Added rgb_vbi_prog() to capture VBI data and video at the
same time. To capture VBI data, /dev/vbi must be opened before starting video capture. A partly on code from Hiroki Mori <mori@infocity.co.jp>
This commit is contained in:
Roger Hardiman
parent
3da2229c1c
commit
ab27fe4452
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@ -1,4 +1,4 @@
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/* $Id: brooktree848.c,v 1.78 1999/05/19 22:04:21 roger Exp $ */
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/* $Id: brooktree848.c,v 1.79 1999/05/22 04:34:59 bde 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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@ -396,6 +396,11 @@ They are unrelated to Revision Control numbering of FreeBSD or any other system.
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1.66 19 May 1999 Ivan Brawley <brawley@internode.com.au> added better
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Australian channel frequencies.
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1.67 23 May 1999 Roger Hardiman <roger@freebsd.org>
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Added rgb_vbi_prog() to capture VBI data and video at the
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same time. To capture VBI data, /dev/vbi must be opened
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before starting video capture.
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*/
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#define DDB(x) x
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@ -1293,6 +1298,8 @@ static void yuv12_prog( bktr_ptr_t bktr, char i_flag, int cols,
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int rows, int interlace );
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static void rgb_prog( bktr_ptr_t bktr, char i_flag, int cols,
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int rows, int interlace );
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static void rgb_vbi_prog( bktr_ptr_t bktr, char i_flag, int cols,
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int rows, int interlace );
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static void build_dma_prog( bktr_ptr_t bktr, char i_flag );
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static bool_t getline(bktr_reg_t *, int);
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@ -3606,6 +3613,26 @@ dump_bt848( bt848_ptr_t bt848 )
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#define BKTR_RESYNC (1 << 15)
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#define BKTR_GEN_IRQ (1 << 24)
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/*
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* The RISC status bits can be set/cleared in the RISC programs
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* and tested in the Interrupt Handler
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*/
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#define BKTR_SET_RISC_STATUS_BIT0 (1 << 16)
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#define BKTR_SET_RISC_STATUS_BIT1 (1 << 17)
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#define BKTR_SET_RISC_STATUS_BIT2 (1 << 18)
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#define BKTR_SET_RISC_STATUS_BIT3 (1 << 19)
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#define BKTR_CLEAR_RISC_STATUS_BIT0 (1 << 20)
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#define BKTR_CLEAR_RISC_STATUS_BIT1 (1 << 21)
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#define BKTR_CLEAR_RISC_STATUS_BIT2 (1 << 22)
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#define BKTR_CLEAR_RISC_STATUS_BIT3 (1 << 23)
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#define BKTR_TEST_RISC_STATUS_BIT0 (1 << 28)
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#define BKTR_TEST_RISC_STATUS_BIT1 (1 << 29)
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#define BKTR_TEST_RISC_STATUS_BIT2 (1 << 30)
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#define BKTR_TEST_RISC_STATUS_BIT3 (1 << 31)
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bool_t notclipped (bktr_reg_t * bktr, int x, int width) {
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int i;
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bktr_clip_t * clip_node;
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@ -3760,6 +3787,214 @@ static bool_t split(bktr_reg_t * bktr, volatile u_long **dma_prog, int width ,
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}
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/*
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* Generate the RISC instructions to capture both VBI and video images
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*/
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static void
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rgb_vbi_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
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{
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int i;
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bt848_ptr_t bt848;
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volatile u_long target_buffer, buffer, target,width;
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volatile u_long pitch;
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volatile u_long *dma_prog;
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struct meteor_pixfmt_internal *pf_int = &pixfmt_table[ bktr->pixfmt ];
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u_int Bpp = pf_int->public.Bpp;
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unsigned int vbisamples; /* VBI samples per line */
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unsigned int vbilines; /* VBI lines per field */
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unsigned int num_dwords; /* DWORDS per line */
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vbisamples = format_params[bktr->format_params].vbi_num_samples;
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vbilines = format_params[bktr->format_params].vbi_num_lines;
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num_dwords = vbisamples/4;
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bt848 = bktr->base;
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bt848->color_fmt = pf_int->color_fmt;
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bt848->adc = SYNC_LEVEL;
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bt848->vbi_pack_size = ((num_dwords)) & 0xff;
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bt848->vbi_pack_del = ((num_dwords)>> 8) & 0x01; /* no hdelay */
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/* no ext frame */
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bt848->oform = 0x00;
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bt848->e_vscale_hi |= 0x40; /* set chroma comb */
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bt848->o_vscale_hi |= 0x40;
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bt848->e_vscale_hi &= ~0x80; /* clear Ycomb */
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bt848->o_vscale_hi &= ~0x80;
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/* disable gamma correction removal */
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bt848->color_ctl_gamma = 1;
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if (cols > 385 ) {
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bt848->e_vtc = 0;
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bt848->o_vtc = 0;
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} else {
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bt848->e_vtc = 1;
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bt848->o_vtc = 1;
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}
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bktr->capcontrol = 3 << 2 | 3;
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dma_prog = (u_long *) bktr->dma_prog;
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/* Construct Write */
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if (bktr->video.addr) {
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target_buffer = (u_long) bktr->video.addr;
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pitch = bktr->video.width;
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}
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else {
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target_buffer = (u_long) vtophys(bktr->bigbuf);
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pitch = cols*Bpp;
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}
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buffer = target_buffer;
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/* store the VBI data */
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/* look for sync with packed data */
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*dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
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*dma_prog++ = 0;
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for(i = 0; i < vbilines; i++) {
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*dma_prog++ = OP_WRITE | OP_SOL | OP_EOL | vbisamples;
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*dma_prog++ = (u_long) vtophys(bktr->vbidata +
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(i * VBI_LINE_SIZE));
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}
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/* store the video image */
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/* look for sync with packed data */
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*dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
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*dma_prog++ = 0; /* NULL WORD */
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width = cols;
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for (i = 0; i < (rows/interlace); i++) {
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target = target_buffer;
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if ( notclipped(bktr, i, width)) {
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split(bktr, (volatile u_long **) &dma_prog,
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bktr->y2 - bktr->y, OP_WRITE,
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Bpp, (volatile u_char **) &target, cols);
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} else {
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while(getline(bktr, i)) {
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if (bktr->y != bktr->y2 ) {
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split(bktr, (volatile u_long **) &dma_prog,
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bktr->y2 - bktr->y, OP_WRITE,
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Bpp, (volatile u_char **) &target, cols);
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}
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if (bktr->yclip != bktr->yclip2 ) {
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split(bktr,(volatile u_long **) &dma_prog,
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bktr->yclip2 - bktr->yclip,
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OP_SKIP,
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Bpp, (volatile u_char **) &target, cols);
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}
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}
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}
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target_buffer += interlace * pitch;
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}
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switch (i_flag) {
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case 1:
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/* EVEN field grabs. Look for end of 'Even Field' Marker
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* We cannot look for VRO, because we have not enabled ODD
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* field capture
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*/
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*dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRE;
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*dma_prog++ = 0; /* NULL WORD */
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*dma_prog++ = OP_JUMP;
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*dma_prog++ = (u_long ) vtophys(bktr->dma_prog);
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return;
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case 2:
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/* ODD field grabs. Look for end of 'Odd Field' Marker
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* We cannot look for VRE, because we have not enabled EVEN
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* field capture
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*/
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*dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRO;
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*dma_prog++ = 0; /* NULL WORD */
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*dma_prog++ = OP_JUMP;
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*dma_prog++ = (u_long ) vtophys(bktr->dma_prog);
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return;
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case 3:
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/* INTERLACED grabs (ODD then EVEN). We have read the old field
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* so look for the end of 'Odd Field' Marker.
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* Then jump to the 'odd_dma_prog' which actually captures
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* the EVEN field!
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*/
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*dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRO;
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*dma_prog++ = 0; /* NULL WORD */
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*dma_prog++ = OP_JUMP;
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*dma_prog = (u_long ) vtophys(bktr->odd_dma_prog);
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break;
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}
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if (interlace == 2) {
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target_buffer = buffer + pitch;
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dma_prog = (u_long *) bktr->odd_dma_prog;
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/* store the VBI data */
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/* look for sync with packed data */
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*dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
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*dma_prog++ = 0;
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for(i = 0; i < vbilines; i++) {
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*dma_prog++ = OP_WRITE | OP_SOL | OP_EOL | vbisamples;
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*dma_prog++ = (u_long) vtophys(bktr->vbidata +
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((i+MAX_VBI_LINES) * VBI_LINE_SIZE));
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}
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/* store the video image */
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/* look for sync with packed data */
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*dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
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*dma_prog++ = 0; /* NULL WORD */
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width = cols;
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for (i = 0; i < (rows/interlace); i++) {
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target = target_buffer;
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if ( notclipped(bktr, i, width)) {
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split(bktr, (volatile u_long **) &dma_prog,
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bktr->y2 - bktr->y, OP_WRITE,
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Bpp, (volatile u_char **) &target, cols);
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} else {
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while(getline(bktr, i)) {
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if (bktr->y != bktr->y2 ) {
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split(bktr, (volatile u_long **) &dma_prog,
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bktr->y2 - bktr->y, OP_WRITE,
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Bpp, (volatile u_char **) &target,
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cols);
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}
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if (bktr->yclip != bktr->yclip2 ) {
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split(bktr, (volatile u_long **) &dma_prog,
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bktr->yclip2 - bktr->yclip, OP_SKIP,
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Bpp, (volatile u_char **) &target, cols);
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}
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}
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}
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target_buffer += interlace * pitch;
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}
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}
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/* Look for end of 'Even Field' */
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*dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRE;
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*dma_prog++ = 0; /* NULL WORD */
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*dma_prog++ = OP_JUMP ;
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*dma_prog++ = (u_long ) vtophys(bktr->dma_prog) ;
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*dma_prog++ = 0; /* NULL WORD */
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}
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static void
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@ -4437,6 +4672,18 @@ build_dma_prog( bktr_ptr_t bktr, char i_flag )
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bktr->vbiflags &= ~VBI_CAPTURE; /* default - no vbi capture */
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/* If /dev/vbi is already open, then use the rgb_vbi RISC program */
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if ( (pf_int->public.type == METEOR_PIXTYPE_RGB)
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&&(bktr->vbiflags & VBI_OPEN) ) {
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if (i_flag==1) bktr->bktr_cap_ctl |= BT848_CAP_CTL_VBI_EVEN;
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if (i_flag==2) bktr->bktr_cap_ctl |= BT848_CAP_CTL_VBI_ODD;
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if (i_flag==3) bktr->bktr_cap_ctl |=
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BT848_CAP_CTL_VBI_EVEN | BT848_CAP_CTL_VBI_ODD;
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bktr->vbiflags |= VBI_CAPTURE;
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rgb_vbi_prog(bktr, i_flag, cols, rows, interlace);
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return;
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}
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if ( pf_int->public.type == METEOR_PIXTYPE_RGB ) {
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rgb_prog(bktr, i_flag, cols, rows, interlace);
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return;
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@ -1,4 +1,4 @@
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/* $Id: brooktree848.c,v 1.78 1999/05/19 22:04:21 roger Exp $ */
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/* $Id: brooktree848.c,v 1.79 1999/05/22 04:34:59 bde 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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@ -396,6 +396,11 @@ They are unrelated to Revision Control numbering of FreeBSD or any other system.
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1.66 19 May 1999 Ivan Brawley <brawley@internode.com.au> added better
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Australian channel frequencies.
|
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1.67 23 May 1999 Roger Hardiman <roger@freebsd.org>
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Added rgb_vbi_prog() to capture VBI data and video at the
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same time. To capture VBI data, /dev/vbi must be opened
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before starting video capture.
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*/
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#define DDB(x) x
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@ -1293,6 +1298,8 @@ static void yuv12_prog( bktr_ptr_t bktr, char i_flag, int cols,
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int rows, int interlace );
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static void rgb_prog( bktr_ptr_t bktr, char i_flag, int cols,
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int rows, int interlace );
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static void rgb_vbi_prog( bktr_ptr_t bktr, char i_flag, int cols,
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int rows, int interlace );
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static void build_dma_prog( bktr_ptr_t bktr, char i_flag );
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static bool_t getline(bktr_reg_t *, int);
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@ -3606,6 +3613,26 @@ dump_bt848( bt848_ptr_t bt848 )
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#define BKTR_RESYNC (1 << 15)
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#define BKTR_GEN_IRQ (1 << 24)
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/*
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* The RISC status bits can be set/cleared in the RISC programs
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* and tested in the Interrupt Handler
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*/
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#define BKTR_SET_RISC_STATUS_BIT0 (1 << 16)
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#define BKTR_SET_RISC_STATUS_BIT1 (1 << 17)
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#define BKTR_SET_RISC_STATUS_BIT2 (1 << 18)
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#define BKTR_SET_RISC_STATUS_BIT3 (1 << 19)
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#define BKTR_CLEAR_RISC_STATUS_BIT0 (1 << 20)
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#define BKTR_CLEAR_RISC_STATUS_BIT1 (1 << 21)
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#define BKTR_CLEAR_RISC_STATUS_BIT2 (1 << 22)
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#define BKTR_CLEAR_RISC_STATUS_BIT3 (1 << 23)
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#define BKTR_TEST_RISC_STATUS_BIT0 (1 << 28)
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#define BKTR_TEST_RISC_STATUS_BIT1 (1 << 29)
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#define BKTR_TEST_RISC_STATUS_BIT2 (1 << 30)
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#define BKTR_TEST_RISC_STATUS_BIT3 (1 << 31)
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bool_t notclipped (bktr_reg_t * bktr, int x, int width) {
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int i;
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bktr_clip_t * clip_node;
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@ -3760,6 +3787,214 @@ static bool_t split(bktr_reg_t * bktr, volatile u_long **dma_prog, int width ,
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}
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/*
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* Generate the RISC instructions to capture both VBI and video images
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*/
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static void
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rgb_vbi_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
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{
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int i;
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bt848_ptr_t bt848;
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volatile u_long target_buffer, buffer, target,width;
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volatile u_long pitch;
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volatile u_long *dma_prog;
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struct meteor_pixfmt_internal *pf_int = &pixfmt_table[ bktr->pixfmt ];
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u_int Bpp = pf_int->public.Bpp;
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unsigned int vbisamples; /* VBI samples per line */
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unsigned int vbilines; /* VBI lines per field */
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unsigned int num_dwords; /* DWORDS per line */
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vbisamples = format_params[bktr->format_params].vbi_num_samples;
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vbilines = format_params[bktr->format_params].vbi_num_lines;
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num_dwords = vbisamples/4;
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bt848 = bktr->base;
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bt848->color_fmt = pf_int->color_fmt;
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bt848->adc = SYNC_LEVEL;
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bt848->vbi_pack_size = ((num_dwords)) & 0xff;
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bt848->vbi_pack_del = ((num_dwords)>> 8) & 0x01; /* no hdelay */
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/* no ext frame */
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bt848->oform = 0x00;
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bt848->e_vscale_hi |= 0x40; /* set chroma comb */
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bt848->o_vscale_hi |= 0x40;
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bt848->e_vscale_hi &= ~0x80; /* clear Ycomb */
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bt848->o_vscale_hi &= ~0x80;
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/* disable gamma correction removal */
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bt848->color_ctl_gamma = 1;
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if (cols > 385 ) {
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bt848->e_vtc = 0;
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bt848->o_vtc = 0;
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} else {
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bt848->e_vtc = 1;
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bt848->o_vtc = 1;
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}
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bktr->capcontrol = 3 << 2 | 3;
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dma_prog = (u_long *) bktr->dma_prog;
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/* Construct Write */
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if (bktr->video.addr) {
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target_buffer = (u_long) bktr->video.addr;
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pitch = bktr->video.width;
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}
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else {
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target_buffer = (u_long) vtophys(bktr->bigbuf);
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pitch = cols*Bpp;
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||||
}
|
||||
|
||||
buffer = target_buffer;
|
||||
|
||||
|
||||
/* store the VBI data */
|
||||
/* look for sync with packed data */
|
||||
*dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
|
||||
*dma_prog++ = 0;
|
||||
for(i = 0; i < vbilines; i++) {
|
||||
*dma_prog++ = OP_WRITE | OP_SOL | OP_EOL | vbisamples;
|
||||
*dma_prog++ = (u_long) vtophys(bktr->vbidata +
|
||||
(i * VBI_LINE_SIZE));
|
||||
}
|
||||
|
||||
/* store the video image */
|
||||
/* look for sync with packed data */
|
||||
*dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
|
||||
*dma_prog++ = 0; /* NULL WORD */
|
||||
width = cols;
|
||||
for (i = 0; i < (rows/interlace); i++) {
|
||||
target = target_buffer;
|
||||
if ( notclipped(bktr, i, width)) {
|
||||
split(bktr, (volatile u_long **) &dma_prog,
|
||||
bktr->y2 - bktr->y, OP_WRITE,
|
||||
Bpp, (volatile u_char **) &target, cols);
|
||||
|
||||
} else {
|
||||
while(getline(bktr, i)) {
|
||||
if (bktr->y != bktr->y2 ) {
|
||||
split(bktr, (volatile u_long **) &dma_prog,
|
||||
bktr->y2 - bktr->y, OP_WRITE,
|
||||
Bpp, (volatile u_char **) &target, cols);
|
||||
}
|
||||
if (bktr->yclip != bktr->yclip2 ) {
|
||||
split(bktr,(volatile u_long **) &dma_prog,
|
||||
bktr->yclip2 - bktr->yclip,
|
||||
OP_SKIP,
|
||||
Bpp, (volatile u_char **) &target, cols);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
target_buffer += interlace * pitch;
|
||||
|
||||
}
|
||||
|
||||
switch (i_flag) {
|
||||
case 1:
|
||||
/* EVEN field grabs. Look for end of 'Even Field' Marker
|
||||
* We cannot look for VRO, because we have not enabled ODD
|
||||
* field capture
|
||||
*/
|
||||
*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);
|
||||
return;
|
||||
|
||||
case 2:
|
||||
/* ODD field grabs. Look for end of 'Odd Field' Marker
|
||||
* We cannot look for VRE, because we have not enabled EVEN
|
||||
* field capture
|
||||
*/
|
||||
*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->dma_prog);
|
||||
return;
|
||||
|
||||
case 3:
|
||||
/* INTERLACED grabs (ODD then EVEN). We have read the old field
|
||||
* so look for the end of 'Odd Field' Marker.
|
||||
* Then jump to the 'odd_dma_prog' which actually captures
|
||||
* the EVEN field!
|
||||
*/
|
||||
*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);
|
||||
break;
|
||||
}
|
||||
|
||||
if (interlace == 2) {
|
||||
|
||||
target_buffer = buffer + pitch;
|
||||
|
||||
dma_prog = (u_long *) bktr->odd_dma_prog;
|
||||
|
||||
/* store the VBI data */
|
||||
/* look for sync with packed data */
|
||||
*dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
|
||||
*dma_prog++ = 0;
|
||||
for(i = 0; i < vbilines; i++) {
|
||||
*dma_prog++ = OP_WRITE | OP_SOL | OP_EOL | vbisamples;
|
||||
*dma_prog++ = (u_long) vtophys(bktr->vbidata +
|
||||
((i+MAX_VBI_LINES) * VBI_LINE_SIZE));
|
||||
}
|
||||
|
||||
/* store the video image */
|
||||
/* look for sync with packed data */
|
||||
*dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
|
||||
*dma_prog++ = 0; /* NULL WORD */
|
||||
width = cols;
|
||||
for (i = 0; i < (rows/interlace); i++) {
|
||||
target = target_buffer;
|
||||
if ( notclipped(bktr, i, width)) {
|
||||
split(bktr, (volatile u_long **) &dma_prog,
|
||||
bktr->y2 - bktr->y, OP_WRITE,
|
||||
Bpp, (volatile u_char **) &target, cols);
|
||||
} else {
|
||||
while(getline(bktr, i)) {
|
||||
if (bktr->y != bktr->y2 ) {
|
||||
split(bktr, (volatile u_long **) &dma_prog,
|
||||
bktr->y2 - bktr->y, OP_WRITE,
|
||||
Bpp, (volatile u_char **) &target,
|
||||
cols);
|
||||
}
|
||||
if (bktr->yclip != bktr->yclip2 ) {
|
||||
split(bktr, (volatile u_long **) &dma_prog,
|
||||
bktr->yclip2 - bktr->yclip, OP_SKIP,
|
||||
Bpp, (volatile u_char **) &target, cols);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
target_buffer += interlace * pitch;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
/* Look for end of 'Even Field' */
|
||||
*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) ;
|
||||
*dma_prog++ = 0; /* NULL WORD */
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
static void
|
||||
|
|
@ -4437,6 +4672,18 @@ build_dma_prog( bktr_ptr_t bktr, char i_flag )
|
|||
|
||||
bktr->vbiflags &= ~VBI_CAPTURE; /* default - no vbi capture */
|
||||
|
||||
/* If /dev/vbi is already open, then use the rgb_vbi RISC program */
|
||||
if ( (pf_int->public.type == METEOR_PIXTYPE_RGB)
|
||||
&&(bktr->vbiflags & VBI_OPEN) ) {
|
||||
if (i_flag==1) bktr->bktr_cap_ctl |= BT848_CAP_CTL_VBI_EVEN;
|
||||
if (i_flag==2) bktr->bktr_cap_ctl |= BT848_CAP_CTL_VBI_ODD;
|
||||
if (i_flag==3) bktr->bktr_cap_ctl |=
|
||||
BT848_CAP_CTL_VBI_EVEN | BT848_CAP_CTL_VBI_ODD;
|
||||
bktr->vbiflags |= VBI_CAPTURE;
|
||||
rgb_vbi_prog(bktr, i_flag, cols, rows, interlace);
|
||||
return;
|
||||
}
|
||||
|
||||
if ( pf_int->public.type == METEOR_PIXTYPE_RGB ) {
|
||||
rgb_prog(bktr, i_flag, cols, rows, interlace);
|
||||
return;
|
||||
|
|
|
|||
Loading…
Reference in New Issue