static irqreturn_t vmjpeg_isr(int irq, void *dev_id)
{
u32 reg, offset, pts, pts_valid = 0;
vframe_t *vf;
WRITE_MPEG_REG(ASSIST_MBOX1_CLR_REG, 1);
reg = READ_MPEG_REG(MREG_FROM_AMRISC);
if (reg & PICINFO_BUF_IDX_MASK) {
offset = READ_MPEG_REG(MREG_FRAME_OFFSET);
if (pts_lookup_offset(PTS_TYPE_VIDEO, offset, &pts, 0) == 0) {
pts_valid = 1;
}
if ((reg & PICINFO_INTERLACE) == 0) {
u32 index = ((reg & PICINFO_BUF_IDX_MASK) - 1) & 3;
vfpool_idx[fill_ptr] = index;
vf = &vfpool[fill_ptr];
set_frame_info(vf);
vf->type = VIDTYPE_PROGRESSIVE | VIDTYPE_VIU_FIELD;
vf->canvas0Addr = vf->canvas1Addr = index2canvas0(index);
vf->pts = (pts_valid) ? pts : 0;
vfbuf_use[index]++;
INCPTR(fill_ptr);
vf_notify_receiver(PROVIDER_NAME,VFRAME_EVENT_PROVIDER_VFRAME_READY,NULL);
} else {
u32 index = ((reg & PICINFO_BUF_IDX_MASK) - 1) & 3;
vfpool_idx[fill_ptr] = index;
vf = &vfpool[fill_ptr];
set_frame_info(vf);
#if 0
if (reg & PICINFO_AVI1) {
/* AVI1 format */
if (reg & PICINFO_INTERLACE_AVI1_BOT) {
vf->type = VIDTYPE_INTERLACE_BOTTOM | VIDTYPE_INTERLACE_FIRST;
} else {
vf->type = VIDTYPE_INTERLACE_TOP;
}
} else {
if (reg & PICINFO_INTERLACE_FIRST) {
vf->type = VIDTYPE_INTERLACE_TOP | VIDTYPE_INTERLACE_FIRST;
} else {
vf->type = VIDTYPE_INTERLACE_BOTTOM;
}
}
vf->type |= VIDTYPE_VIU_FIELD;
vf->duration >>= 1;
vf->canvas0Addr = vf->canvas1Addr = index2canvas0(index);
if ((vf->type & VIDTYPE_INTERLACE_FIRST) && (pts_valid)) {
vf->pts = pts;
} else {
vf->pts = 0;
}
vfbuf_use[index]++;
INCPTR(fill_ptr);
#else
/* send whole frame by weaving top & bottom field */
vf->type = VIDTYPE_PROGRESSIVE;
vf->canvas0Addr = index2canvas0(index);
vf->canvas1Addr = index2canvas1(index);
if (pts_valid) {
vf->pts = pts;
} else {
vf->pts = 0;
}
vfbuf_use[index]++;
INCPTR(fill_ptr);
vf_notify_receiver(PROVIDER_NAME,VFRAME_EVENT_PROVIDER_VFRAME_READY,NULL);
#endif
}
WRITE_MPEG_REG(MREG_FROM_AMRISC, 0);
}
static irqreturn_t vmjpeg_isr(int irq, void *dev_id)
{
u32 reg, offset, pts, pts_valid = 0;
vframe_t *vf = NULL;
WRITE_VREG(ASSIST_MBOX1_CLR_REG, 1);
reg = READ_VREG(MREG_FROM_AMRISC);
if (reg & PICINFO_BUF_IDX_MASK) {
offset = READ_VREG(MREG_FRAME_OFFSET);
if (pts_lookup_offset(PTS_TYPE_VIDEO, offset, &pts, 0) == 0) {
pts_valid = 1;
}
if ((reg & PICINFO_INTERLACE) == 0) {
u32 index = ((reg & PICINFO_BUF_IDX_MASK) - 1) & 3;
if (index >= DECODE_BUFFER_NUM_MAX) {
printk("fatal error, invalid buffer index.");
return IRQ_HANDLED;
}
if (kfifo_get(&newframe_q, &vf) == 0) {
printk("fatal error, no available buffer slot.");
return IRQ_HANDLED;
}
set_frame_info(vf);
vf->index = index;
#ifdef NV21
vf->type = VIDTYPE_PROGRESSIVE | VIDTYPE_VIU_FIELD | VIDTYPE_VIU_NV21;
#else
vf->type = VIDTYPE_PROGRESSIVE | VIDTYPE_VIU_FIELD;
#endif
vf->canvas0Addr = vf->canvas1Addr = index2canvas0(index);
vf->pts = (pts_valid) ? pts : 0;
vf->orientation = 0 ;
vfbuf_use[index]++;
kfifo_put(&display_q, (const vframe_t **)&vf);
vf_notify_receiver(PROVIDER_NAME,VFRAME_EVENT_PROVIDER_VFRAME_READY,NULL);
} else {
u32 index = ((reg & PICINFO_BUF_IDX_MASK) - 1) & 3;
if (index >= DECODE_BUFFER_NUM_MAX) {
printk("fatal error, invalid buffer index.");
return IRQ_HANDLED;
}
if (kfifo_get(&newframe_q, &vf) == 0) {
printk("fatal error, no available buffer slot.");
return IRQ_HANDLED;
}
set_frame_info(vf);
vf->index = index;
#if 0
if (reg & PICINFO_AVI1) {
/* AVI1 format */
if (reg & PICINFO_INTERLACE_AVI1_BOT) {
vf->type = VIDTYPE_INTERLACE_BOTTOM | VIDTYPE_INTERLACE_FIRST;
} else {
vf->type = VIDTYPE_INTERLACE_TOP;
}
} else {
if (reg & PICINFO_INTERLACE_FIRST) {
vf->type = VIDTYPE_INTERLACE_TOP | VIDTYPE_INTERLACE_FIRST;
} else {
vf->type = VIDTYPE_INTERLACE_BOTTOM;
}
}
vf->type |= VIDTYPE_VIU_FIELD;
#ifdef NV21
vf->type |= VIDTYPE_VIU_NV21;
#endif
vf->duration >>= 1;
vf->canvas0Addr = vf->canvas1Addr = index2canvas0(index);
vf->orientation = 0 ;
if ((vf->type & VIDTYPE_INTERLACE_FIRST) && (pts_valid)) {
vf->pts = pts;
} else {
vf->pts = 0;
}
vfbuf_use[index]++;
kfifo_put(&display_q, (const vframe_t **)&vf);
#else
/* send whole frame by weaving top & bottom field */
#ifdef NV21
vf->type = VIDTYPE_PROGRESSIVE | VIDTYPE_VIU_NV21;
#else
vf->type = VIDTYPE_PROGRESSIVE;
#endif
vf->canvas0Addr = index2canvas0(index);
vf->canvas1Addr = index2canvas1(index);
vf->orientation = 0 ;
if (pts_valid) {
vf->pts = pts;
} else {
vf->pts = 0;
}
vfbuf_use[index]++;
kfifo_put(&display_q, (const vframe_t **)&vf);
vf_notify_receiver(PROVIDER_NAME,VFRAME_EVENT_PROVIDER_VFRAME_READY,NULL);
#endif
}
WRITE_VREG(MREG_FROM_AMRISC, 0);
}
