diff options
Diffstat (limited to 'drivers/media/pci/cx25821')
| -rw-r--r-- | drivers/media/pci/cx25821/Kconfig | 3 | ||||
| -rw-r--r-- | drivers/media/pci/cx25821/Makefile | 3 | ||||
| -rw-r--r-- | drivers/media/pci/cx25821/cx25821-alsa.c | 113 | ||||
| -rw-r--r-- | drivers/media/pci/cx25821/cx25821-core.c | 112 | ||||
| -rw-r--r-- | drivers/media/pci/cx25821/cx25821-video.c | 685 | ||||
| -rw-r--r-- | drivers/media/pci/cx25821/cx25821.h | 48 |
6 files changed, 358 insertions, 606 deletions
diff --git a/drivers/media/pci/cx25821/Kconfig b/drivers/media/pci/cx25821/Kconfig index 6439a847680c..1755d3d2feaa 100644 --- a/drivers/media/pci/cx25821/Kconfig +++ b/drivers/media/pci/cx25821/Kconfig @@ -2,8 +2,7 @@ config VIDEO_CX25821 tristate "Conexant cx25821 support" depends on VIDEO_DEV && PCI && I2C select I2C_ALGOBIT - select VIDEO_BTCX - select VIDEOBUF_DMA_SG + select VIDEOBUF2_DMA_SG ---help--- This is a video4linux driver for Conexant 25821 based TV cards. diff --git a/drivers/media/pci/cx25821/Makefile b/drivers/media/pci/cx25821/Makefile index fb76c3d3713a..c8f8598a2b86 100644 --- a/drivers/media/pci/cx25821/Makefile +++ b/drivers/media/pci/cx25821/Makefile @@ -1,9 +1,8 @@ cx25821-y := cx25821-core.o cx25821-cards.o cx25821-i2c.o \ cx25821-gpio.o cx25821-medusa-video.o \ - cx25821-video.o cx25821-video-upstream.o + cx25821-video.o obj-$(CONFIG_VIDEO_CX25821) += cx25821.o obj-$(CONFIG_VIDEO_CX25821_ALSA) += cx25821-alsa.o ccflags-y += -Idrivers/media/i2c -ccflags-y += -Idrivers/media/common diff --git a/drivers/media/pci/cx25821/cx25821-alsa.c b/drivers/media/pci/cx25821/cx25821-alsa.c index 2dd5bcaa7e53..24f964bcc53a 100644 --- a/drivers/media/pci/cx25821/cx25821-alsa.c +++ b/drivers/media/pci/cx25821/cx25821-alsa.c @@ -63,8 +63,11 @@ static int devno; struct cx25821_audio_buffer { unsigned int bpl; - struct btcx_riscmem risc; - struct videobuf_dmabuf dma; + struct cx25821_riscmem risc; + void *vaddr; + struct scatterlist *sglist; + int sglen; + int nr_pages; }; struct cx25821_audio_dev { @@ -87,8 +90,6 @@ struct cx25821_audio_dev { unsigned int period_size; unsigned int num_periods; - struct videobuf_dmabuf *dma_risc; - struct cx25821_audio_buffer *buf; struct snd_pcm_substream *substream; @@ -142,6 +143,83 @@ MODULE_PARM_DESC(debug, "enable debug messages"); #define PCI_MSK_AUD_EXT (1 << 4) #define PCI_MSK_AUD_INT (1 << 3) + +static int cx25821_alsa_dma_init(struct cx25821_audio_dev *chip, int nr_pages) +{ + struct cx25821_audio_buffer *buf = chip->buf; + struct page *pg; + int i; + + buf->vaddr = vmalloc_32(nr_pages << PAGE_SHIFT); + if (NULL == buf->vaddr) { + 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)buf->vaddr, + nr_pages << PAGE_SHIFT); + + memset(buf->vaddr, 0, nr_pages << PAGE_SHIFT); + buf->nr_pages = nr_pages; + + buf->sglist = vzalloc(buf->nr_pages * sizeof(*buf->sglist)); + if (NULL == buf->sglist) + goto vzalloc_err; + + sg_init_table(buf->sglist, buf->nr_pages); + for (i = 0; i < buf->nr_pages; i++) { + pg = vmalloc_to_page(buf->vaddr + i * PAGE_SIZE); + if (NULL == pg) + goto vmalloc_to_page_err; + sg_set_page(&buf->sglist[i], pg, PAGE_SIZE, 0); + } + return 0; + +vmalloc_to_page_err: + vfree(buf->sglist); + buf->sglist = NULL; +vzalloc_err: + vfree(buf->vaddr); + buf->vaddr = NULL; + return -ENOMEM; +} + +static int cx25821_alsa_dma_map(struct cx25821_audio_dev *dev) +{ + struct cx25821_audio_buffer *buf = dev->buf; + + buf->sglen = dma_map_sg(&dev->pci->dev, buf->sglist, + buf->nr_pages, PCI_DMA_FROMDEVICE); + + if (0 == buf->sglen) { + pr_warn("%s: cx25821_alsa_map_sg failed\n", __func__); + return -ENOMEM; + } + return 0; +} + +static int cx25821_alsa_dma_unmap(struct cx25821_audio_dev *dev) +{ + struct cx25821_audio_buffer *buf = dev->buf; + + if (!buf->sglen) + return 0; + + dma_unmap_sg(&dev->pci->dev, buf->sglist, buf->sglen, PCI_DMA_FROMDEVICE); + buf->sglen = 0; + return 0; +} + +static int cx25821_alsa_dma_free(struct cx25821_audio_buffer *buf) +{ + vfree(buf->sglist); + buf->sglist = NULL; + vfree(buf->vaddr); + buf->vaddr = NULL; + return 0; +} + /* * BOARD Specific: Sets audio DMA */ @@ -330,15 +408,17 @@ out: static int dsp_buffer_free(struct cx25821_audio_dev *chip) { + struct cx25821_riscmem *risc = &chip->buf->risc; + BUG_ON(!chip->dma_size); dprintk(2, "Freeing buffer\n"); - videobuf_dma_unmap(&chip->pci->dev, chip->dma_risc); - videobuf_dma_free(chip->dma_risc); - btcx_riscmem_free(chip->pci, &chip->buf->risc); + cx25821_alsa_dma_unmap(chip); + cx25821_alsa_dma_free(chip->buf); + pci_free_consistent(chip->pci, risc->size, risc->cpu, risc->dma); kfree(chip->buf); - chip->dma_risc = NULL; + chip->buf = NULL; chip->dma_size = 0; return 0; @@ -430,8 +510,6 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { struct cx25821_audio_dev *chip = snd_pcm_substream_chip(substream); - struct videobuf_dmabuf *dma; - struct cx25821_audio_buffer *buf; int ret; @@ -455,19 +533,18 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream, chip->period_size = AUDIO_LINE_SIZE; buf->bpl = chip->period_size; + chip->buf = buf; - dma = &buf->dma; - videobuf_dma_init(dma); - ret = videobuf_dma_init_kernel(dma, PCI_DMA_FROMDEVICE, + ret = cx25821_alsa_dma_init(chip, (PAGE_ALIGN(chip->dma_size) >> PAGE_SHIFT)); if (ret < 0) goto error; - ret = videobuf_dma_map(&chip->pci->dev, dma); + ret = cx25821_alsa_dma_map(chip); if (ret < 0) goto error; - ret = cx25821_risc_databuffer_audio(chip->pci, &buf->risc, dma->sglist, + ret = cx25821_risc_databuffer_audio(chip->pci, &buf->risc, buf->sglist, chip->period_size, chip->num_periods, 1); if (ret < 0) { pr_info("DEBUG: ERROR after cx25821_risc_databuffer_audio()\n"); @@ -479,16 +556,14 @@ static int snd_cx25821_hw_params(struct snd_pcm_substream *substream, buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma); buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ - chip->buf = buf; - chip->dma_risc = dma; - - substream->runtime->dma_area = chip->dma_risc->vaddr; + substream->runtime->dma_area = chip->buf->vaddr; substream->runtime->dma_bytes = chip->dma_size; substream->runtime->dma_addr = 0; return 0; error: + chip->buf = NULL; kfree(buf); return ret; } diff --git a/drivers/media/pci/cx25821/cx25821-core.c b/drivers/media/pci/cx25821/cx25821-core.c index 389fffd2f36f..559f8293c53a 100644 --- a/drivers/media/pci/cx25821/cx25821-core.c +++ b/drivers/media/pci/cx25821/cx25821-core.c @@ -874,10 +874,9 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) if (dev->pci->device != 0x8210) { pr_info("%s(): Exiting. Incorrect Hardware device = 0x%02x\n", __func__, dev->pci->device); - return -1; - } else { - pr_info("Athena Hardware device = 0x%02x\n", dev->pci->device); + return -ENODEV; } + pr_info("Athena Hardware device = 0x%02x\n", dev->pci->device); /* Apply a sensible clock frequency for the PCIe bridge */ dev->clk_freq = 28000000; @@ -966,11 +965,15 @@ void cx25821_dev_unregister(struct cx25821_dev *dev) release_mem_region(dev->base_io_addr, pci_resource_len(dev->pci, 0)); - for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; i++) { + for (i = 0; i < MAX_VID_CAP_CHANNEL_NUM - 1; i++) { if (i == SRAM_CH08) /* audio channel */ continue; + /* + * TODO: enable when video output is properly + * supported. if (i == SRAM_CH09 || i == SRAM_CH10) cx25821_free_mem_upstream(&dev->channels[i]); + */ cx25821_video_unregister(dev, i); } @@ -979,14 +982,41 @@ void cx25821_dev_unregister(struct cx25821_dev *dev) } EXPORT_SYMBOL(cx25821_dev_unregister); +int cx25821_riscmem_alloc(struct pci_dev *pci, + struct cx25821_riscmem *risc, + unsigned int size) +{ + __le32 *cpu; + dma_addr_t dma = 0; + + if (NULL != risc->cpu && risc->size < size) + pci_free_consistent(pci, risc->size, risc->cpu, risc->dma); + if (NULL == risc->cpu) { + cpu = pci_zalloc_consistent(pci, size, &dma); + if (NULL == cpu) + return -ENOMEM; + risc->cpu = cpu; + risc->dma = dma; + risc->size = size; + } + return 0; +} +EXPORT_SYMBOL(cx25821_riscmem_alloc); + static __le32 *cx25821_risc_field(__le32 * rp, struct scatterlist *sglist, unsigned int offset, u32 sync_line, unsigned int bpl, unsigned int padding, - unsigned int lines) + unsigned int lines, bool jump) { struct scatterlist *sg; unsigned int line, todo; + if (jump) { + *(rp++) = cpu_to_le32(RISC_JUMP); + *(rp++) = cpu_to_le32(0); + *(rp++) = cpu_to_le32(0); /* bits 63-32 */ + } + /* sync instruction */ if (sync_line != NO_SYNC_LINE) *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line); @@ -1035,7 +1065,7 @@ static __le32 *cx25821_risc_field(__le32 * rp, struct scatterlist *sglist, return rp; } -int cx25821_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, +int cx25821_risc_buffer(struct pci_dev *pci, struct cx25821_riscmem *risc, struct scatterlist *sglist, unsigned int top_offset, unsigned int bottom_offset, unsigned int bpl, unsigned int padding, unsigned int lines) @@ -1052,14 +1082,14 @@ int cx25821_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, fields++; /* estimate risc mem: worst case is one write per page border + - one write per scan line + syncs + jump (all 2 dwords). Padding + one write per scan line + syncs + jump (all 3 dwords). Padding can cause next bpl to start close to a page border. First DMA region may be smaller than PAGE_SIZE */ /* write and jump need and extra dword */ instructions = fields * (1 + ((bpl + padding) * lines) / PAGE_SIZE + lines); - instructions += 2; - rc = btcx_riscmem_alloc(pci, risc, instructions * 12); + instructions += 5; + rc = cx25821_riscmem_alloc(pci, risc, instructions * 12); if (rc < 0) return rc; @@ -1069,17 +1099,17 @@ int cx25821_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, if (UNSET != top_offset) { rp = cx25821_risc_field(rp, sglist, top_offset, 0, bpl, padding, - lines); + lines, true); } if (UNSET != bottom_offset) { rp = cx25821_risc_field(rp, sglist, bottom_offset, 0x200, bpl, - padding, lines); + padding, lines, UNSET == top_offset); } /* save pointer to jmp instruction address */ risc->jmp = rp; - BUG_ON((risc->jmp - risc->cpu + 2) * sizeof(*risc->cpu) > risc->size); + BUG_ON((risc->jmp - risc->cpu + 3) * sizeof(*risc->cpu) > risc->size); return 0; } @@ -1146,7 +1176,7 @@ static __le32 *cx25821_risc_field_audio(__le32 * rp, struct scatterlist *sglist, } int cx25821_risc_databuffer_audio(struct pci_dev *pci, - struct btcx_riscmem *risc, + struct cx25821_riscmem *risc, struct scatterlist *sglist, unsigned int bpl, unsigned int lines, unsigned int lpi) @@ -1163,7 +1193,7 @@ int cx25821_risc_databuffer_audio(struct pci_dev *pci, instructions = 1 + (bpl * lines) / PAGE_SIZE + lines; instructions += 1; - rc = btcx_riscmem_alloc(pci, risc, instructions * 12); + rc = cx25821_riscmem_alloc(pci, risc, instructions * 12); if (rc < 0) return rc; @@ -1179,40 +1209,14 @@ int cx25821_risc_databuffer_audio(struct pci_dev *pci, } EXPORT_SYMBOL(cx25821_risc_databuffer_audio); -int cx25821_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, - u32 reg, u32 mask, u32 value) -{ - __le32 *rp; - int rc; - - rc = btcx_riscmem_alloc(pci, risc, 4 * 16); - - if (rc < 0) - return rc; - - /* write risc instructions */ - rp = risc->cpu; - - *(rp++) = cpu_to_le32(RISC_WRITECR | RISC_IRQ1); - *(rp++) = cpu_to_le32(reg); - *(rp++) = cpu_to_le32(value); - *(rp++) = cpu_to_le32(mask); - *(rp++) = cpu_to_le32(RISC_JUMP); - *(rp++) = cpu_to_le32(risc->dma); - *(rp++) = cpu_to_le32(0); /* bits 63-32 */ - return 0; -} - -void cx25821_free_buffer(struct videobuf_queue *q, struct cx25821_buffer *buf) +void cx25821_free_buffer(struct cx25821_dev *dev, struct cx25821_buffer *buf) { - struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); - BUG_ON(in_interrupt()); - videobuf_waiton(q, &buf->vb, 0, 0); - videobuf_dma_unmap(q->dev, dma); - videobuf_dma_free(dma); - btcx_riscmem_free(to_pci_dev(q->dev), &buf->risc); - buf->vb.state = VIDEOBUF_NEEDS_INIT; + if (WARN_ON(buf->risc.size == 0)) + return; + pci_free_consistent(dev->pci, + buf->risc.size, buf->risc.cpu, buf->risc.dma); + memset(&buf->risc, 0, sizeof(buf->risc)); } static irqreturn_t cx25821_irq(int irq, void *dev_id) @@ -1297,14 +1301,15 @@ static int cx25821_initdev(struct pci_dev *pci_dev, goto fail_unregister_device; } + dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev); + if (IS_ERR(dev->alloc_ctx)) { + err = PTR_ERR(dev->alloc_ctx); + goto fail_unregister_pci; + } err = cx25821_dev_setup(dev); - if (err) { - if (err == -EBUSY) - goto fail_unregister_device; - else - goto fail_unregister_pci; - } + if (err) + goto fail_free_ctx; /* print pci info */ pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev); @@ -1334,6 +1339,8 @@ fail_irq: pr_info("cx25821_initdev() can't get IRQ !\n"); cx25821_dev_unregister(dev); +fail_free_ctx: + vb2_dma_sg_cleanup_ctx(dev->alloc_ctx); fail_unregister_pci: pci_disable_device(pci_dev); fail_unregister_device: @@ -1357,6 +1364,7 @@ static void cx25821_finidev(struct pci_dev *pci_dev) free_irq(pci_dev->irq, dev); cx25821_dev_unregister(dev); + vb2_dma_sg_cleanup_ctx(dev->alloc_ctx); v4l2_device_unregister(v4l2_dev); kfree(dev); } diff --git a/drivers/media/pci/cx25821/cx25821-video.c b/drivers/media/pci/cx25821/cx25821-video.c index 3a419f134584..7bc495e4ece2 100644 --- a/drivers/media/pci/cx25821/cx25821-video.c +++ b/drivers/media/pci/cx25821/cx25821-video.c @@ -3,7 +3,7 @@ * * Copyright (C) 2009 Conexant Systems Inc. * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> - * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * Based on Steven Toth <stoth@linuxtv.org> cx25821 driver * Parts adapted/taken from Eduardo Moscoso Rubino * Copyright (C) 2009 Eduardo Moscoso Rubino <moscoso@TopoLogica.com> * @@ -46,10 +46,6 @@ static unsigned int irq_debug; module_param(irq_debug, int, 0644); MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); -static unsigned int vid_limit = 16; -module_param(vid_limit, int, 0644); -MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); - #define FORMAT_FLAGS_PACKED 0x01 static const struct cx25821_fmt formats[] = { @@ -76,41 +72,6 @@ static const struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc) return NULL; } -void cx25821_video_wakeup(struct cx25821_dev *dev, struct cx25821_dmaqueue *q, - u32 count) -{ - struct cx25821_buffer *buf; - int bc; - - for (bc = 0;; bc++) { - if (list_empty(&q->active)) { - dprintk(1, "bc=%d (=0: active empty)\n", bc); - break; - } - - buf = list_entry(q->active.next, struct cx25821_buffer, - vb.queue); - - /* count comes from the hw and it is 16bit wide -- - * this trick handles wrap-arounds correctly for - * up to 32767 buffers in flight... */ - if ((s16) (count - buf->count) < 0) - break; - - v4l2_get_timestamp(&buf->vb.ts); - buf->vb.state = VIDEOBUF_DONE; - list_del(&buf->vb.queue); - wake_up(&buf->vb.done); - } - - if (list_empty(&q->active)) - del_timer(&q->timeout); - else - mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); - if (bc != 1) - pr_err("%s: %d buffers handled (should be 1)\n", __func__, bc); -} - int cx25821_start_video_dma(struct cx25821_dev *dev, struct cx25821_dmaqueue *q, struct cx25821_buffer *buf, @@ -123,7 +84,6 @@ int cx25821_start_video_dma(struct cx25821_dev *dev, /* reset counter */ cx_write(channel->gpcnt_ctl, 3); - q->count = 1; /* enable irq */ cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << channel->i)); @@ -139,86 +99,8 @@ int cx25821_start_video_dma(struct cx25821_dev *dev, return 0; } -static int cx25821_restart_video_queue(struct cx25821_dev *dev, - struct cx25821_dmaqueue *q, - const struct sram_channel *channel) -{ - struct cx25821_buffer *buf, *prev; - struct list_head *item; - - if (!list_empty(&q->active)) { - buf = list_entry(q->active.next, struct cx25821_buffer, - vb.queue); - - cx25821_start_video_dma(dev, q, buf, channel); - - list_for_each(item, &q->active) { - buf = list_entry(item, struct cx25821_buffer, vb.queue); - buf->count = q->count++; - } - - mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); - return 0; - } - - prev = NULL; - for (;;) { - if (list_empty(&q->queued)) - return 0; - - buf = list_entry(q->queued.next, struct cx25821_buffer, - vb.queue); - - if (NULL == prev) { - list_move_tail(&buf->vb.queue, &q->active); - cx25821_start_video_dma(dev, q, buf, channel); - buf->vb.state = VIDEOBUF_ACTIVE; - buf->count = q->count++; - mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); - } else if (prev->vb.width == buf->vb.width && - prev->vb.height == buf->vb.height && - prev->fmt == buf->fmt) { - list_move_tail(&buf->vb.queue, &q->active); - buf->vb.state = VIDEOBUF_ACTIVE; - buf->count = q->count++; - prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); - prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ - } else { - return 0; - } - prev = buf; - } -} - -static void cx25821_vid_timeout(unsigned long data) -{ - struct cx25821_data *timeout_data = (struct cx25821_data *)data; - struct cx25821_dev *dev = timeout_data->dev; - const struct sram_channel *channel = timeout_data->channel; - struct cx25821_dmaqueue *q = &dev->channels[channel->i].dma_vidq; - struct cx25821_buffer *buf; - unsigned long flags; - - /* cx25821_sram_channel_dump(dev, channel); */ - cx_clear(channel->dma_ctl, 0x11); - - spin_lock_irqsave(&dev->slock, flags); - while (!list_empty(&q->active)) { - buf = list_entry(q->active.next, struct cx25821_buffer, - vb.queue); - list_del(&buf->vb.queue); - - buf->vb.state = VIDEOBUF_ERROR; - wake_up(&buf->vb.done); - } - - cx25821_restart_video_queue(dev, q, channel); - spin_unlock_irqrestore(&dev->slock, flags); -} - int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) { - u32 count = 0; int handled = 0; u32 mask; const struct sram_channel *channel = dev->channels[chan_num].sram_channels; @@ -239,317 +121,201 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) /* risc1 y */ if (status & FLD_VID_DST_RISC1) { - spin_lock(&dev->slock); - count = cx_read(channel->gpcnt); - cx25821_video_wakeup(dev, &dev->channels[channel->i].dma_vidq, - count); - spin_unlock(&dev->slock); - handled++; - } + struct cx25821_dmaqueue *dmaq = + &dev->channels[channel->i].dma_vidq; + struct cx25821_buffer *buf; - /* risc2 y */ - if (status & 0x10) { - dprintk(2, "stopper video\n"); spin_lock(&dev->slock); - cx25821_restart_video_queue(dev, - &dev->channels[channel->i].dma_vidq, channel); + if (!list_empty(&dmaq->active)) { + buf = list_entry(dmaq->active.next, + struct cx25821_buffer, queue); + + v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp); + buf->vb.v4l2_buf.sequence = dmaq->count++; + list_del(&buf->queue); + vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE); + } spin_unlock(&dev->slock); handled++; } return handled; } -static int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count, - unsigned int *size) +static int cx25821_queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt, + unsigned int *num_buffers, unsigned int *num_planes, + unsigned int sizes[], void *alloc_ctxs[]) { - struct cx25821_channel *chan = q->priv_data; - - *size = chan->fmt->depth * chan->width * chan->height >> 3; + struct cx25821_channel *chan = q->drv_priv; + unsigned size = (chan->fmt->depth * chan->width * chan->height) >> 3; - if (0 == *count) - *count = 32; - - if (*size * *count > vid_limit * 1024 * 1024) - *count = (vid_limit * 1024 * 1024) / *size; + if (fmt && fmt->fmt.pix.sizeimage < size) + return -EINVAL; + *num_planes = 1; + sizes[0] = fmt ? fmt->fmt.pix.sizeimage : size; + alloc_ctxs[0] = chan->dev->alloc_ctx; return 0; } -static int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, - enum v4l2_field field) +static int cx25821_buffer_prepare(struct vb2_buffer *vb) { - struct cx25821_channel *chan = q->priv_data; + struct cx25821_channel *chan = vb->vb2_queue->drv_priv; struct cx25821_dev *dev = chan->dev; struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); - int rc, init_buffer = 0; + struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); u32 line0_offset; - struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); int bpl_local = LINE_SIZE_D1; + int ret; - BUG_ON(NULL == chan->fmt); - if (chan->width < 48 || chan->width > 720 || - chan->height < 32 || chan->height > 576) - return -EINVAL; - - buf->vb.size = (chan->width * chan->height * chan->fmt->depth) >> 3; + if (chan->pixel_formats == PIXEL_FRMT_411) + buf->bpl = (chan->fmt->depth * chan->width) >> 3; + else + buf->bpl = (chan->fmt->depth >> 3) * chan->width; - if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) + if (vb2_plane_size(vb, 0) < chan->height * buf->bpl) return -EINVAL; + vb2_set_plane_payload(vb, 0, chan->height * buf->bpl); + buf->vb.v4l2_buf.field = chan->field; - if (buf->fmt != chan->fmt || - buf->vb.width != chan->width || - buf->vb.height != chan->height || buf->vb.field != field) { - buf->fmt = chan->fmt; - buf->vb.width = chan->width; - buf->vb.height = chan->height; - buf->vb.field = field; - init_buffer = 1; - } + if (chan->pixel_formats == PIXEL_FRMT_411) { + bpl_local = buf->bpl; + } else { + bpl_local = buf->bpl; /* Default */ - if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { - init_buffer = 1; - rc = videobuf_iolock(q, &buf->vb, NULL); - if (0 != rc) { - printk(KERN_DEBUG pr_fmt("videobuf_iolock failed!\n")); - goto fail; + if (chan->use_cif_resolution) { + if (dev->tvnorm & V4L2_STD_625_50) + bpl_local = 352 << 1; + else + bpl_local = chan->cif_width << 1; } } - dprintk(1, "init_buffer=%d\n", init_buffer); - - if (init_buffer) { - if (chan->pixel_formats == PIXEL_FRMT_411) - buf->bpl = (buf->fmt->depth * buf->vb.width) >> 3; - else - buf->bpl = (buf->fmt->depth >> 3) * (buf->vb.width); - - if (chan->pixel_formats == PIXEL_FRMT_411) { - bpl_local = buf->bpl; - } else { - bpl_local = buf->bpl; /* Default */ - - if (chan->use_cif_resolution) { - if (dev->tvnorm & V4L2_STD_625_50) - bpl_local = 352 << 1; - else - bpl_local = chan->cif_width << 1; - } - } - - switch (buf->vb.field) { - case V4L2_FIELD_TOP: - cx25821_risc_buffer(dev->pci, &buf->risc, - dma->sglist, 0, UNSET, - buf->bpl, 0, buf->vb.height); - break; - case V4L2_FIELD_BOTTOM: - cx25821_risc_buffer(dev->pci, &buf->risc, - dma->sglist, UNSET, 0, - buf->bpl, 0, buf->vb.height); - break; - case V4L2_FIELD_INTERLACED: - /* All other formats are top field first */ - line0_offset = 0; - dprintk(1, "top field first\n"); - - cx25821_risc_buffer(dev->pci, &buf->risc, - dma->sglist, line0_offset, - bpl_local, bpl_local, bpl_local, - buf->vb.height >> 1); - break; - case V4L2_FIELD_SEQ_TB: - cx25821_risc_buffer(dev->pci, &buf->risc, - dma->sglist, - 0, buf->bpl * (buf->vb.height >> 1), - buf->bpl, 0, buf->vb.height >> 1); - break; - case V4L2_FIELD_SEQ_BT: - cx25821_risc_buffer(dev->pci, &buf->risc, - dma->sglist, - buf->bpl * (buf->vb.height >> 1), 0, - buf->bpl, 0, buf->vb.height >> 1); - break; - default: - BUG(); - } + switch (chan->field) { + case V4L2_FIELD_TOP: + ret = cx25821_risc_buffer(dev->pci, &buf->risc, + sgt->sgl, 0, UNSET, + buf->bpl, 0, chan->height); + break; + case V4L2_FIELD_BOTTOM: + ret = cx25821_risc_buffer(dev->pci, &buf->risc, + sgt->sgl, UNSET, 0, + buf->bpl, 0, chan->height); + break; + case V4L2_FIELD_INTERLACED: + /* All other formats are top field first */ + line0_offset = 0; + dprintk(1, "top field first\n"); + + ret = cx25821_risc_buffer(dev->pci, &buf->risc, + sgt->sgl, line0_offset, + bpl_local, bpl_local, bpl_local, + chan->height >> 1); + break; + case V4L2_FIELD_SEQ_TB: + ret = cx25821_risc_buffer(dev->pci, &buf->risc, + sgt->sgl, + 0, buf->bpl * (chan->height >> 1), + buf->bpl, 0, chan->height >> 1); + break; + case V4L2_FIELD_SEQ_BT: + ret = cx25821_risc_buffer(dev->pci, &buf->risc, + sgt->sgl, + buf->bpl * (chan->height >> 1), 0, + buf->bpl, 0, chan->height >> 1); + break; + default: + WARN_ON(1); + ret = -EINVAL; + break; } dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", - buf, buf->vb.i, chan->width, chan->height, chan->fmt->depth, - chan->fmt->name, (unsigned long)buf->risc.dma); - - buf->vb.state = VIDEOBUF_PREPARED; - - return 0; + buf, buf->vb.v4l2_buf.index, chan->width, chan->height, + chan->fmt->depth, chan->fmt->name, + (unsigned long)buf->risc.dma); -fail: - cx25821_free_buffer(q, buf); - return rc; + return ret; } -static void cx25821_buffer_release(struct videobuf_queue *q, - struct videobuf_buffer *vb) +static void cx25821_buffer_finish(struct vb2_buffer *vb) { struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); + struct cx25821_channel *chan = vb->vb2_queue->drv_priv; + struct cx25821_dev *dev = chan->dev; - cx25821_free_buffer(q, buf); -} - -static int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct cx25821_channel *chan = video_drvdata(file); - - return videobuf_mmap_mapper(&chan->vidq, vma); + cx25821_free_buffer(dev, buf); } - -static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +static void cx25821_buffer_queue(struct vb2_buffer *vb) { struct cx25821_buffer *buf = container_of(vb, struct cx25821_buffer, vb); - struct cx25821_buffer *prev; - struct cx25821_channel *chan = vq->priv_data; + struct cx25821_channel *chan = vb->vb2_queue->drv_priv; struct cx25821_dev *dev = chan->dev; + struct cx25821_buffer *prev; struct cx25821_dmaqueue *q = &dev->channels[chan->id].dma_vidq; - /* 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[2] = cpu_to_le32(0); /* bits 63-32 */ - - dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]); - - if (!list_empty(&q->queued)) { - list_add_tail(&buf->vb.queue, &q->queued); - buf->vb.state = VIDEOBUF_QUEUED; - dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, - buf->vb.i); - - } else if (list_empty(&q->active)) { - list_add_tail(&buf->vb.queue, &q->active); - cx25821_start_video_dma(dev, q, buf, chan->sram_channels); - buf->vb.state = VIDEOBUF_ACTIVE; - buf->count = q->count++; - mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); - dprintk(2, "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n", - buf, buf->vb.i, buf->count, q->count); + buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12); + buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC); + buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12); + buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ + + if (list_empty(&q->active)) { + list_add_tail(&buf->queue, &q->active); } else { + buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1); prev = list_entry(q->active.prev, struct cx25821_buffer, - vb.queue); - if (prev->vb.width == buf->vb.width - && prev->vb.height == buf->vb.height - && prev->fmt == buf->fmt) { - list_add_tail(&buf->vb.queue, &q->active); - buf->vb.state = VIDEOBUF_ACTIVE; - buf->count = q->count++; - prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); - - /* 64 bit bits 63-32 */ - prev->risc.jmp[2] = cpu_to_le32(0); - dprintk(2, "[%p/%d] buffer_queue - append to active, buf->count=%d\n", - buf, buf->vb.i, buf->count); - - } else { - list_add_tail(&buf->vb.queue, &q->queued); - buf->vb.state = VIDEOBUF_QUEUED; - dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, - buf->vb.i); - } + queue); + list_add_tail(&buf->queue, &q->active); + prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); } - - if (list_empty(&q->active)) - dprintk(2, "active queue empty!\n"); } -static struct videobuf_queue_ops cx25821_video_qops = { - .buf_setup = cx25821_buffer_setup, - .buf_prepare = cx25821_buffer_prepare, - .buf_queue = buffer_queue, - .buf_release = cx25821_buffer_release, -}; - -static ssize_t video_read(struct file *file, char __user * data, size_t count, - loff_t *ppos) +static int cx25821_start_streaming(struct vb2_queue *q, unsigned int count) { - struct v4l2_fh *fh = file->private_data; - struct cx25821_channel *chan = video_drvdata(file); + struct cx25821_channel *chan = q->drv_priv; struct cx25821_dev *dev = chan->dev; - int err = 0; - - if (mutex_lock_interruptible(&dev->lock)) - return -ERESTARTSYS; - if (chan->streaming_fh && chan->streaming_fh != fh) { - err = -EBUSY; - goto unlock; - } - chan->streaming_fh = fh; + struct cx25821_dmaqueue *dmaq = &dev->channels[chan->id].dma_vidq; + struct cx25821_buffer *buf = list_entry(dmaq->active.next, + struct cx25821_buffer, queue); - err = videobuf_read_one(&chan->vidq, data, count, ppos, - file->f_flags & O_NONBLOCK); -unlock: - mutex_unlock(&dev->lock); - return err; -} - -static unsigned int video_poll(struct file *file, - struct poll_table_struct *wait) -{ - struct cx25821_channel *chan = video_drvdata(file); - unsigned long req_events = poll_requested_events(wait); - unsigned int res = v4l2_ctrl_poll(file, wait); - - if (req_events & (POLLIN | POLLRDNORM)) - res |= videobuf_poll_stream(file, &chan->vidq, wait); - return res; - - /* This doesn't belong in poll(). This can be done - * much better with vb2. We keep this code here as a - * reminder. - if ((res & POLLIN) && buf->vb.state == VIDEOBUF_DONE) { - struct cx25821_dev *dev = chan->dev; - - if (dev && chan->use_cif_resolution) { - u8 cam_id = *((char *)buf->vb.baddr + 3); - memcpy((char *)buf->vb.baddr, - (char *)buf->vb.baddr + (chan->width * 2), - (chan->width * 2)); - *((char *)buf->vb.baddr + 3) = cam_id; - } - } - */ + dmaq->count = 0; + cx25821_start_video_dma(dev, dmaq, buf, chan->sram_channels); + return 0; } -static int video_release(struct file *file) +static void cx25821_stop_streaming(struct vb2_queue *q) { - struct cx25821_channel *chan = video_drvdata(file); - struct v4l2_fh *fh = file->private_data; + struct cx25821_channel *chan = q->drv_priv; struct cx25821_dev *dev = chan->dev; - const struct sram_channel *sram_ch = - dev->channels[0].sram_channels; - - mutex_lock(&dev->lock); - /* stop the risc engine and fifo */ - cx_write(sram_ch->dma_ctl, 0); /* FIFO and RISC disable */ + struct cx25821_dmaqueue *dmaq = &dev->channels[chan->id].dma_vidq; + unsigned long flags; - /* stop video capture */ - if (chan->streaming_fh == fh) { - videobuf_queue_cancel(&chan->vidq); - chan->streaming_fh = NULL; - } + cx_write(chan->sram_channels->dma_ctl, 0); /* FIFO and RISC disable */ + spin_lock_irqsave(&dev->slock, flags); + while (!list_empty(&dmaq->active)) { + struct cx25821_buffer *buf = list_entry(dmaq->active.next, + struct cx25821_buffer, queue); - if (chan->vidq.read_buf) { - cx25821_buffer_release(&chan->vidq, chan->vidq.read_buf); - kfree(chan->vidq.read_buf); + list_del(&buf->queue); + vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); } - - videobuf_mmap_free(&chan->vidq); - mutex_unlock(&dev->lock); - - return v4l2_fh_release(file); + spin_unlock_irqrestore(&dev->slock, flags); } +static struct vb2_ops cx25821_video_qops = { + .queue_setup = cx25821_queue_setup, + .buf_prepare = cx25821_buffer_prepare, + .buf_finish = cx25821_buffer_finish, + .buf_queue = cx25821_buffer_queue, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, + .start_streaming = cx25821_start_streaming, + .stop_streaming = cx25821_stop_streaming, +}; + /* VIDEO IOCTLS */ static int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv, @@ -571,7 +337,7 @@ static int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv, f->fmt.pix.width = chan->width; f->fmt.pix.height = chan->height; - f->fmt.pix.field = chan->vidq.field; + f->fmt.pix.field = chan->field; f->fmt.pix.pixelformat = chan->fmt->fourcc; f->fmt.pix.bytesperline = (chan->width * chan->fmt->depth) >> 3; f->fmt.pix.sizeimage = chan->height * f->fmt.pix.bytesperline; @@ -632,7 +398,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, return err; chan->fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat); - chan->vidq.field = f->fmt.pix.field; + chan->field = f->fmt.pix.field; chan->width = f->fmt.pix.width; chan->height = f->fmt.pix.height; @@ -654,47 +420,6 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, return 0; } -static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct cx25821_channel *chan = video_drvdata(file); - - if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - if (chan->streaming_fh && chan->streaming_fh != priv) - return -EBUSY; - chan->streaming_fh = priv; - - return videobuf_streamon(&chan->vidq); -} - -static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct cx25821_channel *chan = video_drvdata(file); - - if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - if (chan->streaming_fh && chan->streaming_fh != priv) - return -EBUSY; - if (chan->streaming_fh == NULL) - return 0; - - chan->streaming_fh = NULL; - return videobuf_streamoff(&chan->vidq); -} - -static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) -{ - int ret_val = 0; - struct cx25821_channel *chan = video_drvdata(file); - - ret_val = videobuf_dqbuf(&chan->vidq, p, file->f_flags & O_NONBLOCK); - p->sequence = chan->dma_vidq.count; - - return ret_val; -} - static int vidioc_log_status(struct file *file, void *priv) { struct cx25821_channel *chan = video_drvdata(file); @@ -729,29 +454,6 @@ static int cx25821_vidioc_querycap(struct file *file, void *priv, return 0; } -static int cx25821_vidioc_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *p) -{ - struct cx25821_channel *chan = video_drvdata(file); - - return videobuf_reqbufs(&chan->vidq, p); -} - -static int cx25821_vidioc_querybuf(struct file *file, void *priv, - struct v4l2_buffer *p) -{ - struct cx25821_channel *chan = video_drvdata(file); - - return videobuf_querybuf(&chan->vidq, p); -} - -static int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct cx25821_channel *chan = video_drvdata(file); - - return videobuf_qbuf(&chan->vidq, p); -} - static int cx25821_vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorms) { struct cx25821_channel *chan = video_drvdata(file); @@ -880,7 +582,7 @@ static int vidioc_s_fmt_vid_out(struct file *file, void *priv, return err; chan->fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat); - chan->vidq.field = f->fmt.pix.field; + chan->field = f->fmt.pix.field; chan->width = f->fmt.pix.width; chan->height = f->fmt.pix.height; if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P) @@ -890,52 +592,6 @@ static int vidioc_s_fmt_vid_out(struct file *file, void *priv, return 0; } -static ssize_t video_write(struct file *file, const char __user *data, size_t count, - loff_t *ppos) -{ - struct cx25821_channel *chan = video_drvdata(file); - struct cx25821_dev *dev = chan->dev; - struct v4l2_fh *fh = file->private_data; - int err = 0; - - if (mutex_lock_interruptible(&dev->lock)) - return -ERESTARTSYS; - if (chan->streaming_fh && chan->streaming_fh != fh) { - err = -EBUSY; - goto unlock; - } - if (!chan->streaming_fh) { - err = cx25821_vidupstream_init(chan, chan->pixel_formats); - if (err) - goto unlock; - chan->streaming_fh = fh; - } - - err = cx25821_write_frame(chan, data, count); - count -= err; - *ppos += err; - -unlock: - mutex_unlock(&dev->lock); - return err; -} - -static int video_out_release(struct file *file) -{ - struct cx25821_channel *chan = video_drvdata(file); - struct cx25821_dev *dev = chan->dev; - struct v4l2_fh *fh = file->private_data; - - mutex_lock(&dev->lock); - if (chan->streaming_fh == fh) { - cx25821_stop_upstream_video(chan); - chan->streaming_fh = NULL; - } - mutex_unlock(&dev->lock); - - return v4l2_fh_release(file); -} - static const struct v4l2_ctrl_ops cx25821_ctrl_ops = { .s_ctrl = cx25821_s_ctrl, }; @@ -943,11 +599,11 @@ static const struct v4l2_ctrl_ops cx25821_ctrl_ops = { static const struct v4l2_file_operations video_fops = { .owner = THIS_MODULE, .open = v4l2_fh_open, - .release = video_release, - .read = video_read, - .poll = video_poll, - .mmap = cx25821_video_mmap, + .release = vb2_fop_release, + .read = vb2_fop_read, + .poll = vb2_fop_poll, .unlocked_ioctl = video_ioctl2, + .mmap = vb2_fop_mmap, }; static const struct v4l2_ioctl_ops video_ioctl_ops = { @@ -956,17 +612,19 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap, .vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap, .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, - .vidioc_reqbufs = cx25821_vidioc_reqbufs, - .vidioc_querybuf = cx25821_vidioc_querybuf, - .vidioc_qbuf = cx25821_vidioc_qbuf, - .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_reqbufs = vb2_ioctl_reqbufs, + .vidioc_prepare_buf = vb2_ioctl_prepare_buf, + .vidioc_create_bufs = vb2_ioctl_create_bufs, + .vidioc_querybuf = vb2_ioctl_querybuf, + .vidioc_qbuf = vb2_ioctl_qbuf, + .vidioc_dqbuf = vb2_ioctl_dqbuf, + .vidioc_streamon = vb2_ioctl_streamon, + .vidioc_streamoff = vb2_ioctl_streamoff, .vidioc_g_std = cx25821_vidioc_g_std, .vidioc_s_std = cx25821_vidioc_s_std, .vidioc_enum_input = cx25821_vidioc_enum_input, .vidioc_g_input = cx25821_vidioc_g_input, .vidioc_s_input = cx25821_vidioc_s_input, - .vidioc_streamon = vidioc_streamon, - .vidioc_streamoff = vidioc_streamoff, .vidioc_log_status = vidioc_log_status, .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, @@ -984,9 +642,11 @@ static const struct video_device cx25821_video_device = { static const struct v4l2_file_operations video_out_fops = { .owner = THIS_MODULE, .open = v4l2_fh_open, - .write = video_write, - .release = video_out_release, + .release = vb2_fop_release, + .write = vb2_fop_write, + .poll = vb2_fop_poll, .unlocked_ioctl = video_ioctl2, + .mmap = vb2_fop_mmap, }; static const struct v4l2_ioctl_ops video_out_ioctl_ops = { @@ -1019,9 +679,6 @@ void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num) if (video_is_registered(&dev->channels[chan_num].vdev)) { video_unregister_device(&dev->channels[chan_num].vdev); v4l2_ctrl_handler_free(&dev->channels[chan_num].hdl); - - btcx_riscmem_free(dev->pci, - &dev->channels[chan_num].dma_vidq.stopper); } } @@ -1035,10 +692,11 @@ int cx25821_video_register(struct cx25821_dev *dev) spin_lock_init(&dev->slock); - for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; ++i) { + for (i = 0; i < MAX_VID_CAP_CHANNEL_NUM - 1; ++i) { struct cx25821_channel *chan = &dev->channels[i]; struct video_device *vdev = &chan->vdev; struct v4l2_ctrl_handler *hdl = &chan->hdl; + struct vb2_queue *q; bool is_output = i > SRAM_CH08; if (i == SRAM_CH08) /* audio channel */ @@ -1066,11 +724,9 @@ int cx25821_video_register(struct cx25821_dev *dev) chan->out->chan = chan; } - cx25821_risc_stopper(dev->pci, &chan->dma_vidq.stopper, - chan->sram_channels->dma_ctl, 0x11, 0); - chan->sram_channels = &cx25821_sram_channels[i]; chan->width = 720; + chan->field = V4L2_FIELD_INTERLACED; if (dev->tvnorm & V4L2_STD_625_50) chan->height = 576; else @@ -1084,19 +740,27 @@ int cx25821_video_register(struct cx25821_dev *dev) cx_write(chan->sram_channels->int_stat, 0xffffffff); INIT_LIST_HEAD(&chan->dma_vidq.active); - INIT_LIST_HEAD(&chan->dma_vidq.queued); - chan->timeout_data.dev = dev; - chan->timeout_data.channel = &cx25821_sram_channels[i]; - chan->dma_vidq.timeout.function = cx25821_vid_timeout; - chan->dma_vidq.timeout.data = (unsigned long)&chan->timeout_data; - init_timer(&chan->dma_vidq.timeout); + q = &chan->vidq; + + q->type = is_output ? V4L2_BUF_TYPE_VIDEO_OUTPUT : + V4L2_BUF_TYPE_VIDEO_CAPTURE; + q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; + q->io_modes |= is_output ? VB2_WRITE : VB2_READ; + q->gfp_flags = GFP_DMA32; + q->min_buffers_needed = 2; + q->drv_priv = chan; + q->buf_struct_size = sizeof(struct cx25821_buffer); + q->ops = &cx25821_video_qops; + q->mem_ops = &vb2_dma_sg_memops; + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->lock = &dev->lock; - if (!is_output) - videobuf_queue_sg_init(&chan->vidq, &cx25821_video_qops, &dev->pci->dev, - &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, - V4L2_FIELD_INTERLACED, sizeof(struct cx25821_buffer), - chan, &dev->lock); + if (!is_output) { + err = vb2_queue_init(q); + if (err < 0) + goto fail_unreg; + } /* register v4l devices */ *vdev = is_output ? cx25821_video_out_device : cx25821_video_device; @@ -1106,6 +770,7 @@ int cx25821_video_register(struct cx25821_dev *dev) else vdev->vfl_dir = VFL_DIR_TX; vdev->lock = &dev->lock; + vdev->queue = q; snprintf(vdev->name, sizeof(vdev->name), "%s #%d", dev->name, i); video_set_drvdata(vdev, chan); diff --git a/drivers/media/pci/cx25821/cx25821.h b/drivers/media/pci/cx25821/cx25821.h index 90bdc196929f..d81a08a2df4f 100644 --- a/drivers/media/pci/cx25821/cx25821.h +++ b/drivers/media/pci/cx25821/cx25821.h @@ -34,9 +34,8 @@ #include <media/v4l2-common.h> #include <media/v4l2-device.h> #include <media/v4l2-ctrls.h> -#include <media/videobuf-dma-sg.h> +#include <media/videobuf2-dma-sg.h> -#include "btcx-risc.h" #include "cx25821-reg.h" #include "cx25821-medusa-reg.h" #include "cx25821-sram.h" @@ -89,6 +88,13 @@ #define CX25821_BOARD_CONEXANT_ATHENA10 1 #define MAX_VID_CHANNEL_NUM 12 + +/* + * Maximum capture-only channels. This can go away once video/audio output + * is fully supported in this driver. + */ +#define MAX_VID_CAP_CHANNEL_NUM 10 + #define VID_CHANNEL_NUM 8 struct cx25821_fmt { @@ -111,16 +117,23 @@ enum cx25821_src_sel_type { CX25821_SRC_SEL_PARALLEL_MPEG_VIDEO }; +struct cx25821_riscmem { + unsigned int size; + __le32 *cpu; + __le32 *jmp; + dma_addr_t dma; +}; + /* buffer for one video frame */ struct cx25821_buffer { /* common v4l buffer stuff -- must be first */ - struct videobuf_buffer vb; + struct vb2_buffer vb; + struct list_head queue; /* cx25821 specific */ unsigned int bpl; - struct btcx_riscmem risc; + struct cx25821_riscmem risc; const struct cx25821_fmt *fmt; - u32 count; }; enum port { @@ -159,17 +172,9 @@ struct cx25821_i2c { struct cx25821_dmaqueue { struct list_head active; - struct list_head queued; - struct timer_list timeout; - struct btcx_riscmem stopper; u32 count; }; -struct cx25821_data { - struct cx25821_dev *dev; - const struct sram_channel *channel; -}; - struct cx25821_dev; struct cx25821_channel; @@ -207,18 +212,17 @@ struct cx25821_video_out_data { struct cx25821_channel { unsigned id; struct cx25821_dev *dev; - struct v4l2_fh *streaming_fh; struct v4l2_ctrl_handler hdl; - struct cx25821_data timeout_data; struct video_device vdev; struct cx25821_dmaqueue dma_vidq; - struct videobuf_queue vidq; + struct vb2_queue vidq; const struct sram_channel *sram_channels; const struct cx25821_fmt *fmt; + unsigned field; unsigned int width, height; int pixel_formats; int use_cif_resolution; @@ -244,6 +248,7 @@ struct cx25821_dev { int hwrevision; /* used by cx25821-alsa */ struct snd_card *card; + void *alloc_ctx; u32 clk_freq; @@ -405,21 +410,22 @@ extern int cx25821_sram_channel_setup(struct cx25821_dev *dev, const struct sram_channel *ch, unsigned int bpl, u32 risc); -extern int cx25821_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, +extern int cx25821_riscmem_alloc(struct pci_dev *pci, + struct cx25821_riscmem *risc, + unsigned int size); +extern int cx25821_risc_buffer(struct pci_dev *pci, struct cx25821_riscmem *risc, struct scatterlist *sglist, unsigned int top_offset, unsigned int bottom_offset, unsigned int bpl, unsigned int padding, unsigned int lines); extern int cx25821_risc_databuffer_audio(struct pci_dev *pci, - struct btcx_riscmem *risc, + struct cx25821_riscmem *risc, struct scatterlist *sglist, unsigned int bpl, unsigned int lines, unsigned int lpi); -extern void cx25821_free_buffer(struct videobuf_queue *q, +extern void cx25821_free_buffer(struct cx25821_dev *dev, struct cx25821_buffer *buf); -extern int cx25821_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, - u32 reg, u32 mask, u32 value); extern void cx25821_sram_channel_dump(struct cx25821_dev *dev, const struct sram_channel *ch); extern void cx25821_sram_channel_dump_audio(struct cx25821_dev *dev, |