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1) Add the IOCTL for Luigi's BT848 -> I2C bus driver.

Browse Source 
2) Fix temporal decimation, disable it when
   doing CAP_SINGLEs, and in dual-field capture, don't
   capture fields for different frames

Submitted by: Luigi Rizzo & Randall Hopper
This commit is contained in:
Mark Murray 1997-11-06 07:04:08 +00:00
parent 8274fc64c2
commit e995d630e4
2 changed files with 226 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

127
sys/dev/bktr/bktr_core.c
View File

@ -191,6 +191,10 @@
Submitted general ioctl to set video broadcast
formats (PAL, NTSC, etc..) previously we depended
on the Bt848 auto video detect feature.
1.21 10/24/97 Randall Hopper <rhh@ct.picker.com>
Fix temporal decimation, disable it when
doing CAP_SINGLEs, and in dual-field capture, don't
capture fields for different frames
*/
#define DDB(x) x
@ -282,6 +286,10 @@ static void bktr_intr __P((void *arg));
#endif
#define BROOKTREE_ALLOC (BROOKTREE_ALLOC_PAGES * PAGE_SIZE)
/* Defines for fields */
#define ODD_F 0x01
#define EVEN_F 0x02
#ifdef __FreeBSD__
static bktr_reg_t brooktree[ NBKTR ];
@ -602,6 +610,7 @@ static u_long status_sum = 0;
#define BIT_EIGHT_HIGH (1<<8)
#define I2C_BITS (BT848_INT_RACK | BT848_INT_I2CDONE)
#define TDEC_BITS (BT848_INT_FDSR | BT848_INT_FBUS)
/*
@ -855,6 +864,9 @@ bktr_intr( void *arg )
bt848_ptr_t bt848;
u_long bktr_status;
u_char dstatus;
u_long field;
u_long w_field;
u_long req_field;
bktr = (bktr_ptr_t) arg;
bt848 = bktr->base;
@ -892,21 +904,40 @@ bktr_intr( void *arg )
*/
/* if risc was disabled re-start process again */
if ( !(bktr_status & BT848_INT_RISC_EN) ||
((bktr_status & (BT848_INT_FBUS |
BT848_INT_FTRGT |
BT848_INT_FDSR |
((bktr_status & (BT848_INT_FTRGT |
BT848_INT_PPERR |
BT848_INT_RIPERR |
BT848_INT_PABORT |
BT848_INT_OCERR |
BT848_INT_SCERR)) != 0) ) {
BT848_INT_SCERR)) != 0) ||
((bt848->tdec == 0) && (bktr_status & TDEC_BITS)) ) {
u_short tdec_save = bt848->tdec;
bt848->gpio_dma_ctl = FIFO_RISC_DISABLED;
bt848->int_mask = ALL_INTS_DISABLED;
bt848->risc_strt_add = vtophys(bktr->dma_prog);
/* Reset temporal decimation ctr */
bt848->tdec = 0;
bt848->tdec = tdec_save;
/* Reset to no-fields captured state */
if (bktr->flags & (METEOR_CONTIN | METEOR_SYNCAP)) {
switch(bktr->flags & METEOR_ONLY_FIELDS_MASK) {
case METEOR_ONLY_ODD_FIELDS:
bktr->flags |= METEOR_WANT_ODD;
break;
case METEOR_ONLY_EVEN_FIELDS:
bktr->flags |= METEOR_WANT_EVEN;
break;
default:
bktr->flags |= METEOR_WANT_MASK;
break;
}
}
bt848->risc_strt_add = vtophys(bktr->dma_prog);
bt848->gpio_dma_ctl = FIFO_ENABLED;
bt848->gpio_dma_ctl = bktr->capcontrol;
@ -937,11 +968,51 @@ bktr_intr( void *arg )
/*
* Register the completed field
* (For dual-field mode, require fields from the same frame)
*/
if ( bktr_status & BT848_INT_FIELD )
field = ( bktr_status & BT848_INT_FIELD ) ? EVEN_F : ODD_F;
switch ( bktr->flags & METEOR_WANT_MASK ) {
case METEOR_WANT_ODD : w_field = ODD_F ; break;
case METEOR_WANT_EVEN : w_field = EVEN_F ; break;
default : w_field = (ODD_F|EVEN_F); break;
}
switch ( bktr->flags & METEOR_ONLY_FIELDS_MASK ) {
case METEOR_ONLY_ODD_FIELDS : req_field = ODD_F ; break;
case METEOR_ONLY_EVEN_FIELDS : req_field = EVEN_F ; break;
default : req_field = (ODD_F|EVEN_F);
break;
}
if (( field == EVEN_F ) && ( w_field == EVEN_F ))
bktr->flags &= ~METEOR_WANT_EVEN;
else
else if (( field == ODD_F ) && ( req_field == ODD_F ) &&
( w_field == ODD_F ))
bktr->flags &= ~METEOR_WANT_ODD;
else if (( field == ODD_F ) && ( req_field == (ODD_F|EVEN_F) ) &&
( w_field == (ODD_F|EVEN_F) ))
bktr->flags &= ~METEOR_WANT_ODD;
else if (( field == ODD_F ) && ( req_field == (ODD_F|EVEN_F) ) &&
( w_field == ODD_F )) {
bktr->flags &= ~METEOR_WANT_ODD;
bktr->flags |= METEOR_WANT_EVEN;
}
else {
/* We're out of sync. Start over. */
if (bktr->flags & (METEOR_CONTIN | METEOR_SYNCAP)) {
switch(bktr->flags & METEOR_ONLY_FIELDS_MASK) {
case METEOR_ONLY_ODD_FIELDS:
bktr->flags |= METEOR_WANT_ODD;
break;
case METEOR_ONLY_EVEN_FIELDS:
bktr->flags |= METEOR_WANT_EVEN;
break;
default:
bktr->flags |= METEOR_WANT_MASK;
break;
}
}
return;
}
/*
* If we have a complete frame.
@ -1353,11 +1424,11 @@ video_ioctl( bktr_ptr_t bktr, int unit, int cmd, caddr_t arg, struct proc* pr )
for (i = 0; i < BT848_MAX_CLIP_NODE; i++) {
if (bktr->clip_list[i].y_min == 0 &&
bktr->clip_list[i].y_max == 0) {
bktr->max_clip_node = i;
bktr->clip_list[i].y_max == 0)
break;
}
}
bktr->max_clip_node = i;
/* make sure that the list contains a valid clip secquence */
/* the clip rectangles should be sorted by x then by y as the
second order sort key */
@ -1880,6 +1951,21 @@ video_ioctl( bktr_ptr_t bktr, int unit, int cmd, caddr_t arg, struct proc* pr )
break;
/* end of METEORSETGEO */
case BT848_I2CWR:
u_long par = *(u_long *)arg;
u_char write = (par >> 24) & 0xff ;
int i2c_addr = (par >> 16) & 0xff ;
int i2c_port = (par >> 8) & 0xff ;
u_long data = (par) & 0xff ;
if (write) {
i2cWrite( bktr, i2c_addr, i2c_port, data);
} else {
data = i2cRead( bktr, i2c_addr);
}
*(u_long *)arg = (par & 0xffffff00) | ( data & 0xff );
break;
default:
return common_ioctl( bktr, bt848, cmd, arg );
}
@ -2960,6 +3046,9 @@ start_capture( bktr_ptr_t bktr, unsigned type )
{
bt848_ptr_t bt848;
u_char i_flag;
struct format_params *fp;
fp = &format_params[bktr->format_params];
bt848 = bktr->base;
@ -2967,6 +3056,7 @@ start_capture( bktr_ptr_t bktr, unsigned type )
bt848->int_stat = bt848->int_stat;
bktr->flags |= type;
bktr->flags &= ~METEOR_WANT_MASK;
switch(bktr->flags & METEOR_ONLY_FIELDS_MASK) {
case METEOR_ONLY_EVEN_FIELDS:
bktr->flags |= METEOR_WANT_EVEN;
@ -2982,7 +3072,16 @@ start_capture( bktr_ptr_t bktr, unsigned type )
break;
}
set_fps(bktr, bktr->fps);
/* TDEC is only valid for continuous captures */
if ( type == METEOR_SINGLE ) {
u_short fps_save = bktr->fps;
set_fps(bktr, fp->frame_rate);
bktr->fps = fps_save;
}
else
set_fps(bktr, bktr->fps);
if (bktr->dma_prog_loaded == FALSE) {
build_dma_prog(bktr, i_flag);
bktr->dma_prog_loaded = TRUE;
@ -3030,9 +3129,9 @@ set_fps( bktr_ptr_t bktr, u_short fps )
bt848->tdec = 0;
if (fps < fp->frame_rate)
bt848->tdec = i_flag*(fp->frame_rate - fps) & 0x3f;
else
bt848->tdec = 0;
bt848->tdec = i_flag*(fp->frame_rate - fps) & 0x3f;
else
bt848->tdec = 0;
return;
}

127
sys/pci/brooktree848.c
View File

@ -191,6 +191,10 @@
Submitted general ioctl to set video broadcast
formats (PAL, NTSC, etc..) previously we depended
on the Bt848 auto video detect feature.
1.21 10/24/97 Randall Hopper <rhh@ct.picker.com>
Fix temporal decimation, disable it when
doing CAP_SINGLEs, and in dual-field capture, don't
capture fields for different frames
*/
#define DDB(x) x
@ -282,6 +286,10 @@ static void bktr_intr __P((void *arg));
#endif
#define BROOKTREE_ALLOC (BROOKTREE_ALLOC_PAGES * PAGE_SIZE)
/* Defines for fields */
#define ODD_F 0x01
#define EVEN_F 0x02
#ifdef __FreeBSD__
static bktr_reg_t brooktree[ NBKTR ];
@ -602,6 +610,7 @@ static u_long status_sum = 0;
#define BIT_EIGHT_HIGH (1<<8)
#define I2C_BITS (BT848_INT_RACK | BT848_INT_I2CDONE)
#define TDEC_BITS (BT848_INT_FDSR | BT848_INT_FBUS)
/*
@ -855,6 +864,9 @@ bktr_intr( void *arg )
bt848_ptr_t bt848;
u_long bktr_status;
u_char dstatus;
u_long field;
u_long w_field;
u_long req_field;
bktr = (bktr_ptr_t) arg;
bt848 = bktr->base;
@ -892,21 +904,40 @@ bktr_intr( void *arg )
*/
/* if risc was disabled re-start process again */
if ( !(bktr_status & BT848_INT_RISC_EN) ||
((bktr_status & (BT848_INT_FBUS |
BT848_INT_FTRGT |
BT848_INT_FDSR |
((bktr_status & (BT848_INT_FTRGT |
BT848_INT_PPERR |
BT848_INT_RIPERR |
BT848_INT_PABORT |
BT848_INT_OCERR |
BT848_INT_SCERR)) != 0) ) {
BT848_INT_SCERR)) != 0) ||
((bt848->tdec == 0) && (bktr_status & TDEC_BITS)) ) {
u_short tdec_save = bt848->tdec;
bt848->gpio_dma_ctl = FIFO_RISC_DISABLED;
bt848->int_mask = ALL_INTS_DISABLED;
bt848->risc_strt_add = vtophys(bktr->dma_prog);
/* Reset temporal decimation ctr */
bt848->tdec = 0;
bt848->tdec = tdec_save;
/* Reset to no-fields captured state */
if (bktr->flags & (METEOR_CONTIN | METEOR_SYNCAP)) {
switch(bktr->flags & METEOR_ONLY_FIELDS_MASK) {
case METEOR_ONLY_ODD_FIELDS:
bktr->flags |= METEOR_WANT_ODD;
break;
case METEOR_ONLY_EVEN_FIELDS:
bktr->flags |= METEOR_WANT_EVEN;
break;
default:
bktr->flags |= METEOR_WANT_MASK;
break;
}
}
bt848->risc_strt_add = vtophys(bktr->dma_prog);
bt848->gpio_dma_ctl = FIFO_ENABLED;
bt848->gpio_dma_ctl = bktr->capcontrol;
@ -937,11 +968,51 @@ bktr_intr( void *arg )
/*
* Register the completed field
* (For dual-field mode, require fields from the same frame)
*/
if ( bktr_status & BT848_INT_FIELD )
field = ( bktr_status & BT848_INT_FIELD ) ? EVEN_F : ODD_F;
switch ( bktr->flags & METEOR_WANT_MASK ) {
case METEOR_WANT_ODD : w_field = ODD_F ; break;
case METEOR_WANT_EVEN : w_field = EVEN_F ; break;
default : w_field = (ODD_F|EVEN_F); break;
}
switch ( bktr->flags & METEOR_ONLY_FIELDS_MASK ) {
case METEOR_ONLY_ODD_FIELDS : req_field = ODD_F ; break;
case METEOR_ONLY_EVEN_FIELDS : req_field = EVEN_F ; break;
default : req_field = (ODD_F|EVEN_F);
break;
}
if (( field == EVEN_F ) && ( w_field == EVEN_F ))
bktr->flags &= ~METEOR_WANT_EVEN;
else
else if (( field == ODD_F ) && ( req_field == ODD_F ) &&
( w_field == ODD_F ))
bktr->flags &= ~METEOR_WANT_ODD;
else if (( field == ODD_F ) && ( req_field == (ODD_F|EVEN_F) ) &&
( w_field == (ODD_F|EVEN_F) ))
bktr->flags &= ~METEOR_WANT_ODD;
else if (( field == ODD_F ) && ( req_field == (ODD_F|EVEN_F) ) &&
( w_field == ODD_F )) {
bktr->flags &= ~METEOR_WANT_ODD;
bktr->flags |= METEOR_WANT_EVEN;
}
else {
/* We're out of sync. Start over. */
if (bktr->flags & (METEOR_CONTIN | METEOR_SYNCAP)) {
switch(bktr->flags & METEOR_ONLY_FIELDS_MASK) {
case METEOR_ONLY_ODD_FIELDS:
bktr->flags |= METEOR_WANT_ODD;
break;
case METEOR_ONLY_EVEN_FIELDS:
bktr->flags |= METEOR_WANT_EVEN;
break;
default:
bktr->flags |= METEOR_WANT_MASK;
break;
}
}
return;
}
/*
* If we have a complete frame.
@ -1353,11 +1424,11 @@ video_ioctl( bktr_ptr_t bktr, int unit, int cmd, caddr_t arg, struct proc* pr )
for (i = 0; i < BT848_MAX_CLIP_NODE; i++) {
if (bktr->clip_list[i].y_min == 0 &&
bktr->clip_list[i].y_max == 0) {
bktr->max_clip_node = i;
bktr->clip_list[i].y_max == 0)
break;
}
}
bktr->max_clip_node = i;
/* make sure that the list contains a valid clip secquence */
/* the clip rectangles should be sorted by x then by y as the
second order sort key */
@ -1880,6 +1951,21 @@ video_ioctl( bktr_ptr_t bktr, int unit, int cmd, caddr_t arg, struct proc* pr )
break;
/* end of METEORSETGEO */
case BT848_I2CWR:
u_long par = *(u_long *)arg;
u_char write = (par >> 24) & 0xff ;
int i2c_addr = (par >> 16) & 0xff ;
int i2c_port = (par >> 8) & 0xff ;
u_long data = (par) & 0xff ;
if (write) {
i2cWrite( bktr, i2c_addr, i2c_port, data);
} else {
data = i2cRead( bktr, i2c_addr);
}
*(u_long *)arg = (par & 0xffffff00) | ( data & 0xff );
break;
default:
return common_ioctl( bktr, bt848, cmd, arg );
}
@ -2960,6 +3046,9 @@ start_capture( bktr_ptr_t bktr, unsigned type )
{
bt848_ptr_t bt848;
u_char i_flag;
struct format_params *fp;
fp = &format_params[bktr->format_params];
bt848 = bktr->base;
@ -2967,6 +3056,7 @@ start_capture( bktr_ptr_t bktr, unsigned type )
bt848->int_stat = bt848->int_stat;
bktr->flags |= type;
bktr->flags &= ~METEOR_WANT_MASK;
switch(bktr->flags & METEOR_ONLY_FIELDS_MASK) {
case METEOR_ONLY_EVEN_FIELDS:
bktr->flags |= METEOR_WANT_EVEN;
@ -2982,7 +3072,16 @@ start_capture( bktr_ptr_t bktr, unsigned type )
break;
}
set_fps(bktr, bktr->fps);
/* TDEC is only valid for continuous captures */
if ( type == METEOR_SINGLE ) {
u_short fps_save = bktr->fps;
set_fps(bktr, fp->frame_rate);
bktr->fps = fps_save;
}
else
set_fps(bktr, bktr->fps);
if (bktr->dma_prog_loaded == FALSE) {
build_dma_prog(bktr, i_flag);
bktr->dma_prog_loaded = TRUE;
@ -3030,9 +3129,9 @@ set_fps( bktr_ptr_t bktr, u_short fps )
bt848->tdec = 0;
if (fps < fp->frame_rate)
bt848->tdec = i_flag*(fp->frame_rate - fps) & 0x3f;
else
bt848->tdec = 0;
bt848->tdec = i_flag*(fp->frame_rate - fps) & 0x3f;
else
bt848->tdec = 0;
return;
}