diff options
26 files changed, 340 insertions, 174 deletions
diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c index 3870fa948cc0..523ab3851c7b 100644 --- a/drivers/media/common/saa7146_fops.c +++ b/drivers/media/common/saa7146_fops.c @@ -50,14 +50,15 @@ void saa7146_res_free(struct saa7146_fh *fh, unsigned int bits) /********************************************************************************/ /* common dma functions */ -void saa7146_dma_free(struct saa7146_dev *dev,struct saa7146_buf *buf) +void saa7146_dma_free(struct saa7146_dev *dev,struct videobuf_queue *q, + struct saa7146_buf *buf) { DEB_EE(("dev:%p, buf:%p\n",dev,buf)); BUG_ON(in_interrupt()); videobuf_waiton(&buf->vb,0,0); - videobuf_dma_pci_unmap(dev->pci, &buf->vb.dma); + videobuf_dma_unmap(q, &buf->vb.dma); videobuf_dma_free(&buf->vb.dma); buf->vb.state = STATE_NEEDS_INIT; } diff --git a/drivers/media/common/saa7146_vbi.c b/drivers/media/common/saa7146_vbi.c index 500bd3f05e16..063608462ebe 100644 --- a/drivers/media/common/saa7146_vbi.c +++ b/drivers/media/common/saa7146_vbi.c @@ -236,7 +236,7 @@ static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,e } if (buf->vb.size != size) - saa7146_dma_free(dev,buf); + saa7146_dma_free(dev,q,buf); if (STATE_NEEDS_INIT == buf->vb.state) { buf->vb.width = llength; @@ -247,7 +247,7 @@ static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,e saa7146_pgtable_free(dev->pci, &buf->pt[2]); saa7146_pgtable_alloc(dev->pci, &buf->pt[2]); - err = videobuf_iolock(dev->pci,&buf->vb, NULL); + err = videobuf_iolock(q,&buf->vb, NULL); if (err) goto oops; err = saa7146_pgtable_build_single(dev->pci, &buf->pt[2], buf->vb.dma.sglist, buf->vb.dma.sglen); @@ -261,7 +261,7 @@ static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,e oops: DEB_VBI(("error out.\n")); - saa7146_dma_free(dev,buf); + saa7146_dma_free(dev,q,buf); return err; } @@ -301,7 +301,7 @@ static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) struct saa7146_buf *buf = (struct saa7146_buf *)vb; DEB_VBI(("vb:%p\n",vb)); - saa7146_dma_free(dev,buf); + saa7146_dma_free(dev,q,buf); } static struct videobuf_queue_ops vbi_qops = { diff --git a/drivers/media/common/saa7146_video.c b/drivers/media/common/saa7146_video.c index 6b42713d97f4..e7079d1bd537 100644 --- a/drivers/media/common/saa7146_video.c +++ b/drivers/media/common/saa7146_video.c @@ -1275,7 +1275,7 @@ static int buffer_prepare(struct videobuf_queue *q, buf->vb.field != field || buf->vb.field != fh->video_fmt.field || buf->fmt != &fh->video_fmt) { - saa7146_dma_free(dev,buf); + saa7146_dma_free(dev,q,buf); } if (STATE_NEEDS_INIT == buf->vb.state) { @@ -1304,7 +1304,7 @@ static int buffer_prepare(struct videobuf_queue *q, saa7146_pgtable_alloc(dev->pci, &buf->pt[0]); } - err = videobuf_iolock(dev->pci,&buf->vb, &vv->ov_fb); + err = videobuf_iolock(q,&buf->vb, &vv->ov_fb); if (err) goto oops; err = saa7146_pgtable_build(dev,buf); @@ -1318,7 +1318,7 @@ static int buffer_prepare(struct videobuf_queue *q, oops: DEB_D(("error out.\n")); - saa7146_dma_free(dev,buf); + saa7146_dma_free(dev,q,buf); return err; } @@ -1363,7 +1363,7 @@ static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) struct saa7146_buf *buf = (struct saa7146_buf *)vb; DEB_CAP(("vbuf:%p\n",vb)); - saa7146_dma_free(dev,buf); + saa7146_dma_free(dev,q,buf); } static struct videobuf_queue_ops video_qops = { diff --git a/drivers/media/video/bttv-driver.c b/drivers/media/video/bttv-driver.c index c0415d6e7fee..2505ae5a7b97 100644 --- a/drivers/media/video/bttv-driver.c +++ b/drivers/media/video/bttv-driver.c @@ -1397,7 +1397,7 @@ bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh, free_btres(btv,fh,RESOURCE_OVERLAY); if (NULL != old) { dprintk("switch_overlay: old=%p state is %d\n",old,old->vb.state); - bttv_dma_free(btv, old); + bttv_dma_free(&fh->cap,btv, old); kfree(old); } dprintk("switch_overlay: done\n"); @@ -1407,7 +1407,8 @@ bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh, /* ----------------------------------------------------------------------- */ /* video4linux (1) interface */ -static int bttv_prepare_buffer(struct bttv *btv, struct bttv_buffer *buf, +static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv, + struct bttv_buffer *buf, const struct bttv_format *fmt, unsigned int width, unsigned int height, enum v4l2_field field) @@ -1450,7 +1451,7 @@ static int bttv_prepare_buffer(struct bttv *btv, struct bttv_buffer *buf, /* alloc risc memory */ if (STATE_NEEDS_INIT == buf->vb.state) { redo_dma_risc = 1; - if (0 != (rc = videobuf_iolock(btv->c.pci,&buf->vb,&btv->fbuf))) + if (0 != (rc = videobuf_iolock(q,&buf->vb,&btv->fbuf))) goto fail; } @@ -1462,7 +1463,7 @@ static int bttv_prepare_buffer(struct bttv *btv, struct bttv_buffer *buf, return 0; fail: - bttv_dma_free(btv,buf); + bttv_dma_free(q,btv,buf); return rc; } @@ -1486,7 +1487,7 @@ buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); struct bttv_fh *fh = q->priv_data; - return bttv_prepare_buffer(fh->btv, buf, fh->fmt, + return bttv_prepare_buffer(q,fh->btv, buf, fh->fmt, fh->width, fh->height, field); } @@ -1510,7 +1511,7 @@ static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); struct bttv_fh *fh = q->priv_data; - bttv_dma_free(fh->btv,buf); + bttv_dma_free(&fh->cap,fh->btv,buf); } static struct videobuf_queue_ops bttv_video_qops = { @@ -2496,7 +2497,7 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file, field = (vm->height > bttv_tvnorms[btv->tvnorm].sheight/2) ? V4L2_FIELD_INTERLACED : V4L2_FIELD_BOTTOM; - retval = bttv_prepare_buffer(btv,buf, + retval = bttv_prepare_buffer(&fh->cap,btv,buf, format_by_palette(vm->format), vm->width,vm->height,field); if (0 != retval) @@ -2528,8 +2529,8 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file, retval = -EIO; /* fall through */ case STATE_DONE: - videobuf_dma_pci_sync(btv->c.pci,&buf->vb.dma); - bttv_dma_free(btv,buf); + videobuf_dma_sync(&fh->cap,&buf->vb.dma); + bttv_dma_free(&fh->cap,btv,buf); break; default: retval = -EINVAL; diff --git a/drivers/media/video/bttv-risc.c b/drivers/media/video/bttv-risc.c index 344f84e9af04..16323a5d68ac 100644 --- a/drivers/media/video/bttv-risc.c +++ b/drivers/media/video/bttv-risc.c @@ -509,11 +509,11 @@ bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc, } void -bttv_dma_free(struct bttv *btv, struct bttv_buffer *buf) +bttv_dma_free(struct videobuf_queue *q,struct bttv *btv, struct bttv_buffer *buf) { BUG_ON(in_interrupt()); videobuf_waiton(&buf->vb,0,0); - videobuf_dma_pci_unmap(btv->c.pci, &buf->vb.dma); + videobuf_dma_unmap(q, &buf->vb.dma); videobuf_dma_free(&buf->vb.dma); btcx_riscmem_free(btv->c.pci,&buf->bottom); btcx_riscmem_free(btv->c.pci,&buf->top); diff --git a/drivers/media/video/bttv-vbi.c b/drivers/media/video/bttv-vbi.c index 72afdd64b882..e20ff238e409 100644 --- a/drivers/media/video/bttv-vbi.c +++ b/drivers/media/video/bttv-vbi.c @@ -96,7 +96,7 @@ static int vbi_buffer_prepare(struct videobuf_queue *q, return -EINVAL; if (STATE_NEEDS_INIT == buf->vb.state) { - if (0 != (rc = videobuf_iolock(btv->c.pci, &buf->vb, NULL))) + if (0 != (rc = videobuf_iolock(q, &buf->vb, NULL))) goto fail; if (0 != (rc = vbi_buffer_risc(btv,buf,fh->lines))) goto fail; @@ -109,7 +109,7 @@ static int vbi_buffer_prepare(struct videobuf_queue *q, return 0; fail: - bttv_dma_free(btv,buf); + bttv_dma_free(q,btv,buf); return rc; } @@ -136,7 +136,7 @@ static void vbi_buffer_release(struct videobuf_queue *q, struct videobuf_buffer struct bttv_buffer *buf = container_of(vb,struct bttv_buffer,vb); dprintk("free %p\n",vb); - bttv_dma_free(fh->btv,buf); + bttv_dma_free(&fh->cap,fh->btv,buf); } struct videobuf_queue_ops bttv_vbi_qops = { diff --git a/drivers/media/video/bttvp.h b/drivers/media/video/bttvp.h index 9cb72f176f7d..12223a203960 100644 --- a/drivers/media/video/bttvp.h +++ b/drivers/media/video/bttvp.h @@ -190,7 +190,8 @@ int bttv_buffer_activate_video(struct bttv *btv, struct bttv_buffer_set *set); int bttv_buffer_activate_vbi(struct bttv *btv, struct bttv_buffer *vbi); -void bttv_dma_free(struct bttv *btv, struct bttv_buffer *buf); +void bttv_dma_free(struct videobuf_queue *q, struct bttv *btv, + struct bttv_buffer *buf); /* overlay handling */ int bttv_overlay_risc(struct bttv *btv, struct bttv_overlay *ov, diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c index 3170b8f72c68..f9d87b86492c 100644 --- a/drivers/media/video/cx88/cx88-alsa.c +++ b/drivers/media/video/cx88/cx88-alsa.c @@ -303,7 +303,7 @@ static int dsp_buffer_free(snd_cx88_card_t *chip) BUG_ON(!chip->dma_size); dprintk(2,"Freeing buffer\n"); - videobuf_dma_pci_unmap(chip->pci, &chip->dma_risc); + videobuf_pci_dma_unmap(chip->pci, &chip->dma_risc); videobuf_dma_free(&chip->dma_risc); btcx_riscmem_free(chip->pci,&chip->buf->risc); kfree(chip->buf); @@ -429,7 +429,7 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream, videobuf_dma_init_kernel(&buf->vb.dma,PCI_DMA_FROMDEVICE, (PAGE_ALIGN(buf->vb.size) >> PAGE_SHIFT)); - videobuf_dma_pci_map(chip->pci,&buf->vb.dma); + videobuf_pci_dma_map(chip->pci,&buf->vb.dma); cx88_risc_databuffer(chip->pci, &buf->risc, diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c index a502a4d6e4ae..e100d8ef369a 100644 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ b/drivers/media/video/cx88/cx88-blackbird.c @@ -1341,7 +1341,7 @@ bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, enum v4l2_field field) { struct cx8802_fh *fh = q->priv_data; - return cx8802_buf_prepare(fh->dev, (struct cx88_buffer*)vb, field); + return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field); } static void @@ -1354,8 +1354,7 @@ bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) static void bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb) { - struct cx8802_fh *fh = q->priv_data; - cx88_free_buffer(fh->dev->pci, (struct cx88_buffer*)vb); + cx88_free_buffer(q, (struct cx88_buffer*)vb); } static struct videobuf_queue_ops blackbird_qops = { diff --git a/drivers/media/video/cx88/cx88-core.c b/drivers/media/video/cx88/cx88-core.c index c2cdbafdb77b..2c3d9f1999be 100644 --- a/drivers/media/video/cx88/cx88-core.c +++ b/drivers/media/video/cx88/cx88-core.c @@ -213,13 +213,13 @@ int cx88_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, } void -cx88_free_buffer(struct pci_dev *pci, struct cx88_buffer *buf) +cx88_free_buffer(struct videobuf_queue *q, struct cx88_buffer *buf) { BUG_ON(in_interrupt()); videobuf_waiton(&buf->vb,0,0); - videobuf_dma_pci_unmap(pci, &buf->vb.dma); + videobuf_dma_unmap(q, &buf->vb.dma); videobuf_dma_free(&buf->vb.dma); - btcx_riscmem_free(pci, &buf->risc); + btcx_riscmem_free((struct pci_dev *)q->dev, &buf->risc); buf->vb.state = STATE_NEEDS_INIT; } diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index a9fc2695b157..f0ea9b5cdbc2 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -90,7 +90,7 @@ static int dvb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, enum v4l2_field field) { struct cx8802_dev *dev = q->priv_data; - return cx8802_buf_prepare(dev, (struct cx88_buffer*)vb,field); + return cx8802_buf_prepare(q, dev, (struct cx88_buffer*)vb,field); } static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) @@ -101,8 +101,7 @@ static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) static void dvb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb) { - struct cx8802_dev *dev = q->priv_data; - cx88_free_buffer(dev->pci, (struct cx88_buffer*)vb); + cx88_free_buffer(q, (struct cx88_buffer*)vb); } static struct videobuf_queue_ops dvb_qops = { diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c index c79cc1d2bf8b..7d16888b4a86 100644 --- a/drivers/media/video/cx88/cx88-mpeg.c +++ b/drivers/media/video/cx88/cx88-mpeg.c @@ -163,8 +163,8 @@ static int cx8802_restart_queue(struct cx8802_dev *dev, /* ------------------------------------------------------------------ */ -int cx8802_buf_prepare(struct cx8802_dev *dev, struct cx88_buffer *buf, - enum v4l2_field field) +int cx8802_buf_prepare(struct videobuf_queue *q, struct cx8802_dev *dev, + struct cx88_buffer *buf, enum v4l2_field field) { int size = dev->ts_packet_size * dev->ts_packet_count; int rc; @@ -179,7 +179,7 @@ int cx8802_buf_prepare(struct cx8802_dev *dev, struct cx88_buffer *buf, buf->vb.size = size; buf->vb.field = field /*V4L2_FIELD_TOP*/; - if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL))) + if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) goto fail; cx88_risc_databuffer(dev->pci, &buf->risc, buf->vb.dma.sglist, @@ -189,36 +189,36 @@ int cx8802_buf_prepare(struct cx8802_dev *dev, struct cx88_buffer *buf, return 0; fail: - cx88_free_buffer(dev->pci,buf); + cx88_free_buffer(q,buf); return rc; } void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf) { struct cx88_buffer *prev; - struct cx88_dmaqueue *q = &dev->mpegq; + struct cx88_dmaqueue *cx88q = &dev->mpegq; dprintk( 1, "cx8802_buf_queue\n" ); /* add jump to stopper */ buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); - buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); + buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma); - if (list_empty(&q->active)) { + if (list_empty(&cx88q->active)) { dprintk( 0, "queue is empty - first active\n" ); - list_add_tail(&buf->vb.queue,&q->active); - cx8802_start_dma(dev, q, buf); + list_add_tail(&buf->vb.queue,&cx88q->active); + cx8802_start_dma(dev, cx88q, buf); buf->vb.state = STATE_ACTIVE; - buf->count = q->count++; - mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); + buf->count = cx88q->count++; + mod_timer(&cx88q->timeout, jiffies+BUFFER_TIMEOUT); dprintk(0,"[%p/%d] %s - first active\n", buf, buf->vb.i, __FUNCTION__); } else { dprintk( 1, "queue is not empty - append to active\n" ); - prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue); - list_add_tail(&buf->vb.queue,&q->active); + prev = list_entry(cx88q->active.prev, struct cx88_buffer, vb.queue); + list_add_tail(&buf->vb.queue,&cx88q->active); buf->vb.state = STATE_ACTIVE; - buf->count = q->count++; + buf->count = cx88q->count++; prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); dprintk( 1, "[%p/%d] %s - append to active\n", buf, buf->vb.i, __FUNCTION__); diff --git a/drivers/media/video/cx88/cx88-vbi.c b/drivers/media/video/cx88/cx88-vbi.c index 9bc6c8995581..846faadc9f1c 100644 --- a/drivers/media/video/cx88/cx88-vbi.c +++ b/drivers/media/video/cx88/cx88-vbi.c @@ -175,7 +175,7 @@ vbi_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, buf->vb.size = size; buf->vb.field = V4L2_FIELD_SEQ_TB; - if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL))) + if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) goto fail; cx88_risc_buffer(dev->pci, &buf->risc, buf->vb.dma.sglist, @@ -187,7 +187,7 @@ vbi_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, return 0; fail: - cx88_free_buffer(dev->pci,buf); + cx88_free_buffer(q,buf); return rc; } @@ -227,9 +227,8 @@ vbi_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) static void vbi_release(struct videobuf_queue *q, struct videobuf_buffer *vb) { struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); - struct cx8800_fh *fh = q->priv_data; - cx88_free_buffer(fh->dev->pci,buf); + cx88_free_buffer(q,buf); } struct videobuf_queue_ops cx8800_vbi_qops = { diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c index 6c97aa740d27..72a417b31745 100644 --- a/drivers/media/video/cx88/cx88-video.c +++ b/drivers/media/video/cx88/cx88-video.c @@ -564,7 +564,7 @@ buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, if (STATE_NEEDS_INIT == buf->vb.state) { init_buffer = 1; - if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL))) + if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) goto fail; } @@ -614,7 +614,7 @@ buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, return 0; fail: - cx88_free_buffer(dev->pci,buf); + cx88_free_buffer(q,buf); return rc; } @@ -671,9 +671,8 @@ buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) { struct cx88_buffer *buf = container_of(vb,struct cx88_buffer,vb); - struct cx8800_fh *fh = q->priv_data; - cx88_free_buffer(fh->dev->pci,buf); + cx88_free_buffer(q,buf); } static struct videobuf_queue_ops cx8800_video_qops = { @@ -1251,9 +1250,17 @@ int cx88_do_ioctl(struct inode *inode, struct file *file, int radio, { int err; - dprintk(2, "CORE IOCTL: 0x%x\n", cmd ); - if (video_debug > 1) - v4l_print_ioctl(core->name,cmd); + if (video_debug) { + if (video_debug > 1) { + if (_IOC_DIR(cmd) & _IOC_WRITE) + v4l_printk_ioctl_arg("cx88(w)",cmd, arg); + else if (!_IOC_DIR(cmd) & _IOC_READ) { + v4l_print_ioctl("cx88", cmd); + } + } else + v4l_print_ioctl(core->name,cmd); + + } switch (cmd) { /* ---------- tv norms ---------- */ @@ -1460,7 +1467,19 @@ int cx88_do_ioctl(struct inode *inode, struct file *file, int radio, static int video_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { - return video_usercopy(inode, file, cmd, arg, video_do_ioctl); + int retval; + + retval=video_usercopy(inode, file, cmd, arg, video_do_ioctl); + + if (video_debug > 1) { + if (retval < 0) { + v4l_print_ioctl("cx88(err)", cmd); + printk(KERN_DEBUG "cx88(err): errcode=%d\n",retval); + } else if (_IOC_DIR(cmd) & _IOC_READ) + v4l_printk_ioctl_arg("cx88(r)",cmd, (void *)arg); + } + + return retval; } /* ----------------------------------------------------------- */ diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index cfa8668784b4..5b2e499eab22 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -485,7 +485,7 @@ extern int cx88_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, u32 reg, u32 mask, u32 value); extern void -cx88_free_buffer(struct pci_dev *pci, struct cx88_buffer *buf); +cx88_free_buffer(struct videobuf_queue *q, struct cx88_buffer *buf); extern void cx88_risc_disasm(struct cx88_core *core, struct btcx_riscmem *risc); @@ -577,8 +577,8 @@ void cx88_ir_irq(struct cx88_core *core); /* ----------------------------------------------------------- */ /* cx88-mpeg.c */ -int cx8802_buf_prepare(struct cx8802_dev *dev, struct cx88_buffer *buf, - enum v4l2_field field); +int cx8802_buf_prepare(struct videobuf_queue *q,struct cx8802_dev *dev, + struct cx88_buffer *buf, enum v4l2_field field); void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf); void cx8802_cancel_buffers(struct cx8802_dev *dev); diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c index aca84d2f9825..bb3e0ba946d3 100644 --- a/drivers/media/video/saa7134/saa7134-alsa.c +++ b/drivers/media/video/saa7134/saa7134-alsa.c @@ -507,7 +507,7 @@ static int snd_card_saa7134_hw_params(struct snd_pcm_substream * substream, /* release the old buffer */ if (substream->runtime->dma_area) { saa7134_pgtable_free(dev->pci, &dev->dmasound.pt); - videobuf_dma_pci_unmap(dev->pci, &dev->dmasound.dma); + videobuf_pci_dma_unmap(dev->pci, &dev->dmasound.dma); dsp_buffer_free(dev); substream->runtime->dma_area = NULL; } @@ -523,12 +523,12 @@ static int snd_card_saa7134_hw_params(struct snd_pcm_substream * substream, return err; } - if (0 != (err = videobuf_dma_pci_map(dev->pci, &dev->dmasound.dma))) { + if (0 != (err = videobuf_pci_dma_map(dev->pci, &dev->dmasound.dma))) { dsp_buffer_free(dev); return err; } if (0 != (err = saa7134_pgtable_alloc(dev->pci,&dev->dmasound.pt))) { - videobuf_dma_pci_unmap(dev->pci, &dev->dmasound.dma); + videobuf_pci_dma_unmap(dev->pci, &dev->dmasound.dma); dsp_buffer_free(dev); return err; } @@ -537,7 +537,7 @@ static int snd_card_saa7134_hw_params(struct snd_pcm_substream * substream, dev->dmasound.dma.sglen, 0))) { saa7134_pgtable_free(dev->pci, &dev->dmasound.pt); - videobuf_dma_pci_unmap(dev->pci, &dev->dmasound.dma); + videobuf_pci_dma_unmap(dev->pci, &dev->dmasound.dma); dsp_buffer_free(dev); return err; } @@ -571,7 +571,7 @@ static int snd_card_saa7134_hw_free(struct snd_pcm_substream * substream) if (substream->runtime->dma_area) { saa7134_pgtable_free(dev->pci, &dev->dmasound.pt); - videobuf_dma_pci_unmap(dev->pci, &dev->dmasound.dma); + videobuf_pci_dma_unmap(dev->pci, &dev->dmasound.dma); dsp_buffer_free(dev); substream->runtime->dma_area = NULL; } diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 58e568d7d2ee..15405d1e1675 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -254,12 +254,12 @@ void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt) /* ------------------------------------------------------------------ */ -void saa7134_dma_free(struct saa7134_dev *dev,struct saa7134_buf *buf) +void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf) { BUG_ON(in_interrupt()); videobuf_waiton(&buf->vb,0,0); - videobuf_dma_pci_unmap(dev->pci, &buf->vb.dma); + videobuf_dma_unmap(q, &buf->vb.dma); videobuf_dma_free(&buf->vb.dma); buf->vb.state = STATE_NEEDS_INIT; } diff --git a/drivers/media/video/saa7134/saa7134-oss.c b/drivers/media/video/saa7134/saa7134-oss.c index d79d05f88705..7aa02b34e012 100644 --- a/drivers/media/video/saa7134/saa7134-oss.c +++ b/drivers/media/video/saa7134/saa7134-oss.c @@ -124,7 +124,7 @@ static int dsp_rec_start(struct saa7134_dev *dev) unsigned long flags; /* prepare buffer */ - if (0 != (err = videobuf_dma_pci_map(dev->pci,&dev->dmasound.dma))) + if (0 != (err = videobuf_pci_dma_map(dev->pci,&dev->dmasound.dma))) return err; if (0 != (err = saa7134_pgtable_alloc(dev->pci,&dev->dmasound.pt))) goto fail1; @@ -213,7 +213,7 @@ static int dsp_rec_start(struct saa7134_dev *dev) fail2: saa7134_pgtable_free(dev->pci,&dev->dmasound.pt); fail1: - videobuf_dma_pci_unmap(dev->pci,&dev->dmasound.dma); + videobuf_pci_dma_unmap(dev->pci,&dev->dmasound.dma); return err; } @@ -231,7 +231,7 @@ static int dsp_rec_stop(struct saa7134_dev *dev) /* unlock buffer */ saa7134_pgtable_free(dev->pci,&dev->dmasound.pt); - videobuf_dma_pci_unmap(dev->pci,&dev->dmasound.dma); + videobuf_pci_dma_unmap(dev->pci,&dev->dmasound.dma); return 0; } diff --git a/drivers/media/video/saa7134/saa7134-ts.c b/drivers/media/video/saa7134/saa7134-ts.c index 470903e2f5e5..60a90a2617ae 100644 --- a/drivers/media/video/saa7134/saa7134-ts.c +++ b/drivers/media/video/saa7134/saa7134-ts.c @@ -89,7 +89,7 @@ static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, return -EINVAL; if (buf->vb.size != size) { - saa7134_dma_free(dev,buf); + saa7134_dma_free(q,buf); } if (STATE_NEEDS_INIT == buf->vb.state) { @@ -98,7 +98,7 @@ static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, buf->vb.size = size; buf->pt = &dev->ts.pt_ts; - err = videobuf_iolock(dev->pci,&buf->vb,NULL); + err = videobuf_iolock(q,&buf->vb,NULL); if (err) goto oops; err = saa7134_pgtable_build(dev->pci,buf->pt, @@ -126,7 +126,7 @@ static int buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, return 0; oops: - saa7134_dma_free(dev,buf); + saa7134_dma_free(q,buf); return err; } @@ -152,10 +152,9 @@ static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) { - struct saa7134_dev *dev = q->priv_data; struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); - saa7134_dma_free(dev,buf); + saa7134_dma_free(q,buf); } struct videobuf_queue_ops saa7134_ts_qops = { diff --git a/drivers/media/video/saa7134/saa7134-vbi.c b/drivers/media/video/saa7134/saa7134-vbi.c index f4aee0af80e1..f38366a470fa 100644 --- a/drivers/media/video/saa7134/saa7134-vbi.c +++ b/drivers/media/video/saa7134/saa7134-vbi.c @@ -135,7 +135,7 @@ static int buffer_prepare(struct videobuf_queue *q, return -EINVAL; if (buf->vb.size != size) - saa7134_dma_free(dev,buf); + saa7134_dma_free(q,buf); if (STATE_NEEDS_INIT == buf->vb.state) { buf->vb.width = llength; @@ -143,7 +143,7 @@ static int buffer_prepare(struct videobuf_queue *q, buf->vb.size = size; buf->pt = &fh->pt_vbi; - err = videobuf_iolock(dev->pci,&buf->vb,NULL); + err = videobuf_iolock(q,&buf->vb,NULL); if (err) goto oops; err = saa7134_pgtable_build(dev->pci,buf->pt, @@ -159,7 +159,7 @@ static int buffer_prepare(struct videobuf_queue *q, return 0; oops: - saa7134_dma_free(dev,buf); + saa7134_dma_free(q,buf); return err; } @@ -190,11 +190,9 @@ static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) { - struct saa7134_fh *fh = q->priv_data; - struct saa7134_dev *dev = fh->dev; struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); - saa7134_dma_free(dev,buf); + saa7134_dma_free(q,buf); } struct videobuf_queue_ops saa7134_vbi_qops = { diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index 57a11e71d996..aeef80f88a6b 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -993,7 +993,7 @@ static int buffer_prepare(struct videobuf_queue *q, buf->vb.size != size || buf->vb.field != field || buf->fmt != fh->fmt) { - saa7134_dma_free(dev,buf); + saa7134_dma_free(q,buf); } if (STATE_NEEDS_INIT == buf->vb.state) { @@ -1004,7 +1004,7 @@ static int buffer_prepare(struct videobuf_queue *q, buf->fmt = fh->fmt; buf->pt = &fh->pt_cap; - err = videobuf_iolock(dev->pci,&buf->vb,&dev->ovbuf); + err = videobuf_iolock(q,&buf->vb,&dev->ovbuf); if (err) goto oops; err = saa7134_pgtable_build(dev->pci,buf->pt, @@ -1019,7 +1019,7 @@ static int buffer_prepare(struct videobuf_queue *q, return 0; oops: - saa7134_dma_free(dev,buf); + saa7134_dma_free(q,buf); return err; } @@ -1045,10 +1045,9 @@ static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) { - struct saa7134_fh *fh = q->priv_data; struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); - saa7134_dma_free(fh->dev,buf); + saa7134_dma_free(q,buf); } static struct videobuf_queue_ops video_qops = { diff --git a/drivers/media/video/saa7134/saa7134.h b/drivers/media/video/saa7134/saa7134.h index ce1c2e0b065e..104bd2e054e5 100644 --- a/drivers/media/video/saa7134/saa7134.h +++ b/drivers/media/video/saa7134/saa7134.h @@ -579,7 +579,7 @@ void saa7134_buffer_finish(struct saa7134_dev *dev, struct saa7134_dmaqueue *q, unsigned int state); void saa7134_buffer_next(struct saa7134_dev *dev, struct saa7134_dmaqueue *q); void saa7134_buffer_timeout(unsigned long data); -void saa7134_dma_free(struct saa7134_dev *dev,struct saa7134_buf *buf); +void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf); int saa7134_set_dmabits(struct saa7134_dev *dev); diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 95a6e47c99f1..9b029e4dbfb7 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -481,7 +481,7 @@ void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg) prt_names(p->memory,v4l2_memory_names), p->m.userptr); printk ("%s: timecode= %02d:%02d:%02d type=%d, " - "flags=0x%08d, frames=%d, userbits=0x%08x", + "flags=0x%08d, frames=%d, userbits=0x%08x\n", s,tc->hours,tc->minutes,tc->seconds, tc->type, tc->flags, tc->frames, (__u32) tc->userbits); break; @@ -489,8 +489,8 @@ void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg) case VIDIOC_QUERYCAP: { struct v4l2_capability *p=arg; - printk ("%s: driver=%s, card=%s, bus=%s, version=%d, " - "capabilities=%d\n", s, + printk ("%s: driver=%s, card=%s, bus=%s, version=0x%08x, " + "capabilities=0x%08x\n", s, p->driver,p->card,p->bus_info, p->version, p->capabilities); diff --git a/drivers/media/video/video-buf.c b/drivers/media/video/video-buf.c index 87e937581d5a..d2ca0f08d0df 100644 --- a/drivers/media/video/video-buf.c +++ b/drivers/media/video/video-buf.c @@ -1,15 +1,20 @@ /* * * generic helper functions for video4linux capture buffers, to handle - * memory management and PCI DMA. Right now bttv + saa7134 use it. + * memory management and PCI DMA. + * Right now, bttv, saa7134, saa7146 and cx88 use it. * * The functions expect the hardware being able to scatter gatter * (i.e. the buffers are not linear in physical memory, but fragmented * into PAGE_SIZE chunks). They also assume the driver does not need - * to touch the video data (thus it is probably not useful for USB 1.1 - * as data often must be uncompressed by the drivers). + * to touch the video data. + * + * device specific map/unmap/sync stuff now are mapped as operations + * to allow its usage by USB and virtual devices. * * (c) 2001-2004 Gerd Knorr <kraxel@bytesex.org> [SUSE Labs] + * (c) 2006 Mauro Carvalho Chehab <mchehab@infradead.org> + * (c) 2006 Ted Walther and John Sokol * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -167,6 +172,9 @@ int videobuf_dma_init_kernel(struct videobuf_dmabuf *dma, int direction, dprintk(1,"vmalloc_32(%d pages) failed\n",nr_pages); return -ENOMEM; } + dprintk(1,"vmalloc is at addr 0x%08lx, size=%d\n", + (unsigned long)dma->vmalloc, + nr_pages << PAGE_SHIFT); memset(dma->vmalloc,0,nr_pages << PAGE_SHIFT); dma->nr_pages = nr_pages; return 0; @@ -186,8 +194,10 @@ int videobuf_dma_init_overlay(struct videobuf_dmabuf *dma, int direction, return 0; } -int videobuf_dma_pci_map(struct pci_dev *dev, struct videobuf_dmabuf *dma) +int videobuf_dma_map(struct videobuf_queue* q,struct videobuf_dmabuf *dma) { + void *dev=q->dev; + MAGIC_CHECK(dma->magic,MAGIC_DMABUF); BUG_ON(0 == dma->nr_pages); @@ -197,7 +207,7 @@ int videobuf_dma_pci_map(struct pci_dev *dev, struct videobuf_dmabuf *dma) } if (dma->vmalloc) { dma->sglist = videobuf_vmalloc_to_sg - (dma->vmalloc,dma->nr_pages); + (dma->vmalloc,dma->nr_pages); } if (dma->bus_addr) { dma->sglist = kmalloc(sizeof(struct scatterlist), GFP_KERNEL); @@ -212,13 +222,14 @@ int videobuf_dma_pci_map(struct pci_dev *dev, struct videobuf_dmabuf *dma) dprintk(1,"scatterlist is NULL\n"); return -ENOMEM; } - if (!dma->bus_addr) { - dma->sglen = pci_map_sg(dev,dma->sglist,dma->nr_pages, - dma->direction); + if (q->ops->vb_map_sg) { + dma->sglen = q->ops->vb_map_sg(dev,dma->sglist, + dma->nr_pages, dma->direction); + } if (0 == dma->sglen) { printk(KERN_WARNING - "%s: pci_map_sg failed\n",__FUNCTION__); + "%s: videobuf_map_sg failed\n",__FUNCTION__); kfree(dma->sglist); dma->sglist = NULL; dma->sglen = 0; @@ -228,24 +239,31 @@ int videobuf_dma_pci_map(struct pci_dev *dev, struct videobuf_dmabuf *dma) return 0; } -int videobuf_dma_pci_sync(struct pci_dev *dev, struct videobuf_dmabuf *dma) +int videobuf_dma_sync(struct videobuf_queue* q,struct videobuf_dmabuf *dma) { + void *dev=q->dev; + MAGIC_CHECK(dma->magic,MAGIC_DMABUF); BUG_ON(!dma->sglen); - if (!dma->bus_addr) - pci_dma_sync_sg_for_cpu(dev,dma->sglist,dma->nr_pages,dma->direction); + if (!dma->bus_addr && q->ops->vb_dma_sync_sg) + q->ops->vb_dma_sync_sg(dev,dma->sglist,dma->nr_pages, + dma->direction); + return 0; } -int videobuf_dma_pci_unmap(struct pci_dev *dev, struct videobuf_dmabuf *dma) +int videobuf_dma_unmap(struct videobuf_queue* q,struct videobuf_dmabuf *dma) { + void *dev=q->dev; + MAGIC_CHECK(dma->magic,MAGIC_DMABUF); if (!dma->sglen) return 0; - if (!dma->bus_addr) - pci_unmap_sg(dev,dma->sglist,dma->nr_pages,dma->direction); + if (!dma->bus_addr && q->ops->vb_unmap_sg) + q->ops->vb_unmap_sg(dev,dma->sglist,dma->nr_pages, + dma->direction); kfree(dma->sglist); dma->sglist = NULL; dma->sglen = 0; @@ -318,7 +336,7 @@ int videobuf_waiton(struct videobuf_buffer *vb, int non_blocking, int intr) } int -videobuf_iolock(struct pci_dev *pci, struct videobuf_buffer *vb, +videobuf_iolock(struct videobuf_queue* q, struct videobuf_buffer *vb, struct v4l2_framebuffer *fbuf) { int err,pages; @@ -357,7 +375,7 @@ videobuf_iolock(struct pci_dev *pci, struct videobuf_buffer *vb, default: BUG(); } - err = videobuf_dma_pci_map(pci,&vb->dma); + err = videobuf_dma_map(q,&vb->dma); if (0 != err) return err; @@ -366,9 +384,41 @@ videobuf_iolock(struct pci_dev *pci, struct videobuf_buffer *vb, /* --------------------------------------------------------------------- */ +void videobuf_queue_pci(struct videobuf_queue* q) +{ + /* If not specified, defaults to PCI map sg */ + if (!q->ops->vb_map_sg) + q->ops->vb_map_sg=(vb_map_sg_t *)pci_map_sg; + + if (!q->ops->vb_dma_sync_sg) + q->ops->vb_dma_sync_sg=(vb_map_sg_t *)pci_dma_sync_sg_for_cpu; + if (!q->ops->vb_unmap_sg) + q->ops->vb_unmap_sg=(vb_map_sg_t *)pci_unmap_sg; +} + +int videobuf_pci_dma_map(struct pci_dev *pci,struct videobuf_dmabuf *dma) +{ + struct videobuf_queue q; + + q.dev=pci; + q.ops->vb_map_sg=(vb_map_sg_t *)pci_unmap_sg; + + return (videobuf_dma_unmap(&q,dma)); +} + +int videobuf_pci_dma_unmap(struct pci_dev *pci,struct videobuf_dmabuf *dma) +{ + struct videobuf_queue q; + + q.dev=pci; + q.ops->vb_map_sg=(vb_map_sg_t *)pci_unmap_sg; + + return (videobuf_dma_unmap(&q,dma)); +} + void videobuf_queue_init(struct videobuf_queue* q, struct videobuf_queue_ops *ops, - struct pci_dev *pci, + void *dev, spinlock_t *irqlock, enum v4l2_buf_type type, enum v4l2_field field, @@ -377,13 +427,15 @@ void videobuf_queue_init(struct videobuf_queue* q, { memset(q,0,sizeof(*q)); q->irqlock = irqlock; - q->pci = pci; + q->dev = dev; q->type = type; q->field = field; q->msize = msize; q->ops = ops; q->priv_data = priv; + videobuf_queue_pci(q); + mutex_init(&q->lock); INIT_LIST_HEAD(&q->stream); } @@ -431,7 +483,8 @@ videobuf_queue_cancel(struct videobuf_queue *q) int i; /* remove queued buffers from list */ - spin_lock_irqsave(q->irqlock,flags); + if (q->irqlock) + spin_lock_irqsave(q->irqlock,flags); for (i = 0; i < VIDEO_MAX_FRAME; i++) { if (NULL == q->bufs[i]) continue; @@ -440,7 +493,8 @@ videobuf_queue_cancel(struct videobuf_queue *q) q->bufs[i]->state = STATE_ERROR; } } - spin_unlock_irqrestore(q->irqlock,flags); + if (q->irqlock) + spin_unlock_irqrestore(q->irqlock,flags); /* free all buffers + clear queue */ for (i = 0; i < VIDEO_MAX_FRAME; i++) { @@ -534,19 +588,29 @@ videobuf_reqbufs(struct videobuf_queue *q, unsigned int size,count; int retval; - if (req->type != q->type) + if (req->type != q->type) { + dprintk(1,"reqbufs: queue type invalid\n"); return -EINVAL; - if (req->count < 1) + } + if (req->count < 1) { + dprintk(1,"reqbufs: count invalid (%d)\n",req->count); return -EINVAL; + } if (req->memory != V4L2_MEMORY_MMAP && req->memory != V4L2_MEMORY_USERPTR && - req->memory != V4L2_MEMORY_OVERLAY) + req->memory != V4L2_MEMORY_OVERLAY) { + dprintk(1,"reqbufs: memory type invalid\n"); return -EINVAL; + } - if (q->streaming) + if (q->streaming) { + dprintk(1,"reqbufs: streaming already exists\n"); return -EBUSY; - if (!list_empty(&q->stream)) + } + if (!list_empty(&q->stream)) { + dprintk(1,"reqbufs: stream running\n"); return -EBUSY; + } mutex_lock(&q->lock); count = req->count; @@ -559,8 +623,10 @@ videobuf_reqbufs(struct videobuf_queue *q, count, size, (count*size)>>PAGE_SHIFT); retval = videobuf_mmap_setup(q,count,size,req->memory); - if (retval < 0) + if (retval < 0) { + dprintk(1,"reqbufs: mmap setup returned %d\n",retval); goto done; + } req->count = count; @@ -572,12 +638,18 @@ videobuf_reqbufs(struct videobuf_queue *q, int videobuf_querybuf(struct videobuf_queue *q, struct v4l2_buffer *b) { - if (unlikely(b->type != q->type)) + if (unlikely(b->type != q->type)) { + dprintk(1,"querybuf: Wrong type.\n"); return -EINVAL; - if (unlikely(b->index < 0 || b->index >= VIDEO_MAX_FRAME)) + } + if (unlikely(b->index < 0 || b->index >= VIDEO_MAX_FRAME)) { + dprintk(1,"querybuf: index out of range.\n"); return -EINVAL; - if (unlikely(NULL == q->bufs[b->index])) + } + if (unlikely(NULL == q->bufs[b->index])) { + dprintk(1,"querybuf: buffer is null.\n"); return -EINVAL; + } videobuf_status(b,q->bufs[b->index],q->type); return 0; } @@ -593,26 +665,40 @@ videobuf_qbuf(struct videobuf_queue *q, mutex_lock(&q->lock); retval = -EBUSY; - if (q->reading) + if (q->reading) { + dprintk(1,"qbuf: Reading running...\n"); goto done; + } retval = -EINVAL; - if (b->type != q->type) + if (b->type != q->type) { + dprintk(1,"qbuf: Wrong type.\n"); goto done; - if (b->index < 0 || b->index >= VIDEO_MAX_FRAME) + } + if (b->index < 0 || b->index >= VIDEO_MAX_FRAME) { + dprintk(1,"qbuf: index out of range.\n"); goto done; + } buf = q->bufs[b->index]; - if (NULL == buf) + if (NULL == buf) { + dprintk(1,"qbuf: buffer is null.\n"); goto done; + } MAGIC_CHECK(buf->magic,MAGIC_BUFFER); - if (buf->memory != b->memory) + if (buf->memory != b->memory) { + dprintk(1,"qbuf: memory type is wrong.\n"); goto done; + } if (buf->state == STATE_QUEUED || - buf->state == STATE_ACTIVE) + buf->state == STATE_ACTIVE) { + dprintk(1,"qbuf: buffer is already queued or active.\n"); goto done; + } if (b->flags & V4L2_BUF_FLAG_INPUT) { - if (b->input >= q->inputs) + if (b->input >= q->inputs) { + dprintk(1,"qbuf: wrong input.\n"); goto done; + } buf->input = b->input; } else { buf->input = UNSET; @@ -620,12 +706,16 @@ videobuf_qbuf(struct videobuf_queue *q, switch (b->memory) { case V4L2_MEMORY_MMAP: - if (0 == buf->baddr) + if (0 == buf->baddr) { + dprintk(1,"qbuf: mmap requested but buffer addr is zero!\n"); goto done; + } break; case V4L2_MEMORY_USERPTR: - if (b->length < buf->bsize) + if (b->length < buf->bsize) { + dprintk(1,"qbuf: buffer length is not enough\n"); goto done; + } if (STATE_NEEDS_INIT != buf->state && buf->baddr != b->m.userptr) q->ops->buf_release(q,buf); buf->baddr = b->m.userptr; @@ -634,20 +724,27 @@ videobuf_qbuf(struct videobuf_queue *q, buf->boff = b->m.offset; break; default: + dprintk(1,"qbuf: wrong memory type\n"); goto done; } + dprintk(1,"qbuf: requesting next field\n"); field = videobuf_next_field(q); retval = q->ops->buf_prepare(q,buf,field); - if (0 != retval) + if (0 != retval) { + dprintk(1,"qbuf: buffer_prepare returned %d\n",retval); goto done; + } list_add_tail(&buf->stream,&q->stream); if (q->streaming) { - spin_lock_irqsave(q->irqlock,flags); + if (q->irqlock) + spin_lock_irqsave(q->irqlock,flags); q->ops->buf_queue(q,buf); - spin_unlock_irqrestore(q->irqlock,flags); + if (q->irqlock) + spin_unlock_irqrestore(q->irqlock,flags); } + dprintk(1,"qbuf: succeded\n"); retval = 0; done: @@ -664,26 +761,39 @@ videobuf_dqbuf(struct videobuf_queue *q, mutex_lock(&q->lock); retval = -EBUSY; - if (q->reading) + if (q->reading) { + dprintk(1,"dqbuf: Reading running...\n"); goto done; + } retval = -EINVAL; - if (b->type != q->type) + if (b->type != q->type) { + dprintk(1,"dqbuf: Wrong type.\n"); goto done; - if (list_empty(&q->stream)) + } + if (list_empty(&q->stream)) { + dprintk(1,"dqbuf: stream running\n"); goto done; + } buf = list_entry(q->stream.next, struct videobuf_buffer, stream); retval = videobuf_waiton(buf, nonblocking, 1); - if (retval < 0) + if (retval < 0) { + dprintk(1,"dqbuf: waiton returned %d\n",retval); goto done; + } switch (buf->state) { case STATE_ERROR: + dprintk(1,"dqbuf: state is error\n"); retval = -EIO; - /* fall through */ + videobuf_dma_sync(q,&buf->dma); + buf->state = STATE_IDLE; + break; case STATE_DONE: - videobuf_dma_pci_sync(q->pci,&buf->dma); + dprintk(1,"dqbuf: state is done\n"); + videobuf_dma_sync(q,&buf->dma); buf->state = STATE_IDLE; break; default: + dprintk(1,"dqbuf: state invalid\n"); retval = -EINVAL; goto done; } @@ -711,13 +821,15 @@ int videobuf_streamon(struct videobuf_queue *q) if (q->streaming) goto done; q->streaming = 1; - spin_lock_irqsave(q->irqlock,flags); + if (q->irqlock) + spin_lock_irqsave(q->irqlock,flags); list_for_each(list,&q->stream) { buf = list_entry(list, struct videobuf_buffer, stream); if (buf->state == STATE_PREPARED) q->ops->buf_queue(q,buf); } - spin_unlock_irqrestore(q->irqlock,flags); + if (q->irqlock) + spin_unlock_irqrestore(q->irqlock,flags); done: mutex_unlock(&q->lock); @@ -762,12 +874,14 @@ videobuf_read_zerocopy(struct videobuf_queue *q, char __user *data, goto done; /* start capture & wait */ - spin_lock_irqsave(q->irqlock,flags); + if (q->irqlock) + spin_lock_irqsave(q->irqlock,flags); q->ops->buf_queue(q,q->read_buf); - spin_unlock_irqrestore(q->irqlock,flags); + if (q->irqlock) + spin_unlock_irqrestore(q->irqlock,flags); retval = videobuf_waiton(q->read_buf,0,0); if (0 == retval) { - videobuf_dma_pci_sync(q->pci,&q->read_buf->dma); + videobuf_dma_sync(q,&q->read_buf->dma); if (STATE_ERROR == q->read_buf->state) retval = -EIO; else @@ -809,6 +923,7 @@ ssize_t videobuf_read_one(struct videobuf_queue *q, /* need to capture a new frame */ retval = -ENOMEM; q->read_buf = videobuf_alloc(q->msize); + dprintk(1,"video alloc=0x%08x\n",(unsigned int) q->read_buf); if (NULL == q->read_buf) goto done; q->read_buf->memory = V4L2_MEMORY_USERPTR; @@ -820,9 +935,11 @@ ssize_t videobuf_read_one(struct videobuf_queue *q, q->read_buf = NULL; goto done; } - spin_lock_irqsave(q->irqlock,flags); + if (q->irqlock) + spin_lock_irqsave(q->irqlock,flags); q->ops->buf_queue(q,q->read_buf); - spin_unlock_irqrestore(q->irqlock,flags); + if (q->irqlock) + spin_unlock_irqrestore(q->irqlock,flags); q->read_off = 0; } @@ -830,7 +947,7 @@ ssize_t videobuf_read_one(struct videobuf_queue *q, retval = videobuf_waiton(q->read_buf, nonblocking, 1); if (0 != retval) goto done; - videobuf_dma_pci_sync(q->pci,&q->read_buf->dma); + videobuf_dma_sync(q,&q->read_buf->dma); if (STATE_ERROR == q->read_buf->state) { /* catch I/O errors */ @@ -887,10 +1004,12 @@ int videobuf_read_start(struct videobuf_queue *q) return err; list_add_tail(&q->bufs[i]->stream, &q->stream); } - spin_lock_irqsave(q->irqlock,flags); + if (q->irqlock) + spin_lock_irqsave(q->irqlock,flags); for (i = 0; i < count; i++) q->ops->buf_queue(q,q->bufs[i]); - spin_unlock_irqrestore(q->irqlock,flags); + if (q->irqlock) + spin_unlock_irqrestore(q->irqlock,flags); q->reading = 1; return 0; } @@ -985,9 +1104,11 @@ ssize_t videobuf_read_stream(struct videobuf_queue *q, if (q->read_off == q->read_buf->size) { list_add_tail(&q->read_buf->stream, &q->stream); - spin_lock_irqsave(q->irqlock,flags); + if (q->irqlock) + spin_lock_irqsave(q->irqlock,flags); q->ops->buf_queue(q,q->read_buf); - spin_unlock_irqrestore(q->irqlock,flags); + if (q->irqlock) + spin_unlock_irqrestore(q->irqlock,flags); q->read_buf = NULL; } if (retval < 0) @@ -1249,11 +1370,14 @@ EXPORT_SYMBOL_GPL(videobuf_dma_init); EXPORT_SYMBOL_GPL(videobuf_dma_init_user); EXPORT_SYMBOL_GPL(videobuf_dma_init_kernel); EXPORT_SYMBOL_GPL(videobuf_dma_init_overlay); -EXPORT_SYMBOL_GPL(videobuf_dma_pci_map); -EXPORT_SYMBOL_GPL(videobuf_dma_pci_sync); -EXPORT_SYMBOL_GPL(videobuf_dma_pci_unmap); +EXPORT_SYMBOL_GPL(videobuf_dma_map); +EXPORT_SYMBOL_GPL(videobuf_dma_sync); +EXPORT_SYMBOL_GPL(videobuf_dma_unmap); EXPORT_SYMBOL_GPL(videobuf_dma_free); +EXPORT_SYMBOL_GPL(videobuf_pci_dma_map); +EXPORT_SYMBOL_GPL(videobuf_pci_dma_unmap); + EXPORT_SYMBOL_GPL(videobuf_alloc); EXPORT_SYMBOL_GPL(videobuf_waiton); EXPORT_SYMBOL_GPL(videobuf_iolock); diff --git a/include/media/saa7146_vv.h b/include/media/saa7146_vv.h index e5e749e984ee..4507cb61ae93 100644 --- a/include/media/saa7146_vv.h +++ b/include/media/saa7146_vv.h @@ -197,7 +197,8 @@ void saa7146_buffer_finish(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, void saa7146_buffer_next(struct saa7146_dev *dev, struct saa7146_dmaqueue *q,int vbi); int saa7146_buffer_queue(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, struct saa7146_buf *buf); void saa7146_buffer_timeout(unsigned long data); -void saa7146_dma_free(struct saa7146_dev *dev,struct saa7146_buf *buf); +void saa7146_dma_free(struct saa7146_dev* dev,struct videobuf_queue *q, + struct saa7146_buf *buf); int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv); int saa7146_vv_release(struct saa7146_dev* dev); diff --git a/include/media/video-buf.h b/include/media/video-buf.h index d90dec5484ee..fff3fd0fbf94 100644 --- a/include/media/video-buf.h +++ b/include/media/video-buf.h @@ -1,15 +1,20 @@ /* * * generic helper functions for video4linux capture buffers, to handle - * memory management and PCI DMA. Right now bttv + saa7134 use it. + * memory management and PCI DMA. + * Right now, bttv, saa7134, saa7146 and cx88 use it. * * The functions expect the hardware being able to scatter gatter * (i.e. the buffers are not linear in physical memory, but fragmented * into PAGE_SIZE chunks). They also assume the driver does not need - * to touch the video data (thus it is probably not useful for USB as - * data often must be uncompressed by the drivers). + * to touch the video data. + * + * device specific map/unmap/sync stuff now are mapped as file operations + * to allow its usage by USB and virtual devices. * * (c) 2001,02 Gerd Knorr <kraxel@bytesex.org> + * (c) 2006 Mauro Carvalho Chehab, <mchehab@infradead.org> + * (c) 2006 Ted Walther and John Sokol * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -38,6 +43,9 @@ struct scatterlist* videobuf_vmalloc_to_sg(unsigned char *virt, int nr_pages); struct scatterlist* videobuf_pages_to_sg(struct page **pages, int nr_pages, int offset); +struct videobuf_buffer; +struct videobuf_queue; + /* --------------------------------------------------------------------- */ /* @@ -49,7 +57,7 @@ struct scatterlist* videobuf_pages_to_sg(struct page **pages, int nr_pages, * pointer + length. The kernel version just wants the size and * does memory allocation too using vmalloc_32(). * - * videobuf_dma_pci_*() + * videobuf_dma_*() * see Documentation/DMA-mapping.txt, these functions to * basically the same. The map function does also build a * scatterlist for the buffer (and unmap frees it ...) @@ -86,12 +94,18 @@ int videobuf_dma_init_kernel(struct videobuf_dmabuf *dma, int direction, int nr_pages); int videobuf_dma_init_overlay(struct videobuf_dmabuf *dma, int direction, dma_addr_t addr, int nr_pages); -int videobuf_dma_pci_map(struct pci_dev *dev, struct videobuf_dmabuf *dma); -int videobuf_dma_pci_sync(struct pci_dev *dev, - struct videobuf_dmabuf *dma); -int videobuf_dma_pci_unmap(struct pci_dev *dev, struct videobuf_dmabuf *dma); int videobuf_dma_free(struct videobuf_dmabuf *dma); +int videobuf_dma_map(struct videobuf_queue* q,struct videobuf_dmabuf *dma); +int videobuf_dma_sync(struct videobuf_queue* q,struct videobuf_dmabuf *dma); +int videobuf_dma_unmap(struct videobuf_queue* q,struct videobuf_dmabuf *dma); + + /*FIXME: these variants are used only on *-alsa code, where videobuf is + * used without queue + */ +int videobuf_pci_dma_map(struct pci_dev *pci,struct videobuf_dmabuf *dma); +int videobuf_pci_dma_unmap(struct pci_dev *pci,struct videobuf_dmabuf *dma); + /* --------------------------------------------------------------------- */ /* @@ -115,9 +129,6 @@ int videobuf_dma_free(struct videobuf_dmabuf *dma); * */ -struct videobuf_buffer; -struct videobuf_queue; - struct videobuf_mapping { unsigned int count; unsigned long start; @@ -164,6 +175,10 @@ struct videobuf_buffer { struct timeval ts; }; +typedef int (vb_map_sg_t)(void *dev,struct scatterlist *sglist,int nr_pages, + int direction); + + struct videobuf_queue_ops { int (*buf_setup)(struct videobuf_queue *q, unsigned int *count, unsigned int *size); @@ -174,12 +189,20 @@ struct videobuf_queue_ops { struct videobuf_buffer *vb); void (*buf_release)(struct videobuf_queue *q, struct videobuf_buffer *vb); + + /* Helper operations - device dependent. + * If null, videobuf_init defaults all to PCI handling + */ + + vb_map_sg_t *vb_map_sg; + vb_map_sg_t *vb_dma_sync_sg; + vb_map_sg_t *vb_unmap_sg; }; struct videobuf_queue { struct mutex lock; spinlock_t *irqlock; - struct pci_dev *pci; + void *dev; /* on pci, points to struct pci_dev */ enum v4l2_buf_type type; unsigned int inputs; /* for V4L2_BUF_FLAG_INPUT */ @@ -204,12 +227,15 @@ struct videobuf_queue { void* videobuf_alloc(unsigned int size); int videobuf_waiton(struct videobuf_buffer *vb, int non_blocking, int intr); -int videobuf_iolock(struct pci_dev *pci, struct videobuf_buffer *vb, - struct v4l2_framebuffer *fbuf); +int videobuf_iolock(struct videobuf_queue* q, struct videobuf_buffer *vb, + struct v4l2_framebuffer *fbuf); + +/* Maps fops to PCI stuff */ +void videobuf_queue_pci(struct videobuf_queue* q); void videobuf_queue_init(struct videobuf_queue *q, struct videobuf_queue_ops *ops, - struct pci_dev *pci, + void *dev, spinlock_t *irqlock, enum v4l2_buf_type type, enum v4l2_field field, |