From 0705135e59f8503e4dade4b3580fed77b1743b7c Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Tue, 22 Apr 2008 14:42:13 -0300 Subject: [PATCH] V4L/DVB (7237): Convert videobuf-dma-sg to generic DMA API videobuf-dma-sg does not need to depend on PCI. Switch it to using generic DMA API, convert all affected drivers, relax Kconfig restriction, improve compile-time type checking, fix some Coding Style violations while at it. Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/Kconfig | 2 +- drivers/media/common/saa7146_vbi.c | 4 +- drivers/media/common/saa7146_video.c | 4 +- drivers/media/video/bt8xx/bttv-driver.c | 16 +-- drivers/media/video/cx23885/cx23885-dvb.c | 2 +- drivers/media/video/cx23885/cx23885-video.c | 4 +- drivers/media/video/cx88/cx88-alsa.c | 8 +- drivers/media/video/cx88/cx88-blackbird.c | 4 +- drivers/media/video/cx88/cx88-dvb.c | 4 +- drivers/media/video/cx88/cx88-video.c | 8 +- drivers/media/video/saa7134/saa7134-alsa.c | 10 +- drivers/media/video/saa7134/saa7134-dvb.c | 4 +- drivers/media/video/saa7134/saa7134-empress.c | 4 +- drivers/media/video/saa7134/saa7134-video.c | 8 +- drivers/media/video/soc_camera.c | 2 +- drivers/media/video/videobuf-dma-sg.c | 117 +++++++++--------- drivers/media/video/videobuf-vmalloc.c | 2 +- include/media/videobuf-dma-sg.h | 14 +-- 18 files changed, 109 insertions(+), 108 deletions(-) diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig index a86504587447..b9b38d9ff650 100644 --- a/drivers/media/Kconfig +++ b/drivers/media/Kconfig @@ -160,7 +160,7 @@ config VIDEOBUF_GEN tristate config VIDEOBUF_DMA_SG - depends on PCI || ARCH_PXA + depends on HAS_DMA select VIDEOBUF_GEN tristate diff --git a/drivers/media/common/saa7146_vbi.c b/drivers/media/common/saa7146_vbi.c index bfbd5a841ebf..74e2b56ecb5b 100644 --- a/drivers/media/common/saa7146_vbi.c +++ b/drivers/media/common/saa7146_vbi.c @@ -407,8 +407,8 @@ static int vbi_open(struct saa7146_dev *dev, struct file *file) fh->vbi_fmt.start[1] = 312; fh->vbi_fmt.count[1] = 16; - videobuf_queue_pci_init(&fh->vbi_q, &vbi_qops, - dev->pci, &dev->slock, + videobuf_queue_sg_init(&fh->vbi_q, &vbi_qops, + &dev->pci->dev, &dev->slock, V4L2_BUF_TYPE_VBI_CAPTURE, V4L2_FIELD_SEQ_TB, // FIXME: does this really work? sizeof(struct saa7146_buf), diff --git a/drivers/media/common/saa7146_video.c b/drivers/media/common/saa7146_video.c index 66fdbd0e6a6d..3cbc6ebbe649 100644 --- a/drivers/media/common/saa7146_video.c +++ b/drivers/media/common/saa7146_video.c @@ -1410,8 +1410,8 @@ static int video_open(struct saa7146_dev *dev, struct file *file) sfmt = format_by_fourcc(dev,fh->video_fmt.pixelformat); fh->video_fmt.sizeimage = (fh->video_fmt.width * fh->video_fmt.height * sfmt->depth)/8; - videobuf_queue_pci_init(&fh->video_q, &video_qops, - dev->pci, &dev->slock, + videobuf_queue_sg_init(&fh->video_q, &video_qops, + &dev->pci->dev, &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, sizeof(struct saa7146_buf), diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index fcf8f2d208a8..af2c0c994186 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -2372,7 +2372,7 @@ static int setup_window(struct bttv_fh *fh, struct bttv *btv, if (check_btres(fh, RESOURCE_OVERLAY)) { struct bttv_buffer *new; - new = videobuf_pci_alloc(sizeof(*new)); + new = videobuf_sg_alloc(sizeof(*new)); new->crop = btv->crop[!!fh->do_crop].rect; bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); retval = bttv_switch_overlay(btv,fh,new); @@ -2760,7 +2760,7 @@ static int bttv_overlay(struct file *file, void *f, unsigned int on) mutex_lock(&fh->cap.vb_lock); if (on) { fh->ov.tvnorm = btv->tvnorm; - new = videobuf_pci_alloc(sizeof(*new)); + new = videobuf_sg_alloc(sizeof(*new)); new->crop = btv->crop[!!fh->do_crop].rect; bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); } else { @@ -2834,7 +2834,7 @@ static int bttv_s_fbuf(struct file *file, void *f, if (check_btres(fh, RESOURCE_OVERLAY)) { struct bttv_buffer *new; - new = videobuf_pci_alloc(sizeof(*new)); + new = videobuf_sg_alloc(sizeof(*new)); new->crop = btv->crop[!!fh->do_crop].rect; bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); retval = bttv_switch_overlay(btv, fh, new); @@ -3184,7 +3184,7 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait) /* need to capture a new frame */ if (locked_btres(fh->btv,RESOURCE_VIDEO_STREAM)) goto err; - fh->cap.read_buf = videobuf_pci_alloc(fh->cap.msize); + fh->cap.read_buf = videobuf_sg_alloc(fh->cap.msize); if (NULL == fh->cap.read_buf) goto err; fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR; @@ -3251,14 +3251,14 @@ static int bttv_open(struct inode *inode, struct file *file) fh->ov.setup_ok = 0; v4l2_prio_open(&btv->prio,&fh->prio); - videobuf_queue_pci_init(&fh->cap, &bttv_video_qops, - btv->c.pci, &btv->s_lock, + videobuf_queue_sg_init(&fh->cap, &bttv_video_qops, + &btv->c.pci->dev, &btv->s_lock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, sizeof(struct bttv_buffer), fh); - videobuf_queue_pci_init(&fh->vbi, &bttv_vbi_qops, - btv->c.pci, &btv->s_lock, + videobuf_queue_sg_init(&fh->vbi, &bttv_vbi_qops, + &btv->c.pci->dev, &btv->s_lock, V4L2_BUF_TYPE_VBI_CAPTURE, V4L2_FIELD_SEQ_TB, sizeof(struct bttv_buffer), diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c index ed465c007cea..6c21779852fb 100644 --- a/drivers/media/video/cx23885/cx23885-dvb.c +++ b/drivers/media/video/cx23885/cx23885-dvb.c @@ -349,7 +349,7 @@ int cx23885_dvb_register(struct cx23885_tsport *port) /* dvb stuff */ printk("%s: cx23885 based dvb card\n", dev->name); - videobuf_queue_pci_init(&port->dvb.dvbq, &dvb_qops, dev->pci, &port->slock, + videobuf_queue_sg_init(&port->dvb.dvbq, &dvb_qops, &dev->pci->dev, &port->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP, sizeof(struct cx23885_buffer), port); err = dvb_register(port); diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c index d3c4d2c5cbe0..45bf2146a193 100644 --- a/drivers/media/video/cx23885/cx23885-video.c +++ b/drivers/media/video/cx23885/cx23885-video.c @@ -765,8 +765,8 @@ static int video_open(struct inode *inode, struct file *file) fh->height = 240; fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); - videobuf_queue_pci_init(&fh->vidq, &cx23885_video_qops, - dev->pci, &dev->slock, + videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops, + &dev->pci->dev, &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, sizeof(struct cx23885_buffer), diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c index 316b106c3511..2f5a4a4ba407 100644 --- a/drivers/media/video/cx88/cx88-alsa.c +++ b/drivers/media/video/cx88/cx88-alsa.c @@ -283,7 +283,7 @@ static int dsp_buffer_free(snd_cx88_card_t *chip) BUG_ON(!chip->dma_size); dprintk(2,"Freeing buffer\n"); - videobuf_pci_dma_unmap(chip->pci, chip->dma_risc); + videobuf_sg_dma_unmap(&chip->pci->dev, chip->dma_risc); videobuf_dma_free(chip->dma_risc); btcx_riscmem_free(chip->pci,&chip->buf->risc); kfree(chip->buf); @@ -385,7 +385,7 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream, BUG_ON(!chip->dma_size); BUG_ON(chip->num_periods & (chip->num_periods-1)); - buf = videobuf_pci_alloc(sizeof(*buf)); + buf = videobuf_sg_alloc(sizeof(*buf)); if (NULL == buf) return -ENOMEM; @@ -396,14 +396,14 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream, buf->vb.height = chip->num_periods; buf->vb.size = chip->dma_size; - dma=videobuf_to_dma(&buf->vb); + dma = videobuf_to_dma(&buf->vb); videobuf_dma_init(dma); ret = videobuf_dma_init_kernel(dma, PCI_DMA_FROMDEVICE, (PAGE_ALIGN(buf->vb.size) >> PAGE_SHIFT)); if (ret < 0) goto error; - ret = videobuf_pci_dma_map(chip->pci,dma); + ret = videobuf_sg_dma_map(&chip->pci->dev, dma); if (ret < 0) goto error; diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c index c37269074524..d582395805df 100644 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ b/drivers/media/video/cx88/cx88-blackbird.c @@ -1087,8 +1087,8 @@ static int mpeg_open(struct inode *inode, struct file *file) file->private_data = fh; fh->dev = dev; - videobuf_queue_pci_init(&fh->mpegq, &blackbird_qops, - dev->pci, &dev->slock, + videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops, + &dev->pci->dev, &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, sizeof(struct cx88_buffer), diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index 7586fe31f643..fa21666966e6 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -744,8 +744,8 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv) /* dvb stuff */ printk(KERN_INFO "%s/2: cx2388x based DVB/ATSC card\n", core->name); - videobuf_queue_pci_init(&dev->dvb.dvbq, &dvb_qops, - dev->pci, &dev->slock, + videobuf_queue_sg_init(&dev->dvb.dvbq, &dvb_qops, + &dev->pci->dev, &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP, sizeof(struct cx88_buffer), diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c index 8b293a3357b2..c30356bb35e9 100644 --- a/drivers/media/video/cx88/cx88-video.c +++ b/drivers/media/video/cx88/cx88-video.c @@ -776,14 +776,14 @@ static int video_open(struct inode *inode, struct file *file) fh->height = 240; fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); - videobuf_queue_pci_init(&fh->vidq, &cx8800_video_qops, - dev->pci, &dev->slock, + videobuf_queue_sg_init(&fh->vidq, &cx8800_video_qops, + &dev->pci->dev, &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, sizeof(struct cx88_buffer), fh); - videobuf_queue_pci_init(&fh->vbiq, &cx8800_vbi_qops, - dev->pci, &dev->slock, + videobuf_queue_sg_init(&fh->vbiq, &cx8800_vbi_qops, + &dev->pci->dev, &dev->slock, V4L2_BUF_TYPE_VBI_CAPTURE, V4L2_FIELD_SEQ_TB, sizeof(struct cx88_buffer), diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c index 505bc0a478af..048081be91fe 100644 --- a/drivers/media/video/saa7134/saa7134-alsa.c +++ b/drivers/media/video/saa7134/saa7134-alsa.c @@ -503,7 +503,7 @@ 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_pci_dma_unmap(dev->pci, &dev->dmasound.dma); + videobuf_sg_dma_unmap(&dev->pci->dev, &dev->dmasound.dma); dsp_buffer_free(dev); substream->runtime->dma_area = NULL; } @@ -519,12 +519,12 @@ static int snd_card_saa7134_hw_params(struct snd_pcm_substream * substream, return err; } - if (0 != (err = videobuf_pci_dma_map(dev->pci, &dev->dmasound.dma))) { + if (0 != (err = videobuf_sg_dma_map(&dev->pci->dev, &dev->dmasound.dma))) { dsp_buffer_free(dev); return err; } if (0 != (err = saa7134_pgtable_alloc(dev->pci,&dev->dmasound.pt))) { - videobuf_pci_dma_unmap(dev->pci, &dev->dmasound.dma); + videobuf_sg_dma_unmap(&dev->pci->dev, &dev->dmasound.dma); dsp_buffer_free(dev); return err; } @@ -533,7 +533,7 @@ 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_pci_dma_unmap(dev->pci, &dev->dmasound.dma); + videobuf_sg_dma_unmap(&dev->pci->dev, &dev->dmasound.dma); dsp_buffer_free(dev); return err; } @@ -569,7 +569,7 @@ 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_pci_dma_unmap(dev->pci, &dev->dmasound.dma); + videobuf_sg_dma_unmap(&dev->pci->dev, &dev->dmasound.dma); dsp_buffer_free(dev); substream->runtime->dma_area = NULL; } diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c index b55df4877aff..eabc67d03b2c 100644 --- a/drivers/media/video/saa7134/saa7134-dvb.c +++ b/drivers/media/video/saa7134/saa7134-dvb.c @@ -899,8 +899,8 @@ static int dvb_init(struct saa7134_dev *dev) dev->ts.nr_bufs = 32; dev->ts.nr_packets = 32*4; dev->dvb.name = dev->name; - videobuf_queue_pci_init(&dev->dvb.dvbq, &saa7134_ts_qops, - dev->pci, &dev->slock, + videobuf_queue_sg_init(&dev->dvb.dvbq, &saa7134_ts_qops, + &dev->pci->dev, &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_ALTERNATE, sizeof(struct saa7134_buf), diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index 40d4a66b77f5..e002be568c21 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -427,8 +427,8 @@ static int empress_init(struct saa7134_dev *dev) printk(KERN_INFO "%s: registered device video%d [mpeg]\n", dev->name,dev->empress_dev->minor & 0x1f); - videobuf_queue_pci_init(&dev->empress_tsq, &saa7134_ts_qops, - dev->pci, &dev->slock, + videobuf_queue_sg_init(&dev->empress_tsq, &saa7134_ts_qops, + &dev->pci->dev, &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_ALTERNATE, sizeof(struct saa7134_buf), diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index 5385026a85ef..ecc5243da57e 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -1350,14 +1350,14 @@ static int video_open(struct inode *inode, struct file *file) fh->height = 576; v4l2_prio_open(&dev->prio,&fh->prio); - videobuf_queue_pci_init(&fh->cap, &video_qops, - dev->pci, &dev->slock, + videobuf_queue_sg_init(&fh->cap, &video_qops, + &dev->pci->dev, &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, sizeof(struct saa7134_buf), fh); - videobuf_queue_pci_init(&fh->vbi, &saa7134_vbi_qops, - dev->pci, &dev->slock, + videobuf_queue_sg_init(&fh->vbi, &saa7134_vbi_qops, + &dev->pci->dev, &dev->slock, V4L2_BUF_TYPE_VBI_CAPTURE, V4L2_FIELD_SEQ_TB, sizeof(struct saa7134_buf), diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c index 904e9dfc1a89..c947525c3f2f 100644 --- a/drivers/media/video/soc_camera.c +++ b/drivers/media/video/soc_camera.c @@ -210,7 +210,7 @@ static int soc_camera_open(struct inode *inode, struct file *file) /* We must pass NULL as dev pointer, then all pci_* dma operations * transform to normal dma_* ones. Do we need an irqlock? */ - videobuf_queue_pci_init(&icf->vb_vidq, ici->vbq_ops, NULL, NULL, + videobuf_queue_sg_init(&icf->vb_vidq, ici->vbq_ops, NULL, NULL, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_NONE, ici->msize, icd); diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c index 7008afabe92c..6141a13bfc97 100644 --- a/drivers/media/video/videobuf-dma-sg.c +++ b/drivers/media/video/videobuf-dma-sg.c @@ -1,5 +1,5 @@ /* - * helper functions for PCI DMA video4linux capture buffers + * helper functions for SG DMA video4linux capture buffers * * The functions expect the hardware being able to scatter gatter * (i.e. the buffers are not linear in physical memory, but fragmented @@ -24,7 +24,7 @@ #include #include -#include +#include #include #include #include @@ -42,7 +42,7 @@ static int debug; module_param(debug, int, 0644); -MODULE_DESCRIPTION("helper module to manage video4linux pci dma sg buffers"); +MODULE_DESCRIPTION("helper module to manage video4linux dma sg buffers"); MODULE_AUTHOR("Mauro Carvalho Chehab "); MODULE_LICENSE("GPL"); @@ -119,10 +119,10 @@ videobuf_pages_to_sg(struct page **pages, int nr_pages, int offset) struct videobuf_dmabuf *videobuf_to_dma (struct videobuf_buffer *buf) { - struct videbuf_pci_sg_memory *mem=buf->priv; - BUG_ON (!mem); + struct videobuf_dma_sg_memory *mem = buf->priv; + BUG_ON(!mem); - MAGIC_CHECK(mem->magic,MAGIC_SG_MEM); + MAGIC_CHECK(mem->magic, MAGIC_SG_MEM); return &mem->dma; } @@ -141,9 +141,14 @@ static int videobuf_dma_init_user_locked(struct videobuf_dmabuf *dma, dma->direction = direction; switch (dma->direction) { - case PCI_DMA_FROMDEVICE: rw = READ; break; - case PCI_DMA_TODEVICE: rw = WRITE; break; - default: BUG(); + case DMA_FROM_DEVICE: + rw = READ; + break; + case DMA_TO_DEVICE: + rw = WRITE; + break; + default: + BUG(); } first = (data & PAGE_MASK) >> PAGE_SHIFT; @@ -216,10 +221,8 @@ int videobuf_dma_init_overlay(struct videobuf_dmabuf *dma, int direction, return 0; } -int videobuf_dma_map(struct videobuf_queue* q,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); @@ -245,7 +248,7 @@ int videobuf_dma_map(struct videobuf_queue* q,struct videobuf_dmabuf *dma) return -ENOMEM; } if (!dma->bus_addr) { - dma->sglen = pci_map_sg(dev,dma->sglist, + dma->sglen = dma_map_sg(q->dev, dma->sglist, dma->nr_pages, dma->direction); if (0 == dma->sglen) { printk(KERN_WARNING @@ -259,14 +262,12 @@ int videobuf_dma_map(struct videobuf_queue* q,struct videobuf_dmabuf *dma) return 0; } -int videobuf_dma_sync(struct videobuf_queue *q,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); + MAGIC_CHECK(dma->magic, MAGIC_DMABUF); BUG_ON(!dma->sglen); - pci_dma_sync_sg_for_cpu (dev,dma->sglist,dma->nr_pages,dma->direction); + dma_sync_sg_for_cpu(q->dev, dma->sglist, dma->nr_pages, dma->direction); return 0; } @@ -274,11 +275,11 @@ int videobuf_dma_unmap(struct videobuf_queue* q,struct videobuf_dmabuf *dma) { void *dev=q->dev; - MAGIC_CHECK(dma->magic,MAGIC_DMABUF); + MAGIC_CHECK(dma->magic, MAGIC_DMABUF); if (!dma->sglen) return 0; - pci_unmap_sg (dev,dma->sglist,dma->nr_pages,dma->direction); + dma_unmap_sg(q->dev, dma->sglist, dma->nr_pages, dma->direction); kfree(dma->sglist); dma->sglist = NULL; @@ -306,28 +307,28 @@ int videobuf_dma_free(struct videobuf_dmabuf *dma) if (dma->bus_addr) { dma->bus_addr = 0; } - dma->direction = PCI_DMA_NONE; + dma->direction = DMA_NONE; return 0; } /* --------------------------------------------------------------------- */ -int videobuf_pci_dma_map(struct pci_dev *pci,struct videobuf_dmabuf *dma) +int videobuf_sg_dma_map(struct device *dev, struct videobuf_dmabuf *dma) { struct videobuf_queue q; - q.dev=pci; + q.dev = dev; - return (videobuf_dma_map(&q,dma)); + return videobuf_dma_map(&q, dma); } -int videobuf_pci_dma_unmap(struct pci_dev *pci,struct videobuf_dmabuf *dma) +int videobuf_sg_dma_unmap(struct device *dev, struct videobuf_dmabuf *dma) { struct videobuf_queue q; - q.dev=pci; + q.dev = dev; - return (videobuf_dma_unmap(&q,dma)); + return videobuf_dma_unmap(&q, dma); } /* --------------------------------------------------------------------- */ @@ -347,7 +348,7 @@ videobuf_vm_close(struct vm_area_struct *vma) { struct videobuf_mapping *map = vma->vm_private_data; struct videobuf_queue *q = map->q; - struct videbuf_pci_sg_memory *mem; + struct videobuf_dma_sg_memory *mem; int i; dprintk(2,"vm_close %p [count=%d,vma=%08lx-%08lx]\n",map, @@ -409,18 +410,18 @@ static struct vm_operations_struct videobuf_vm_ops = }; /* --------------------------------------------------------------------- - * PCI handlers for the generic methods + * SG handlers for the generic methods */ /* Allocated area consists on 3 parts: struct video_buffer struct _buffer (cx88_buffer, saa7134_buf, ...) - struct videobuf_pci_sg_memory + struct videobuf_dma_sg_memory */ static void *__videobuf_alloc(size_t size) { - struct videbuf_pci_sg_memory *mem; + struct videobuf_dma_sg_memory *mem; struct videobuf_buffer *vb; vb = kzalloc(size+sizeof(*mem),GFP_KERNEL); @@ -443,10 +444,10 @@ static int __videobuf_iolock (struct videobuf_queue* q, { int err,pages; dma_addr_t bus; - struct videbuf_pci_sg_memory *mem=vb->priv; + struct videobuf_dma_sg_memory *mem = vb->priv; BUG_ON(!mem); - MAGIC_CHECK(mem->magic,MAGIC_SG_MEM); + MAGIC_CHECK(mem->magic, MAGIC_SG_MEM); switch (vb->memory) { case V4L2_MEMORY_MMAP: @@ -455,14 +456,14 @@ static int __videobuf_iolock (struct videobuf_queue* q, /* no userspace addr -- kernel bounce buffer */ pages = PAGE_ALIGN(vb->size) >> PAGE_SHIFT; err = videobuf_dma_init_kernel( &mem->dma, - PCI_DMA_FROMDEVICE, + DMA_FROM_DEVICE, pages ); if (0 != err) return err; } else if (vb->memory == V4L2_MEMORY_USERPTR) { /* dma directly to userspace */ err = videobuf_dma_init_user( &mem->dma, - PCI_DMA_FROMDEVICE, + DMA_FROM_DEVICE, vb->baddr,vb->bsize ); if (0 != err) return err; @@ -473,7 +474,7 @@ static int __videobuf_iolock (struct videobuf_queue* q, locking inversion, so don't take it here */ err = videobuf_dma_init_user_locked(&mem->dma, - PCI_DMA_FROMDEVICE, + DMA_FROM_DEVICE, vb->baddr, vb->bsize); if (0 != err) return err; @@ -490,7 +491,7 @@ static int __videobuf_iolock (struct videobuf_queue* q, */ bus = (dma_addr_t)(unsigned long)fbuf->base + vb->boff; pages = PAGE_ALIGN(vb->size) >> PAGE_SHIFT; - err = videobuf_dma_init_overlay(&mem->dma,PCI_DMA_FROMDEVICE, + err = videobuf_dma_init_overlay(&mem->dma, DMA_FROM_DEVICE, bus, pages); if (0 != err) return err; @@ -498,7 +499,7 @@ static int __videobuf_iolock (struct videobuf_queue* q, default: BUG(); } - err = videobuf_dma_map(q,&mem->dma); + err = videobuf_dma_map(q, &mem->dma); if (0 != err) return err; @@ -508,8 +509,8 @@ static int __videobuf_iolock (struct videobuf_queue* q, static int __videobuf_sync(struct videobuf_queue *q, struct videobuf_buffer *buf) { - struct videbuf_pci_sg_memory *mem=buf->priv; - BUG_ON (!mem); + struct videobuf_dma_sg_memory *mem = buf->priv; + BUG_ON(!mem); MAGIC_CHECK(mem->magic,MAGIC_SG_MEM); return videobuf_dma_sync(q,&mem->dma); @@ -532,7 +533,7 @@ static int __videobuf_mmap_free(struct videobuf_queue *q) static int __videobuf_mmap_mapper(struct videobuf_queue *q, struct vm_area_struct *vma) { - struct videbuf_pci_sg_memory *mem; + struct videobuf_dma_sg_memory *mem; struct videobuf_mapping *map; unsigned int first,last,size,i; int retval; @@ -552,7 +553,7 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q, if (NULL == q->bufs[first]) continue; mem=q->bufs[first]->priv; - BUG_ON (!mem); + BUG_ON(!mem); MAGIC_CHECK(mem->magic,MAGIC_SG_MEM); if (V4L2_MEMORY_MMAP != q->bufs[first]->memory) @@ -615,8 +616,8 @@ static int __videobuf_copy_to_user ( struct videobuf_queue *q, char __user *data, size_t count, int nonblocking ) { - struct videbuf_pci_sg_memory *mem=q->read_buf->priv; - BUG_ON (!mem); + struct videobuf_dma_sg_memory *mem = q->read_buf->priv; + BUG_ON(!mem); MAGIC_CHECK(mem->magic,MAGIC_SG_MEM); /* copy to userspace */ @@ -634,8 +635,8 @@ static int __videobuf_copy_stream ( struct videobuf_queue *q, int vbihack, int nonblocking ) { unsigned int *fc; - struct videbuf_pci_sg_memory *mem=q->read_buf->priv; - BUG_ON (!mem); + struct videobuf_dma_sg_memory *mem = q->read_buf->priv; + BUG_ON(!mem); MAGIC_CHECK(mem->magic,MAGIC_SG_MEM); if (vbihack) { @@ -658,7 +659,7 @@ static int __videobuf_copy_stream ( struct videobuf_queue *q, return count; } -static struct videobuf_qtype_ops pci_ops = { +static struct videobuf_qtype_ops sg_ops = { .magic = MAGIC_QTYPE_OPS, .alloc = __videobuf_alloc, @@ -670,21 +671,21 @@ static struct videobuf_qtype_ops pci_ops = { .copy_stream = __videobuf_copy_stream, }; -void *videobuf_pci_alloc (size_t size) +void *videobuf_sg_alloc(size_t size) { struct videobuf_queue q; /* Required to make generic handler to call __videobuf_alloc */ - q.int_ops=&pci_ops; + q.int_ops = &sg_ops; - q.msize=size; + q.msize = size; - return videobuf_alloc (&q); + return videobuf_alloc(&q); } -void videobuf_queue_pci_init(struct videobuf_queue* q, +void videobuf_queue_sg_init(struct videobuf_queue* q, struct videobuf_queue_ops *ops, - void *dev, + struct device *dev, spinlock_t *irqlock, enum v4l2_buf_type type, enum v4l2_field field, @@ -692,7 +693,7 @@ void videobuf_queue_pci_init(struct videobuf_queue* q, void *priv) { videobuf_queue_core_init(q, ops, dev, irqlock, type, field, msize, - priv, &pci_ops); + priv, &sg_ops); } /* --------------------------------------------------------------------- */ @@ -709,11 +710,11 @@ 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_pci_alloc); +EXPORT_SYMBOL_GPL(videobuf_sg_dma_map); +EXPORT_SYMBOL_GPL(videobuf_sg_dma_unmap); +EXPORT_SYMBOL_GPL(videobuf_sg_alloc); -EXPORT_SYMBOL_GPL(videobuf_queue_pci_init); +EXPORT_SYMBOL_GPL(videobuf_queue_sg_init); /* * Local variables: diff --git a/drivers/media/video/videobuf-vmalloc.c b/drivers/media/video/videobuf-vmalloc.c index 3de3c8920175..4a2508dfa0e3 100644 --- a/drivers/media/video/videobuf-vmalloc.c +++ b/drivers/media/video/videobuf-vmalloc.c @@ -102,7 +102,7 @@ static struct vm_operations_struct videobuf_vm_ops = /* Allocated area consists on 3 parts: struct video_buffer struct _buffer (cx88_buffer, saa7134_buf, ...) - struct videobuf_pci_sg_memory + struct videobuf_dma_sg_memory */ static void *__videobuf_alloc(size_t size) diff --git a/include/media/videobuf-dma-sg.h b/include/media/videobuf-dma-sg.h index 38105031db23..b6ab08045de6 100644 --- a/include/media/videobuf-dma-sg.h +++ b/include/media/videobuf-dma-sg.h @@ -1,5 +1,5 @@ /* - * helper functions for PCI DMA video4linux capture buffers + * helper functions for SG DMA video4linux capture buffers * * The functions expect the hardware being able to scatter gatter * (i.e. the buffers are not linear in physical memory, but fragmented @@ -81,7 +81,7 @@ struct videobuf_dmabuf { int direction; }; -struct videbuf_pci_sg_memory +struct videobuf_dma_sg_memory { u32 magic; @@ -103,11 +103,11 @@ int videobuf_dma_sync(struct videobuf_queue* q,struct videobuf_dmabuf *dma); int videobuf_dma_unmap(struct videobuf_queue* q,struct videobuf_dmabuf *dma); struct videobuf_dmabuf *videobuf_to_dma (struct videobuf_buffer *buf); -void *videobuf_pci_alloc (size_t size); +void *videobuf_sg_alloc(size_t size); -void videobuf_queue_pci_init(struct videobuf_queue* q, +void videobuf_queue_sg_init(struct videobuf_queue* q, struct videobuf_queue_ops *ops, - void *dev, + struct device *dev, spinlock_t *irqlock, enum v4l2_buf_type type, enum v4l2_field field, @@ -117,6 +117,6 @@ void videobuf_queue_pci_init(struct videobuf_queue* q, /*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); +int videobuf_sg_dma_map(struct device *dev, struct videobuf_dmabuf *dma); +int videobuf_sg_dma_unmap(struct device *dev, struct videobuf_dmabuf *dma); -- GitLab