diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-irq.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-irq.c | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/drivers/media/video/cx18/cx18-irq.c b/drivers/media/video/cx18/cx18-irq.c index c306e142c1c..5fbfbd0f149 100644 --- a/drivers/media/video/cx18/cx18-irq.c +++ b/drivers/media/video/cx18/cx18-irq.c @@ -29,6 +29,20 @@ #include "cx18-mailbox.h" #include "cx18-vbi.h" #include "cx18-scb.h" +#include "cx18-dvb.h" + +void cx18_work_handler(struct work_struct *work) +{ + struct cx18 *cx = container_of(work, struct cx18, work); + if (test_and_clear_bit(CX18_F_I_WORK_INITED, &cx->i_flags)) { + struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 }; + /* This thread must use the FIFO scheduler as it + * is realtime sensitive. */ + sched_setscheduler(current, SCHED_FIFO, ¶m); + } + if (test_and_clear_bit(CX18_F_I_WORK_HANDLER_DVB, &cx->i_flags)) + cx18_dvb_work_handler(cx); +} static void epu_dma_done(struct cx18 *cx, struct cx18_mailbox *mb) { @@ -65,17 +79,11 @@ static void epu_dma_done(struct cx18 *cx, struct cx18_mailbox *mb) if (buf) { cx18_buf_sync_for_cpu(s, buf); if (s->type == CX18_ENC_STREAM_TYPE_TS && s->dvb.enabled) { - /* process the buffer here */ - CX18_DEBUG_HI_DMA("TS recv and sent bytesused=%d\n", + CX18_DEBUG_HI_DMA("TS recv bytesused = %d\n", buf->bytesused); - dvb_dmx_swfilter(&s->dvb.demux, buf->buf, - buf->bytesused); - - cx18_buf_sync_for_device(s, buf); - cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, s->handle, - (void __iomem *)&cx->scb->cpu_mdl[buf->id] - cx->enc_mem, - 1, buf->id, s->buf_size); + set_bit(CX18_F_I_WORK_HANDLER_DVB, &cx->i_flags); + set_bit(CX18_F_I_HAVE_WORK, &cx->i_flags); } else set_bit(CX18_F_B_NEED_BUF_SWAP, &buf->b_flags); } else { @@ -185,5 +193,8 @@ irqreturn_t cx18_irq_handler(int irq, void *dev_id) if (sw1) epu_cmd(cx, sw1); + if (test_and_clear_bit(CX18_F_I_HAVE_WORK, &cx->i_flags)) + queue_work(cx->work_queue, &cx->work); + return (sw1 || sw2 || hw2) ? IRQ_HANDLED : IRQ_NONE; } |