroki Mori <mori@infocity.co.jp> and reworked by myself. This allows software decoding of teletext, intercast and subtitles via /dev/vbi.
This commit is contained in:
Roger Hardiman
parent
26da6e9453
commit
f677e15fe8
@ -1,4 +1,4 @@
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/* $Id: brooktree848.c,v 1.70 1999/04/29 05:48:32 roger Exp $ */
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/* $Id: brooktree848.c,v 1.71 1999/04/29 09:57:47 roger Exp $ */
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/* BT848 Driver for Brooktree's Bt848, Bt849, Bt878 and Bt 879 based cards.
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The Brooktree BT848 Driver driver is based upon Mark Tinguely and
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Jim Lowe's driver for the Matrox Meteor PCI card . The
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@ -367,6 +367,11 @@ They are unrelated to Revision Control numbering of FreeBSD or any other system.
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Added support for BCTV audio mux.
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All submitted by Hiroki Mori <mori@infocity.co.jp>
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1.63 29 Apr 1999 Roger Hardiman <roger@freebsd.org>
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Added initial code for VBI capture based on work by
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Hiroki Mori <mori@infocity.co.jp> and reworked by myself.
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This allows software decoding of teletext, intercast and
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subtitles via /dev/vbi.
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*/
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#define DDB(x) x
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@ -476,10 +481,31 @@ static void bktr_intr __P((void *arg));
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#endif
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#define BROOKTREE_ALLOC (BROOKTREE_ALLOC_PAGES * PAGE_SIZE)
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/* Definitions for VBI capture.
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* There are 16 VBI lines in a PAL video field (32 in a frame),
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* and we take 2044 samples from each line (placed in a 2048 byte buffer
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* for alignment).
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* VBI lines are held in a circular buffer before being read by a
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* user program from /dev/vbi.
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*/
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#define MAX_VBI_LINES 16 /* Maximum for all vidoe formats */
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#define VBI_LINE_SIZE 2048 /* Store upto 2048 bytes per line */
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#define VBI_BUFFER_ITEMS 20 /* Number of frames we buffer */
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#define VBI_DATA_SIZE (VBI_LINE_SIZE * MAX_VBI_LINES * 2)
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#define VBI_BUFFER_SIZE (VBI_DATA_SIZE * VBI_BUFFER_ITEMS)
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/* Defines for fields */
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#define ODD_F 0x01
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#define EVEN_F 0x02
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/* Defines for userland processes blocked in this driver */
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#define BKTR_SLEEP (caddr_t)bktr /* use memory address of bktr structure */
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#define VBI_SLEEP (caddr_t)(bktr+1) /* use memory address of bktr structure + 1 */
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/* (ok as the bktr structure is > 1 byte) */
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#ifdef __FreeBSD__
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static bktr_reg_t brooktree[ NBKTR ];
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@ -501,11 +527,7 @@ static struct pci_device bktr_device = {
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&bktr_count
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};
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#ifdef COMPAT_PCI_DRIVER
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COMPAT_PCI_DRIVER (bktr, bktr_device);
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#else
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DATA_SET (pcidevice_set, bktr_device);
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#endif /* COMPAT_PCI_DRIVER */
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static d_open_t bktr_open;
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static d_close_t bktr_close;
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@ -540,6 +562,7 @@ static int bktr_spl;
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static int bktr_intr_returning_1(void *arg) { bktr_intr(arg); return (1);}
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#define disable_intr() { bktr_spl = splhigh(); }
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#define enable_intr() { splx(bktr_spl); }
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static void vbidecode(bktr_ptr_t bktr);
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static int
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bktr_pci_match(pci_devaddr_t *pa)
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@ -615,22 +638,29 @@ struct devsw bktrsw = {
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static struct format_params format_params[] = {
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/* # define BT848_IFORM_F_AUTO (0x0) - don't matter. */
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{ 525, 26, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_AUTO },
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{ 525, 26, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_AUTO,
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16, 1600 },
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/* # define BT848_IFORM_F_NTSCM (0x1) */
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{ 525, 26, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_XT0 },
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{ 525, 26, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_XT0,
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16, 1600 },
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/* # define BT848_IFORM_F_NTSCJ (0x2) */
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{ 525, 22, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_XT0 },
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{ 525, 22, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_XT0,
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16, 1600 },
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/* # define BT848_IFORM_F_PALBDGHI (0x3) */
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{ 625, 32, 576, 1135, 186, 922, 768, 944, 25, 0x7f, 0x72, BT848_IFORM_X_XT1 },
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{ 625, 32, 576, 1135, 186, 924, 768, 944, 25, 0x7f, 0x72, BT848_IFORM_X_XT1,
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16, 2044 },
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/* # define BT848_IFORM_F_PALM (0x4) */
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{ 525, 22, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_XT0 },
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/*{ 625, 32, 576, 910, 186, 922, 640, 780, 25, 0x68, 0x5d, BT848_IFORM_X_XT0 }, */
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{ 525, 22, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_XT0,
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16, 1600 },
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/* # define BT848_IFORM_F_PALN (0x5) */
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{ 625, 32, 576, 1135, 186, 922, 768, 944, 25, 0x7f, 0x72, BT848_IFORM_X_XT1 },
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{ 625, 32, 576, 1135, 186, 924, 768, 944, 25, 0x7f, 0x72, BT848_IFORM_X_XT1,
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16, 2044 },
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/* # define BT848_IFORM_F_SECAM (0x6) */
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{ 625, 32, 576, 1135, 186, 922, 768, 944, 25, 0x7f, 0xa0, BT848_IFORM_X_XT1 },
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{ 625, 32, 576, 1135, 186, 924, 768, 944, 25, 0x7f, 0xa0, BT848_IFORM_X_XT1,
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16, 2044 },
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/* # define BT848_IFORM_F_RSVD (0x7) - ???? */
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{ 625, 32, 576, 1135, 186, 922, 768, 944, 25, 0x7f, 0x72, BT848_IFORM_X_XT0 },
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{ 625, 32, 576, 1135, 186, 924, 768, 944, 25, 0x7f, 0x72, BT848_IFORM_X_XT0,
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16, 2044 },
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};
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/*
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@ -1200,6 +1230,7 @@ static bool_t split(bktr_reg_t *, volatile u_long **, int, u_long, int,
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*/
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static int video_open( bktr_ptr_t bktr );
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static int video_close( bktr_ptr_t bktr );
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static int video_read( bktr_ptr_t bktr, dev_t dev, struct uio *uio );
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static int video_ioctl( bktr_ptr_t bktr, int unit,
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int cmd, caddr_t arg, struct proc* pr );
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@ -1222,6 +1253,12 @@ static int tv_freq( bktr_ptr_t bktr, int frequency );
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static int do_afc( bktr_ptr_t bktr, int addr, int frequency );
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#endif /* TUNER_AFC */
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/*
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* vbi specific functions.
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*/
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static int vbi_open( bktr_ptr_t bktr );
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static int vbi_close( bktr_ptr_t bktr );
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static int vbi_read( bktr_ptr_t bktr, dev_t dev, struct uio *uio );
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/*
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* audio specific functions.
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@ -1428,6 +1465,15 @@ bktr_attach( ATTACH_ARGS )
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bt848->gpio_dma_ctl = FIFO_RISC_DISABLED;
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}
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bktr->vbidata = get_bktr_mem(unit, VBI_DATA_SIZE);
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bktr->vbibuffer = get_bktr_mem(unit, VBI_BUFFER_SIZE);
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bktr->vbiinsert = 0;
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bktr->vbistart = 0;
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bktr->vbisize = 0;
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bktr->vbiflags = 0;
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/* read the pci id and determine the card type */
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fun = pci_conf_read(tag, PCI_ID_REG);
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rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff;
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@ -1480,6 +1526,34 @@ bktr_attach( ATTACH_ARGS )
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}
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/* Copy the vbi lines from 'vbidata' into the circular buffer, 'vbibuffer'.
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* The circular buffer holds 'n' fixed size data blocks.
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* vbisize is the number of bytes in the circular buffer
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* vbiread is the point we reading data out of the circular buffer
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* vbiinsert is the point we insert data into the circular buffer
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*/
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static void vbidecode(bktr_ptr_t bktr) {
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unsigned char *dest;
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/* Check if there is room in the buffer to insert the data. */
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if (bktr->vbisize + VBI_DATA_SIZE > VBI_BUFFER_SIZE) return;
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/* Copy the VBI data into the next free slot in the buffer. */
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/* 'dest' is the point in vbibuffer where we want to insert new data */
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dest = (unsigned char *)bktr->vbibuffer + bktr->vbiinsert;
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/* block copy the vbi data into the buffer */
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memcpy(dest, (unsigned char*)bktr->vbidata, VBI_DATA_SIZE);
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/* Increment the vbiinsert pointer */
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/* This can wrap around */
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bktr->vbiinsert += VBI_DATA_SIZE;
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bktr->vbiinsert = (bktr->vbiinsert % VBI_BUFFER_SIZE);
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/* And increase the amount of vbi data in the buffer */
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bktr->vbisize = bktr->vbisize + VBI_DATA_SIZE;
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}
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/*
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* interrupt handling routine complete bktr_read() if using interrupts.
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@ -1529,6 +1603,8 @@ bktr_intr( void *arg )
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/* printf( " STATUS %x %x %x \n",
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dstatus, bktr_status, bt848->risc_count );
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*/
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/* if risc was disabled re-start process again */
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if ( !(bktr_status & BT848_INT_RISC_EN) ||
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((bktr_status &(BT848_INT_FBUS |
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@ -1576,16 +1652,18 @@ bktr_intr( void *arg )
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BT848_INT_FMTCHG;
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bt848->cap_ctl = bktr->bktr_cap_ctl;
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return;
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}
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/* If this is not a RISC program interrupt, return */
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if (!(bktr_status & BT848_INT_RISCI))
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return;
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/**
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printf( "intr status %x %x %x\n",
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bktr_status, dstatus, bt848->risc_count );
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*/
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/*
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* Disable future interrupts if a capture mode is not selected.
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@ -1664,6 +1742,14 @@ bktr_intr( void *arg )
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microtime(ts);
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}
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}
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/*
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* Process the VBI data if it is being captured
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*/
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if (bktr->vbiflags & VBI_CAPTURE) {
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vbidecode(bktr);
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wakeup(VBI_SLEEP);
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}
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/*
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* Wake up the user in single capture mode.
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@ -1675,7 +1761,7 @@ bktr_intr( void *arg )
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/* disable risc, leave fifo running */
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bt848->gpio_dma_ctl = FIFO_ENABLED;
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wakeup((caddr_t)bktr);
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wakeup(BKTR_SLEEP);
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}
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/*
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@ -1730,6 +1816,7 @@ bktr_intr( void *arg )
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#define VIDEO_DEV 0x00
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#define TUNER_DEV 0x01
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#define VBI_DEV 0x02
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/*
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*
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@ -1785,6 +1872,9 @@ bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
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case TUNER_DEV:
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return( tuner_open( bktr ) );
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case VBI_DEV:
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return( vbi_open( bktr ) );
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}
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return( ENXIO );
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@ -1904,6 +1994,24 @@ video_open( bktr_ptr_t bktr )
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return( 0 );
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}
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static int
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vbi_open( bktr_ptr_t bktr )
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{
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if (bktr->vbiflags & VBI_OPEN) /* device is busy */
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return( EBUSY );
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bktr->vbiflags |= VBI_OPEN;
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/* reset the VBI circular buffer pointers and clear the buffers */
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bktr->vbiinsert = 0;
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bktr->vbistart = 0;
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bktr->vbisize = 0;
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bzero((caddr_t) bktr->vbibuffer, VBI_BUFFER_SIZE);
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bzero((caddr_t) bktr->vbidata, VBI_DATA_SIZE);
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return( 0 );
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}
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/*
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*
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@ -1959,6 +2067,10 @@ bktr_close( dev_t dev, int flags, int fmt, struct proc *p )
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case TUNER_DEV:
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return( tuner_close( bktr ) );
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case VBI_DEV:
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return( vbi_close( bktr ) );
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}
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return( ENXIO );
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@ -2012,6 +2124,14 @@ tuner_close( bktr_ptr_t bktr )
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return( 0 );
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}
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static int
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vbi_close( bktr_ptr_t bktr )
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{
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bktr->vbiflags &= ~VBI_OPEN;
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return( 0 );
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}
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/*
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*
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@ -2020,19 +2140,39 @@ int
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bktr_read( dev_t dev, struct uio *uio, int ioflag )
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{
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bktr_ptr_t bktr;
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bt848_ptr_t bt848;
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int unit;
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int status;
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int count;
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if (MINOR(minor(dev)) > 0)
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return( ENXIO );
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unit = UNIT(minor(dev));
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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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switch ( MINOR( minor(dev) ) ) {
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case VIDEO_DEV:
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return( video_read( bktr, dev, uio ) );
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case VBI_DEV:
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return( vbi_read( bktr, dev, uio ) );
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}
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return( ENXIO );
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}
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/*
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*
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*/
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static int
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video_read(bktr_ptr_t bktr, dev_t dev, struct uio *uio)
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{
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bt848_ptr_t bt848;
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int unit;
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int status;
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int count;
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unit = UNIT(minor(dev));
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bt848 = bktr->base;
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if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */
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@ -2064,7 +2204,7 @@ bktr_read( dev_t dev, struct uio *uio, int ioflag )
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BT848_INT_FMTCHG;
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status = tsleep((caddr_t)bktr, BKTRPRI, "captur", 0);
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status = tsleep(BKTR_SLEEP, BKTRPRI, "captur", 0);
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if (!status) /* successful capture */
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status = uiomove((caddr_t)bktr->bigbuf, count, uio);
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else
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@ -2075,6 +2215,49 @@ bktr_read( dev_t dev, struct uio *uio, int ioflag )
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return( status );
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}
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/*
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* Read VBI data from the vbi circular buffer
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* The buffer holds vbi data blocks which are the same size
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* vbiinsert is the position we will insert the next item into the buffer
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* vbistart is the actual position in the buffer we want to read from
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* vbisize is the exact number of bytes in the buffer left to read
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*/
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static int
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vbi_read(bktr_ptr_t bktr, dev_t dev, struct uio *uio)
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{
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int readsize, readsize2;
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int status;
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if(bktr->vbisize == 0)
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status = tsleep(VBI_SLEEP, BKTRPRI, "vbi", 0);
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readsize = (int)uio->uio_iov->iov_len;
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/* We cannot read more bytes than there are in the circular buffer */
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if (readsize > bktr->vbisize) readsize = bktr->vbisize;
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/* Check if we can read this number of bytes without having to wrap around the circular buffer */
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if((bktr->vbistart + readsize) >= VBI_BUFFER_SIZE) {
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/* We need to wrap around */
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readsize2 = VBI_BUFFER_SIZE - bktr->vbistart;
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status = uiomove((caddr_t)bktr->vbibuffer + bktr->vbistart, readsize2, uio);
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status += uiomove((caddr_t)bktr->vbibuffer, (readsize - readsize2), uio);
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} else {
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/* We do not need to wrap around */
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status = uiomove((caddr_t)bktr->vbibuffer + bktr->vbistart, readsize, uio);
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}
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/* Update the number of bytes left to read */
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bktr->vbisize -= readsize;
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/* Update vbistart */
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bktr->vbistart += readsize;
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bktr->vbistart = bktr->vbistart % VBI_BUFFER_SIZE; /* wrap around if needed */
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return( status );
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}
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/*
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*
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@ -2110,6 +2293,7 @@ bktr_ioctl( dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr )
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case TUNER_DEV:
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return( tuner_ioctl( bktr, unit, cmd, arg, pr ) );
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}
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return( ENXIO );
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@ -2440,7 +2624,7 @@ video_ioctl( bktr_ptr_t bktr, int unit, int cmd, caddr_t arg, struct proc* pr )
|
||||
BT848_INT_FMTCHG;
|
||||
|
||||
bt848->cap_ctl = bktr->bktr_cap_ctl;
|
||||
error = tsleep((caddr_t)bktr, BKTRPRI, "captur", hz);
|
||||
error = tsleep(BKTR_SLEEP, BKTRPRI, "captur", hz);
|
||||
if (error && (error != ERESTART)) {
|
||||
/* Here if we didn't get complete frame */
|
||||
#ifdef DIAGNOSTIC
|
||||
@ -2535,6 +2719,7 @@ video_ioctl( bktr_ptr_t bktr, int unit, int cmd, caddr_t arg, struct proc* pr )
|
||||
unit, geo->columns);
|
||||
error = EINVAL;
|
||||
}
|
||||
|
||||
if (geo->rows <= 0) {
|
||||
printf(
|
||||
"bktr%d: ioctl: %d: rows must be greater than zero.\n",
|
||||
@ -2549,6 +2734,7 @@ video_ioctl( bktr_ptr_t bktr, int unit, int cmd, caddr_t arg, struct proc* pr )
|
||||
unit, geo->rows);
|
||||
error = EINVAL;
|
||||
}
|
||||
|
||||
if (geo->frames > 32) {
|
||||
printf("bktr%d: ioctl: too many frames.\n", unit);
|
||||
|
||||
@ -3325,8 +3511,8 @@ dump_bt848( bt848_ptr_t bt848 )
|
||||
*/
|
||||
#define BKTR_FM1 0x6 /* packed data to follow */
|
||||
#define BKTR_FM3 0xe /* planar data to follow */
|
||||
#define BKTR_VRE 0x4 /* even field to follow */
|
||||
#define BKTR_VRO 0xC /* odd field to follow */
|
||||
#define BKTR_VRE 0x4 /* Marks the end of the even field */
|
||||
#define BKTR_VRO 0xC /* Marks the end of the odd field */
|
||||
#define BKTR_PXV 0x0 /* valid word (never used) */
|
||||
#define BKTR_EOL 0x1 /* last dword, 4 bytes */
|
||||
#define BKTR_SOL 0x2 /* first dword */
|
||||
@ -3341,6 +3527,8 @@ dump_bt848( bt848_ptr_t bt848 )
|
||||
#define OP_SOL (1 << 27) /* first instr for scanline */
|
||||
#define OP_EOL (1 << 26)
|
||||
|
||||
#define BKTR_RESYNC (1 << 15)
|
||||
#define BKTR_GEN_IRQ (1 << 24)
|
||||
bool_t notclipped (bktr_reg_t * bktr, int x, int width) {
|
||||
int i;
|
||||
bktr_clip_t * clip_node;
|
||||
@ -3550,9 +3738,8 @@ rgb_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
|
||||
|
||||
buffer = target_buffer;
|
||||
|
||||
|
||||
/* contruct sync : for video packet format */
|
||||
*dma_prog++ = OP_SYNC | 1 << 15 | BKTR_FM1;
|
||||
*dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
|
||||
|
||||
/* sync, mode indicator packed data */
|
||||
*dma_prog++ = 0; /* NULL WORD */
|
||||
@ -3588,7 +3775,7 @@ rgb_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
|
||||
switch (i_flag) {
|
||||
case 1:
|
||||
/* sync vre */
|
||||
*dma_prog++ = OP_SYNC | 1 << 24 | BKTR_VRO;
|
||||
*dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_VRO;
|
||||
*dma_prog++ = 0; /* NULL WORD */
|
||||
|
||||
*dma_prog++ = OP_JUMP;
|
||||
@ -3597,7 +3784,7 @@ rgb_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
|
||||
|
||||
case 2:
|
||||
/* sync vro */
|
||||
*dma_prog++ = OP_SYNC | 1 << 24 | BKTR_VRE;
|
||||
*dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_VRE;
|
||||
*dma_prog++ = 0; /* NULL WORD */
|
||||
|
||||
*dma_prog++ = OP_JUMP;
|
||||
@ -3606,7 +3793,7 @@ rgb_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
|
||||
|
||||
case 3:
|
||||
/* sync vro */
|
||||
*dma_prog++ = OP_SYNC | 1 << 24 | 1 << 15 | BKTR_VRO;
|
||||
*dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRO;
|
||||
*dma_prog++ = 0; /* NULL WORD */
|
||||
*dma_prog++ = OP_JUMP; ;
|
||||
*dma_prog = (u_long ) vtophys(bktr->odd_dma_prog);
|
||||
@ -3619,9 +3806,8 @@ rgb_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
|
||||
|
||||
dma_prog = (u_long *) bktr->odd_dma_prog;
|
||||
|
||||
|
||||
/* sync vre IRQ bit */
|
||||
*dma_prog++ = OP_SYNC | 1 << 15 | BKTR_FM1;
|
||||
*dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
|
||||
*dma_prog++ = 0; /* NULL WORD */
|
||||
width = cols;
|
||||
for (i = 0; i < (rows/interlace); i++) {
|
||||
@ -3654,7 +3840,7 @@ rgb_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
|
||||
}
|
||||
|
||||
/* sync vre IRQ bit */
|
||||
*dma_prog++ = OP_SYNC | 1 << 24 | 1 << 15 | BKTR_VRE;
|
||||
*dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRE;
|
||||
*dma_prog++ = 0; /* NULL WORD */
|
||||
*dma_prog++ = OP_JUMP ;
|
||||
*dma_prog++ = (u_long ) vtophys(bktr->dma_prog) ;
|
||||
@ -4172,6 +4358,8 @@ build_dma_prog( bktr_ptr_t bktr, char i_flag )
|
||||
rows = bktr->rows;
|
||||
cols = bktr->cols;
|
||||
|
||||
bktr->vbiflags &= ~VBI_CAPTURE; /* default - no vbi capture */
|
||||
|
||||
if ( pf_int->public.type == METEOR_PIXTYPE_RGB ) {
|
||||
rgb_prog(bktr, i_flag, cols, rows, interlace);
|
||||
return;
|
||||
@ -5992,7 +6180,7 @@ do_afc( bktr_ptr_t bktr, int addr, int frequency )
|
||||
origFrequency = frequency;
|
||||
|
||||
/* wait for first setting to take effect */
|
||||
tsleep( (caddr_t)bktr, PZERO, "tuning", hz/8 );
|
||||
tsleep( BKTR_SLEEP, PZERO, "tuning", hz/8 );
|
||||
|
||||
if ( (status = i2cRead( bktr, addr + 1 )) < 0 )
|
||||
return( -1 );
|
||||
@ -6206,7 +6394,7 @@ temp_mute( bktr_ptr_t bktr, int flag )
|
||||
set_audio( bktr, AUDIO_MUTE ); /* prevent 'click' */
|
||||
}
|
||||
else {
|
||||
tsleep( (caddr_t)bktr, PZERO, "tuning", hz/8 );
|
||||
tsleep( BKTR_SLEEP, PZERO, "tuning", hz/8 );
|
||||
if ( muteState == FALSE )
|
||||
set_audio( bktr, AUDIO_UNMUTE );
|
||||
}
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* $Id: brooktree848.c,v 1.70 1999/04/29 05:48:32 roger Exp $ */
|
||||
/* $Id: brooktree848.c,v 1.71 1999/04/29 09:57:47 roger Exp $ */
|
||||
/* BT848 Driver for Brooktree's Bt848, Bt849, Bt878 and Bt 879 based cards.
|
||||
The Brooktree BT848 Driver driver is based upon Mark Tinguely and
|
||||
Jim Lowe's driver for the Matrox Meteor PCI card . The
|
||||
@ -367,6 +367,11 @@ They are unrelated to Revision Control numbering of FreeBSD or any other system.
|
||||
Added support for BCTV audio mux.
|
||||
All submitted by Hiroki Mori <mori@infocity.co.jp>
|
||||
|
||||
1.63 29 Apr 1999 Roger Hardiman <roger@freebsd.org>
|
||||
Added initial code for VBI capture based on work by
|
||||
Hiroki Mori <mori@infocity.co.jp> and reworked by myself.
|
||||
This allows software decoding of teletext, intercast and
|
||||
subtitles via /dev/vbi.
|
||||
*/
|
||||
|
||||
#define DDB(x) x
|
||||
@ -476,10 +481,31 @@ static void bktr_intr __P((void *arg));
|
||||
#endif
|
||||
#define BROOKTREE_ALLOC (BROOKTREE_ALLOC_PAGES * PAGE_SIZE)
|
||||
|
||||
/* Definitions for VBI capture.
|
||||
* There are 16 VBI lines in a PAL video field (32 in a frame),
|
||||
* and we take 2044 samples from each line (placed in a 2048 byte buffer
|
||||
* for alignment).
|
||||
* VBI lines are held in a circular buffer before being read by a
|
||||
* user program from /dev/vbi.
|
||||
*/
|
||||
|
||||
#define MAX_VBI_LINES 16 /* Maximum for all vidoe formats */
|
||||
#define VBI_LINE_SIZE 2048 /* Store upto 2048 bytes per line */
|
||||
#define VBI_BUFFER_ITEMS 20 /* Number of frames we buffer */
|
||||
#define VBI_DATA_SIZE (VBI_LINE_SIZE * MAX_VBI_LINES * 2)
|
||||
#define VBI_BUFFER_SIZE (VBI_DATA_SIZE * VBI_BUFFER_ITEMS)
|
||||
|
||||
|
||||
/* Defines for fields */
|
||||
#define ODD_F 0x01
|
||||
#define EVEN_F 0x02
|
||||
|
||||
/* Defines for userland processes blocked in this driver */
|
||||
#define BKTR_SLEEP (caddr_t)bktr /* use memory address of bktr structure */
|
||||
#define VBI_SLEEP (caddr_t)(bktr+1) /* use memory address of bktr structure + 1 */
|
||||
/* (ok as the bktr structure is > 1 byte) */
|
||||
|
||||
|
||||
#ifdef __FreeBSD__
|
||||
|
||||
static bktr_reg_t brooktree[ NBKTR ];
|
||||
@ -501,11 +527,7 @@ static struct pci_device bktr_device = {
|
||||
&bktr_count
|
||||
};
|
||||
|
||||
#ifdef COMPAT_PCI_DRIVER
|
||||
COMPAT_PCI_DRIVER (bktr, bktr_device);
|
||||
#else
|
||||
DATA_SET (pcidevice_set, bktr_device);
|
||||
#endif /* COMPAT_PCI_DRIVER */
|
||||
|
||||
static d_open_t bktr_open;
|
||||
static d_close_t bktr_close;
|
||||
@ -540,6 +562,7 @@ static int bktr_spl;
|
||||
static int bktr_intr_returning_1(void *arg) { bktr_intr(arg); return (1);}
|
||||
#define disable_intr() { bktr_spl = splhigh(); }
|
||||
#define enable_intr() { splx(bktr_spl); }
|
||||
static void vbidecode(bktr_ptr_t bktr);
|
||||
|
||||
static int
|
||||
bktr_pci_match(pci_devaddr_t *pa)
|
||||
@ -615,22 +638,29 @@ struct devsw bktrsw = {
|
||||
|
||||
static struct format_params format_params[] = {
|
||||
/* # define BT848_IFORM_F_AUTO (0x0) - don't matter. */
|
||||
{ 525, 26, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_AUTO },
|
||||
{ 525, 26, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_AUTO,
|
||||
16, 1600 },
|
||||
/* # define BT848_IFORM_F_NTSCM (0x1) */
|
||||
{ 525, 26, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_XT0 },
|
||||
{ 525, 26, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_XT0,
|
||||
16, 1600 },
|
||||
/* # define BT848_IFORM_F_NTSCJ (0x2) */
|
||||
{ 525, 22, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_XT0 },
|
||||
{ 525, 22, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_XT0,
|
||||
16, 1600 },
|
||||
/* # define BT848_IFORM_F_PALBDGHI (0x3) */
|
||||
{ 625, 32, 576, 1135, 186, 922, 768, 944, 25, 0x7f, 0x72, BT848_IFORM_X_XT1 },
|
||||
{ 625, 32, 576, 1135, 186, 924, 768, 944, 25, 0x7f, 0x72, BT848_IFORM_X_XT1,
|
||||
16, 2044 },
|
||||
/* # define BT848_IFORM_F_PALM (0x4) */
|
||||
{ 525, 22, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_XT0 },
|
||||
/*{ 625, 32, 576, 910, 186, 922, 640, 780, 25, 0x68, 0x5d, BT848_IFORM_X_XT0 }, */
|
||||
{ 525, 22, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_XT0,
|
||||
16, 1600 },
|
||||
/* # define BT848_IFORM_F_PALN (0x5) */
|
||||
{ 625, 32, 576, 1135, 186, 922, 768, 944, 25, 0x7f, 0x72, BT848_IFORM_X_XT1 },
|
||||
{ 625, 32, 576, 1135, 186, 924, 768, 944, 25, 0x7f, 0x72, BT848_IFORM_X_XT1,
|
||||
16, 2044 },
|
||||
/* # define BT848_IFORM_F_SECAM (0x6) */
|
||||
{ 625, 32, 576, 1135, 186, 922, 768, 944, 25, 0x7f, 0xa0, BT848_IFORM_X_XT1 },
|
||||
{ 625, 32, 576, 1135, 186, 924, 768, 944, 25, 0x7f, 0xa0, BT848_IFORM_X_XT1,
|
||||
16, 2044 },
|
||||
/* # define BT848_IFORM_F_RSVD (0x7) - ???? */
|
||||
{ 625, 32, 576, 1135, 186, 922, 768, 944, 25, 0x7f, 0x72, BT848_IFORM_X_XT0 },
|
||||
{ 625, 32, 576, 1135, 186, 924, 768, 944, 25, 0x7f, 0x72, BT848_IFORM_X_XT0,
|
||||
16, 2044 },
|
||||
};
|
||||
|
||||
/*
|
||||
@ -1200,6 +1230,7 @@ static bool_t split(bktr_reg_t *, volatile u_long **, int, u_long, int,
|
||||
*/
|
||||
static int video_open( bktr_ptr_t bktr );
|
||||
static int video_close( bktr_ptr_t bktr );
|
||||
static int video_read( bktr_ptr_t bktr, dev_t dev, struct uio *uio );
|
||||
static int video_ioctl( bktr_ptr_t bktr, int unit,
|
||||
int cmd, caddr_t arg, struct proc* pr );
|
||||
|
||||
@ -1222,6 +1253,12 @@ static int tv_freq( bktr_ptr_t bktr, int frequency );
|
||||
static int do_afc( bktr_ptr_t bktr, int addr, int frequency );
|
||||
#endif /* TUNER_AFC */
|
||||
|
||||
/*
|
||||
* vbi specific functions.
|
||||
*/
|
||||
static int vbi_open( bktr_ptr_t bktr );
|
||||
static int vbi_close( bktr_ptr_t bktr );
|
||||
static int vbi_read( bktr_ptr_t bktr, dev_t dev, struct uio *uio );
|
||||
|
||||
/*
|
||||
* audio specific functions.
|
||||
@ -1428,6 +1465,15 @@ bktr_attach( ATTACH_ARGS )
|
||||
bt848->gpio_dma_ctl = FIFO_RISC_DISABLED;
|
||||
}
|
||||
|
||||
bktr->vbidata = get_bktr_mem(unit, VBI_DATA_SIZE);
|
||||
|
||||
bktr->vbibuffer = get_bktr_mem(unit, VBI_BUFFER_SIZE);
|
||||
|
||||
bktr->vbiinsert = 0;
|
||||
bktr->vbistart = 0;
|
||||
bktr->vbisize = 0;
|
||||
bktr->vbiflags = 0;
|
||||
|
||||
/* read the pci id and determine the card type */
|
||||
fun = pci_conf_read(tag, PCI_ID_REG);
|
||||
rev = pci_conf_read(tag, PCIR_REVID) & 0x000000ff;
|
||||
@ -1480,6 +1526,34 @@ bktr_attach( ATTACH_ARGS )
|
||||
|
||||
}
|
||||
|
||||
/* Copy the vbi lines from 'vbidata' into the circular buffer, 'vbibuffer'.
|
||||
* The circular buffer holds 'n' fixed size data blocks.
|
||||
* vbisize is the number of bytes in the circular buffer
|
||||
* vbiread is the point we reading data out of the circular buffer
|
||||
* vbiinsert is the point we insert data into the circular buffer
|
||||
*/
|
||||
static void vbidecode(bktr_ptr_t bktr) {
|
||||
unsigned char *dest;
|
||||
|
||||
/* Check if there is room in the buffer to insert the data. */
|
||||
if (bktr->vbisize + VBI_DATA_SIZE > VBI_BUFFER_SIZE) return;
|
||||
|
||||
/* Copy the VBI data into the next free slot in the buffer. */
|
||||
/* 'dest' is the point in vbibuffer where we want to insert new data */
|
||||
dest = (unsigned char *)bktr->vbibuffer + bktr->vbiinsert;
|
||||
|
||||
/* block copy the vbi data into the buffer */
|
||||
memcpy(dest, (unsigned char*)bktr->vbidata, VBI_DATA_SIZE);
|
||||
|
||||
/* Increment the vbiinsert pointer */
|
||||
/* This can wrap around */
|
||||
bktr->vbiinsert += VBI_DATA_SIZE;
|
||||
bktr->vbiinsert = (bktr->vbiinsert % VBI_BUFFER_SIZE);
|
||||
|
||||
/* And increase the amount of vbi data in the buffer */
|
||||
bktr->vbisize = bktr->vbisize + VBI_DATA_SIZE;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* interrupt handling routine complete bktr_read() if using interrupts.
|
||||
@ -1529,6 +1603,8 @@ bktr_intr( void *arg )
|
||||
/* printf( " STATUS %x %x %x \n",
|
||||
dstatus, bktr_status, bt848->risc_count );
|
||||
*/
|
||||
|
||||
|
||||
/* if risc was disabled re-start process again */
|
||||
if ( !(bktr_status & BT848_INT_RISC_EN) ||
|
||||
((bktr_status &(BT848_INT_FBUS |
|
||||
@ -1576,16 +1652,18 @@ bktr_intr( void *arg )
|
||||
BT848_INT_FMTCHG;
|
||||
|
||||
bt848->cap_ctl = bktr->bktr_cap_ctl;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
/* If this is not a RISC program interrupt, return */
|
||||
if (!(bktr_status & BT848_INT_RISCI))
|
||||
return;
|
||||
|
||||
/**
|
||||
printf( "intr status %x %x %x\n",
|
||||
bktr_status, dstatus, bt848->risc_count );
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* Disable future interrupts if a capture mode is not selected.
|
||||
@ -1664,6 +1742,14 @@ bktr_intr( void *arg )
|
||||
microtime(ts);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Process the VBI data if it is being captured
|
||||
*/
|
||||
if (bktr->vbiflags & VBI_CAPTURE) {
|
||||
vbidecode(bktr);
|
||||
wakeup(VBI_SLEEP);
|
||||
}
|
||||
|
||||
/*
|
||||
* Wake up the user in single capture mode.
|
||||
@ -1675,7 +1761,7 @@ bktr_intr( void *arg )
|
||||
|
||||
/* disable risc, leave fifo running */
|
||||
bt848->gpio_dma_ctl = FIFO_ENABLED;
|
||||
wakeup((caddr_t)bktr);
|
||||
wakeup(BKTR_SLEEP);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -1730,6 +1816,7 @@ bktr_intr( void *arg )
|
||||
|
||||
#define VIDEO_DEV 0x00
|
||||
#define TUNER_DEV 0x01
|
||||
#define VBI_DEV 0x02
|
||||
|
||||
/*
|
||||
*
|
||||
@ -1785,6 +1872,9 @@ bktr_open( dev_t dev, int flags, int fmt, struct proc *p )
|
||||
|
||||
case TUNER_DEV:
|
||||
return( tuner_open( bktr ) );
|
||||
|
||||
case VBI_DEV:
|
||||
return( vbi_open( bktr ) );
|
||||
}
|
||||
|
||||
return( ENXIO );
|
||||
@ -1904,6 +1994,24 @@ video_open( bktr_ptr_t bktr )
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
static int
|
||||
vbi_open( bktr_ptr_t bktr )
|
||||
{
|
||||
if (bktr->vbiflags & VBI_OPEN) /* device is busy */
|
||||
return( EBUSY );
|
||||
|
||||
bktr->vbiflags |= VBI_OPEN;
|
||||
|
||||
/* reset the VBI circular buffer pointers and clear the buffers */
|
||||
bktr->vbiinsert = 0;
|
||||
bktr->vbistart = 0;
|
||||
bktr->vbisize = 0;
|
||||
|
||||
bzero((caddr_t) bktr->vbibuffer, VBI_BUFFER_SIZE);
|
||||
bzero((caddr_t) bktr->vbidata, VBI_DATA_SIZE);
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
/*
|
||||
*
|
||||
@ -1959,6 +2067,10 @@ bktr_close( dev_t dev, int flags, int fmt, struct proc *p )
|
||||
|
||||
case TUNER_DEV:
|
||||
return( tuner_close( bktr ) );
|
||||
|
||||
case VBI_DEV:
|
||||
return( vbi_close( bktr ) );
|
||||
|
||||
}
|
||||
|
||||
return( ENXIO );
|
||||
@ -2012,6 +2124,14 @@ tuner_close( bktr_ptr_t bktr )
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
static int
|
||||
vbi_close( bktr_ptr_t bktr )
|
||||
{
|
||||
|
||||
bktr->vbiflags &= ~VBI_OPEN;
|
||||
|
||||
return( 0 );
|
||||
}
|
||||
|
||||
/*
|
||||
*
|
||||
@ -2020,19 +2140,39 @@ int
|
||||
bktr_read( dev_t dev, struct uio *uio, int ioflag )
|
||||
{
|
||||
bktr_ptr_t bktr;
|
||||
bt848_ptr_t bt848;
|
||||
int unit;
|
||||
int status;
|
||||
int count;
|
||||
|
||||
if (MINOR(minor(dev)) > 0)
|
||||
return( ENXIO );
|
||||
|
||||
unit = UNIT(minor(dev));
|
||||
if (unit >= NBKTR) /* unit out of range */
|
||||
return( ENXIO );
|
||||
|
||||
bktr = &(brooktree[unit]);
|
||||
|
||||
switch ( MINOR( minor(dev) ) ) {
|
||||
case VIDEO_DEV:
|
||||
return( video_read( bktr, dev, uio ) );
|
||||
|
||||
case VBI_DEV:
|
||||
return( vbi_read( bktr, dev, uio ) );
|
||||
}
|
||||
|
||||
return( ENXIO );
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
*
|
||||
*/
|
||||
static int
|
||||
video_read(bktr_ptr_t bktr, dev_t dev, struct uio *uio)
|
||||
{
|
||||
bt848_ptr_t bt848;
|
||||
int unit;
|
||||
int status;
|
||||
int count;
|
||||
|
||||
unit = UNIT(minor(dev));
|
||||
|
||||
bt848 = bktr->base;
|
||||
|
||||
if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */
|
||||
@ -2064,7 +2204,7 @@ bktr_read( dev_t dev, struct uio *uio, int ioflag )
|
||||
BT848_INT_FMTCHG;
|
||||
|
||||
|
||||
status = tsleep((caddr_t)bktr, BKTRPRI, "captur", 0);
|
||||
status = tsleep(BKTR_SLEEP, BKTRPRI, "captur", 0);
|
||||
if (!status) /* successful capture */
|
||||
status = uiomove((caddr_t)bktr->bigbuf, count, uio);
|
||||
else
|
||||
@ -2075,6 +2215,49 @@ bktr_read( dev_t dev, struct uio *uio, int ioflag )
|
||||
return( status );
|
||||
}
|
||||
|
||||
/*
|
||||
* Read VBI data from the vbi circular buffer
|
||||
* The buffer holds vbi data blocks which are the same size
|
||||
* vbiinsert is the position we will insert the next item into the buffer
|
||||
* vbistart is the actual position in the buffer we want to read from
|
||||
* vbisize is the exact number of bytes in the buffer left to read
|
||||
*/
|
||||
static int
|
||||
vbi_read(bktr_ptr_t bktr, dev_t dev, struct uio *uio)
|
||||
{
|
||||
int readsize, readsize2;
|
||||
int status;
|
||||
|
||||
if(bktr->vbisize == 0)
|
||||
status = tsleep(VBI_SLEEP, BKTRPRI, "vbi", 0);
|
||||
|
||||
readsize = (int)uio->uio_iov->iov_len;
|
||||
|
||||
/* We cannot read more bytes than there are in the circular buffer */
|
||||
if (readsize > bktr->vbisize) readsize = bktr->vbisize;
|
||||
|
||||
/* Check if we can read this number of bytes without having to wrap around the circular buffer */
|
||||
if((bktr->vbistart + readsize) >= VBI_BUFFER_SIZE) {
|
||||
/* We need to wrap around */
|
||||
|
||||
readsize2 = VBI_BUFFER_SIZE - bktr->vbistart;
|
||||
status = uiomove((caddr_t)bktr->vbibuffer + bktr->vbistart, readsize2, uio);
|
||||
status += uiomove((caddr_t)bktr->vbibuffer, (readsize - readsize2), uio);
|
||||
} else {
|
||||
/* We do not need to wrap around */
|
||||
status = uiomove((caddr_t)bktr->vbibuffer + bktr->vbistart, readsize, uio);
|
||||
}
|
||||
|
||||
/* Update the number of bytes left to read */
|
||||
bktr->vbisize -= readsize;
|
||||
|
||||
/* Update vbistart */
|
||||
bktr->vbistart += readsize;
|
||||
bktr->vbistart = bktr->vbistart % VBI_BUFFER_SIZE; /* wrap around if needed */
|
||||
|
||||
return( status );
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
*
|
||||
@ -2110,6 +2293,7 @@ bktr_ioctl( dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct proc* pr )
|
||||
|
||||
case TUNER_DEV:
|
||||
return( tuner_ioctl( bktr, unit, cmd, arg, pr ) );
|
||||
|
||||
}
|
||||
|
||||
return( ENXIO );
|
||||
@ -2440,7 +2624,7 @@ video_ioctl( bktr_ptr_t bktr, int unit, int cmd, caddr_t arg, struct proc* pr )
|
||||
BT848_INT_FMTCHG;
|
||||
|
||||
bt848->cap_ctl = bktr->bktr_cap_ctl;
|
||||
error = tsleep((caddr_t)bktr, BKTRPRI, "captur", hz);
|
||||
error = tsleep(BKTR_SLEEP, BKTRPRI, "captur", hz);
|
||||
if (error && (error != ERESTART)) {
|
||||
/* Here if we didn't get complete frame */
|
||||
#ifdef DIAGNOSTIC
|
||||
@ -2535,6 +2719,7 @@ video_ioctl( bktr_ptr_t bktr, int unit, int cmd, caddr_t arg, struct proc* pr )
|
||||
unit, geo->columns);
|
||||
error = EINVAL;
|
||||
}
|
||||
|
||||
if (geo->rows <= 0) {
|
||||
printf(
|
||||
"bktr%d: ioctl: %d: rows must be greater than zero.\n",
|
||||
@ -2549,6 +2734,7 @@ video_ioctl( bktr_ptr_t bktr, int unit, int cmd, caddr_t arg, struct proc* pr )
|
||||
unit, geo->rows);
|
||||
error = EINVAL;
|
||||
}
|
||||
|
||||
if (geo->frames > 32) {
|
||||
printf("bktr%d: ioctl: too many frames.\n", unit);
|
||||
|
||||
@ -3325,8 +3511,8 @@ dump_bt848( bt848_ptr_t bt848 )
|
||||
*/
|
||||
#define BKTR_FM1 0x6 /* packed data to follow */
|
||||
#define BKTR_FM3 0xe /* planar data to follow */
|
||||
#define BKTR_VRE 0x4 /* even field to follow */
|
||||
#define BKTR_VRO 0xC /* odd field to follow */
|
||||
#define BKTR_VRE 0x4 /* Marks the end of the even field */
|
||||
#define BKTR_VRO 0xC /* Marks the end of the odd field */
|
||||
#define BKTR_PXV 0x0 /* valid word (never used) */
|
||||
#define BKTR_EOL 0x1 /* last dword, 4 bytes */
|
||||
#define BKTR_SOL 0x2 /* first dword */
|
||||
@ -3341,6 +3527,8 @@ dump_bt848( bt848_ptr_t bt848 )
|
||||
#define OP_SOL (1 << 27) /* first instr for scanline */
|
||||
#define OP_EOL (1 << 26)
|
||||
|
||||
#define BKTR_RESYNC (1 << 15)
|
||||
#define BKTR_GEN_IRQ (1 << 24)
|
||||
bool_t notclipped (bktr_reg_t * bktr, int x, int width) {
|
||||
int i;
|
||||
bktr_clip_t * clip_node;
|
||||
@ -3550,9 +3738,8 @@ rgb_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
|
||||
|
||||
buffer = target_buffer;
|
||||
|
||||
|
||||
/* contruct sync : for video packet format */
|
||||
*dma_prog++ = OP_SYNC | 1 << 15 | BKTR_FM1;
|
||||
*dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
|
||||
|
||||
/* sync, mode indicator packed data */
|
||||
*dma_prog++ = 0; /* NULL WORD */
|
||||
@ -3588,7 +3775,7 @@ rgb_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
|
||||
switch (i_flag) {
|
||||
case 1:
|
||||
/* sync vre */
|
||||
*dma_prog++ = OP_SYNC | 1 << 24 | BKTR_VRO;
|
||||
*dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_VRO;
|
||||
*dma_prog++ = 0; /* NULL WORD */
|
||||
|
||||
*dma_prog++ = OP_JUMP;
|
||||
@ -3597,7 +3784,7 @@ rgb_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
|
||||
|
||||
case 2:
|
||||
/* sync vro */
|
||||
*dma_prog++ = OP_SYNC | 1 << 24 | BKTR_VRE;
|
||||
*dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_VRE;
|
||||
*dma_prog++ = 0; /* NULL WORD */
|
||||
|
||||
*dma_prog++ = OP_JUMP;
|
||||
@ -3606,7 +3793,7 @@ rgb_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
|
||||
|
||||
case 3:
|
||||
/* sync vro */
|
||||
*dma_prog++ = OP_SYNC | 1 << 24 | 1 << 15 | BKTR_VRO;
|
||||
*dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRO;
|
||||
*dma_prog++ = 0; /* NULL WORD */
|
||||
*dma_prog++ = OP_JUMP; ;
|
||||
*dma_prog = (u_long ) vtophys(bktr->odd_dma_prog);
|
||||
@ -3619,9 +3806,8 @@ rgb_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
|
||||
|
||||
dma_prog = (u_long *) bktr->odd_dma_prog;
|
||||
|
||||
|
||||
/* sync vre IRQ bit */
|
||||
*dma_prog++ = OP_SYNC | 1 << 15 | BKTR_FM1;
|
||||
*dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
|
||||
*dma_prog++ = 0; /* NULL WORD */
|
||||
width = cols;
|
||||
for (i = 0; i < (rows/interlace); i++) {
|
||||
@ -3654,7 +3840,7 @@ rgb_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
|
||||
}
|
||||
|
||||
/* sync vre IRQ bit */
|
||||
*dma_prog++ = OP_SYNC | 1 << 24 | 1 << 15 | BKTR_VRE;
|
||||
*dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRE;
|
||||
*dma_prog++ = 0; /* NULL WORD */
|
||||
*dma_prog++ = OP_JUMP ;
|
||||
*dma_prog++ = (u_long ) vtophys(bktr->dma_prog) ;
|
||||
@ -4172,6 +4358,8 @@ build_dma_prog( bktr_ptr_t bktr, char i_flag )
|
||||
rows = bktr->rows;
|
||||
cols = bktr->cols;
|
||||
|
||||
bktr->vbiflags &= ~VBI_CAPTURE; /* default - no vbi capture */
|
||||
|
||||
if ( pf_int->public.type == METEOR_PIXTYPE_RGB ) {
|
||||
rgb_prog(bktr, i_flag, cols, rows, interlace);
|
||||
return;
|
||||
@ -5992,7 +6180,7 @@ do_afc( bktr_ptr_t bktr, int addr, int frequency )
|
||||
origFrequency = frequency;
|
||||
|
||||
/* wait for first setting to take effect */
|
||||
tsleep( (caddr_t)bktr, PZERO, "tuning", hz/8 );
|
||||
tsleep( BKTR_SLEEP, PZERO, "tuning", hz/8 );
|
||||
|
||||
if ( (status = i2cRead( bktr, addr + 1 )) < 0 )
|
||||
return( -1 );
|
||||
@ -6206,7 +6394,7 @@ temp_mute( bktr_ptr_t bktr, int flag )
|
||||
set_audio( bktr, AUDIO_MUTE ); /* prevent 'click' */
|
||||
}
|
||||
else {
|
||||
tsleep( (caddr_t)bktr, PZERO, "tuning", hz/8 );
|
||||
tsleep( BKTR_SLEEP, PZERO, "tuning", hz/8 );
|
||||
if ( muteState == FALSE )
|
||||
set_audio( bktr, AUDIO_UNMUTE );
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user