Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Hans Verkuil | 2737 | 62.16% | 30 | 61.22% |
Mauro Carvalho Chehab | 1089 | 24.73% | 10 | 20.41% |
Palash Bandyopadhyay | 519 | 11.79% | 1 | 2.04% |
Junghak Sung | 43 | 0.98% | 2 | 4.08% |
Joe Perches | 8 | 0.18% | 1 | 2.04% |
Thomas Gleixner | 2 | 0.05% | 1 | 2.04% |
Laurent Pinchart | 2 | 0.05% | 1 | 2.04% |
Benjamin Gaignard | 1 | 0.02% | 1 | 2.04% |
Leonid V. Fedorenchik | 1 | 0.02% | 1 | 2.04% |
Julia Lawall | 1 | 0.02% | 1 | 2.04% |
Total | 4403 | 49 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for the Conexant CX25821 PCIe bridge * * Copyright (C) 2009 Conexant Systems Inc. * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> * 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> */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include "cx25821-video.h" MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards"); MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>"); MODULE_LICENSE("GPL"); static unsigned int video_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET }; module_param_array(video_nr, int, NULL, 0444); MODULE_PARM_DESC(video_nr, "video device numbers"); static unsigned int video_debug = VIDEO_DEBUG; module_param(video_debug, int, 0644); MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); static unsigned int irq_debug; module_param(irq_debug, int, 0644); MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); #define FORMAT_FLAGS_PACKED 0x01 static const struct cx25821_fmt formats[] = { { .fourcc = V4L2_PIX_FMT_Y41P, .depth = 12, .flags = FORMAT_FLAGS_PACKED, }, { .fourcc = V4L2_PIX_FMT_YUYV, .depth = 16, .flags = FORMAT_FLAGS_PACKED, }, }; static const struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc) { unsigned int i; for (i = 0; i < ARRAY_SIZE(formats); i++) if (formats[i].fourcc == fourcc) return formats + i; return NULL; } int cx25821_start_video_dma(struct cx25821_dev *dev, struct cx25821_dmaqueue *q, struct cx25821_buffer *buf, const struct sram_channel *channel) { int tmp = 0; /* setup fifo + format */ cx25821_sram_channel_setup(dev, channel, buf->bpl, buf->risc.dma); /* reset counter */ cx_write(channel->gpcnt_ctl, 3); /* enable irq */ cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << channel->i)); cx_set(channel->int_msk, 0x11); /* start dma */ cx_write(channel->dma_ctl, 0x11); /* FIFO and RISC enable */ /* make sure upstream setting if any is reversed */ tmp = cx_read(VID_CH_MODE_SEL); cx_write(VID_CH_MODE_SEL, tmp & 0xFFFFFE00); return 0; } int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) { int handled = 0; u32 mask; const struct sram_channel *channel = dev->channels[chan_num].sram_channels; mask = cx_read(channel->int_msk); if (0 == (status & mask)) return handled; cx_write(channel->int_stat, status); /* risc op code error */ if (status & (1 << 16)) { pr_warn("%s, %s: video risc op code error\n", dev->name, channel->name); cx_clear(channel->dma_ctl, 0x11); cx25821_sram_channel_dump(dev, channel); } /* risc1 y */ if (status & FLD_VID_DST_RISC1) { struct cx25821_dmaqueue *dmaq = &dev->channels[channel->i].dma_vidq; struct cx25821_buffer *buf; spin_lock(&dev->slock); if (!list_empty(&dmaq->active)) { buf = list_entry(dmaq->active.next, struct cx25821_buffer, queue); buf->vb.vb2_buf.timestamp = ktime_get_ns(); buf->vb.sequence = dmaq->count++; list_del(&buf->queue); vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); } spin_unlock(&dev->slock); handled++; } return handled; } static int cx25821_queue_setup(struct vb2_queue *q, unsigned int *num_buffers, unsigned int *num_planes, unsigned int sizes[], struct device *alloc_devs[]) { struct cx25821_channel *chan = q->drv_priv; unsigned size = (chan->fmt->depth * chan->width * chan->height) >> 3; if (*num_planes) return sizes[0] < size ? -EINVAL : 0; *num_planes = 1; sizes[0] = size; return 0; } static int cx25821_buffer_prepare(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct cx25821_channel *chan = vb->vb2_queue->drv_priv; struct cx25821_dev *dev = chan->dev; struct cx25821_buffer *buf = container_of(vbuf, struct cx25821_buffer, vb); struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); u32 line0_offset; int bpl_local = LINE_SIZE_D1; int ret; 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 (vb2_plane_size(vb, 0) < chan->height * buf->bpl) return -EINVAL; vb2_set_plane_payload(vb, 0, chan->height * buf->bpl); buf->vb.field = chan->field; 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 (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 0x%08x - dma=0x%08lx\n", buf, buf->vb.vb2_buf.index, chan->width, chan->height, chan->fmt->depth, chan->fmt->fourcc, (unsigned long)buf->risc.dma); return ret; } static void cx25821_buffer_finish(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct cx25821_buffer *buf = container_of(vbuf, struct cx25821_buffer, vb); struct cx25821_channel *chan = vb->vb2_queue->drv_priv; struct cx25821_dev *dev = chan->dev; cx25821_free_buffer(dev, buf); } static void cx25821_buffer_queue(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct cx25821_buffer *buf = container_of(vbuf, struct cx25821_buffer, vb); 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; 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, queue); list_add_tail(&buf->queue, &q->active); prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); } } static int cx25821_start_streaming(struct vb2_queue *q, unsigned int count) { struct cx25821_channel *chan = q->drv_priv; struct cx25821_dev *dev = chan->dev; struct cx25821_dmaqueue *dmaq = &dev->channels[chan->id].dma_vidq; struct cx25821_buffer *buf = list_entry(dmaq->active.next, struct cx25821_buffer, queue); dmaq->count = 0; cx25821_start_video_dma(dev, dmaq, buf, chan->sram_channels); return 0; } static void cx25821_stop_streaming(struct vb2_queue *q) { struct cx25821_channel *chan = q->drv_priv; struct cx25821_dev *dev = chan->dev; struct cx25821_dmaqueue *dmaq = &dev->channels[chan->id].dma_vidq; unsigned long flags; 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); list_del(&buf->queue); vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); } spin_unlock_irqrestore(&dev->slock, flags); } static const 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, struct v4l2_fmtdesc *f) { if (unlikely(f->index >= ARRAY_SIZE(formats))) return -EINVAL; f->pixelformat = formats[f->index].fourcc; return 0; } static int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct cx25821_channel *chan = video_drvdata(file); f->fmt.pix.width = chan->width; f->fmt.pix.height = chan->height; 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; f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; return 0; } static int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct cx25821_channel *chan = video_drvdata(file); struct cx25821_dev *dev = chan->dev; const struct cx25821_fmt *fmt; enum v4l2_field field = f->fmt.pix.field; unsigned int maxh; unsigned w; fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat); if (NULL == fmt) return -EINVAL; maxh = (dev->tvnorm & V4L2_STD_625_50) ? 576 : 480; w = f->fmt.pix.width; if (field != V4L2_FIELD_BOTTOM) field = V4L2_FIELD_TOP; if (w < 352) { w = 176; f->fmt.pix.height = maxh / 4; } else if (w < 720) { w = 352; f->fmt.pix.height = maxh / 2; } else { w = 720; f->fmt.pix.height = maxh; field = V4L2_FIELD_INTERLACED; } f->fmt.pix.field = field; f->fmt.pix.width = w; f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3; f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; return 0; } static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct cx25821_channel *chan = video_drvdata(file); struct cx25821_dev *dev = chan->dev; int pix_format = PIXEL_FRMT_422; int err; err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f); if (0 != err) return err; chan->fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat); 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) pix_format = PIXEL_FRMT_411; else pix_format = PIXEL_FRMT_422; cx25821_set_pixel_format(dev, SRAM_CH00, pix_format); /* check if cif resolution */ if (chan->width == 320 || chan->width == 352) chan->use_cif_resolution = 1; else chan->use_cif_resolution = 0; chan->cif_width = chan->width; medusa_set_resolution(dev, chan->width, SRAM_CH00); return 0; } static int vidioc_log_status(struct file *file, void *priv) { struct cx25821_channel *chan = video_drvdata(file); struct cx25821_dev *dev = chan->dev; const struct sram_channel *sram_ch = chan->sram_channels; u32 tmp = 0; tmp = cx_read(sram_ch->dma_ctl); pr_info("Video input 0 is %s\n", (tmp & 0x11) ? "streaming" : "stopped"); return 0; } static int cx25821_vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { struct cx25821_channel *chan = video_drvdata(file); struct cx25821_dev *dev = chan->dev; strscpy(cap->driver, "cx25821", sizeof(cap->driver)); strscpy(cap->card, cx25821_boards[dev->board].name, sizeof(cap->card)); sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING | V4L2_CAP_DEVICE_CAPS; return 0; } static int cx25821_vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorms) { struct cx25821_channel *chan = video_drvdata(file); *tvnorms = chan->dev->tvnorm; return 0; } static int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms) { struct cx25821_channel *chan = video_drvdata(file); struct cx25821_dev *dev = chan->dev; if (dev->tvnorm == tvnorms) return 0; dev->tvnorm = tvnorms; chan->width = 720; chan->height = (dev->tvnorm & V4L2_STD_625_50) ? 576 : 480; medusa_set_videostandard(dev); return 0; } static int cx25821_vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *i) { if (i->index) return -EINVAL; i->type = V4L2_INPUT_TYPE_CAMERA; i->std = CX25821_NORMS; strscpy(i->name, "Composite", sizeof(i->name)); return 0; } static int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i) { *i = 0; return 0; } static int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i) { return i ? -EINVAL : 0; } static int cx25821_s_ctrl(struct v4l2_ctrl *ctrl) { struct cx25821_channel *chan = container_of(ctrl->handler, struct cx25821_channel, hdl); struct cx25821_dev *dev = chan->dev; switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: medusa_set_brightness(dev, ctrl->val, chan->id); break; case V4L2_CID_HUE: medusa_set_hue(dev, ctrl->val, chan->id); break; case V4L2_CID_CONTRAST: medusa_set_contrast(dev, ctrl->val, chan->id); break; case V4L2_CID_SATURATION: medusa_set_saturation(dev, ctrl->val, chan->id); break; default: return -EINVAL; } return 0; } static int cx25821_vidioc_enum_output(struct file *file, void *priv, struct v4l2_output *o) { if (o->index) return -EINVAL; o->type = V4L2_INPUT_TYPE_CAMERA; o->std = CX25821_NORMS; strscpy(o->name, "Composite", sizeof(o->name)); return 0; } static int cx25821_vidioc_g_output(struct file *file, void *priv, unsigned int *o) { *o = 0; return 0; } static int cx25821_vidioc_s_output(struct file *file, void *priv, unsigned int o) { return o ? -EINVAL : 0; } static int cx25821_vidioc_try_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *f) { struct cx25821_channel *chan = video_drvdata(file); struct cx25821_dev *dev = chan->dev; const struct cx25821_fmt *fmt; fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat); if (NULL == fmt) return -EINVAL; f->fmt.pix.width = 720; f->fmt.pix.height = (dev->tvnorm & V4L2_STD_625_50) ? 576 : 480; f->fmt.pix.field = V4L2_FIELD_INTERLACED; f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3; f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; return 0; } static int vidioc_s_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *f) { struct cx25821_channel *chan = video_drvdata(file); int err; err = cx25821_vidioc_try_fmt_vid_out(file, priv, f); if (0 != err) return err; chan->fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat); 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) chan->pixel_formats = PIXEL_FRMT_411; else chan->pixel_formats = PIXEL_FRMT_422; return 0; } static const struct v4l2_ctrl_ops cx25821_ctrl_ops = { .s_ctrl = cx25821_s_ctrl, }; static const struct v4l2_file_operations video_fops = { .owner = THIS_MODULE, .open = v4l2_fh_open, .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 = { .vidioc_querycap = cx25821_vidioc_querycap, .vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap, .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 = 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_log_status = vidioc_log_status, .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; static const struct video_device cx25821_video_device = { .name = "cx25821-video", .fops = &video_fops, .release = video_device_release_empty, .minor = -1, .ioctl_ops = &video_ioctl_ops, .tvnorms = CX25821_NORMS, .device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING, }; static const struct v4l2_file_operations video_out_fops = { .owner = THIS_MODULE, .open = v4l2_fh_open, .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 = { .vidioc_querycap = cx25821_vidioc_querycap, .vidioc_enum_fmt_vid_out = cx25821_vidioc_enum_fmt_vid_cap, .vidioc_g_fmt_vid_out = cx25821_vidioc_g_fmt_vid_cap, .vidioc_try_fmt_vid_out = cx25821_vidioc_try_fmt_vid_out, .vidioc_s_fmt_vid_out = vidioc_s_fmt_vid_out, .vidioc_g_std = cx25821_vidioc_g_std, .vidioc_s_std = cx25821_vidioc_s_std, .vidioc_enum_output = cx25821_vidioc_enum_output, .vidioc_g_output = cx25821_vidioc_g_output, .vidioc_s_output = cx25821_vidioc_s_output, .vidioc_log_status = vidioc_log_status, }; static const struct video_device cx25821_video_out_device = { .name = "cx25821-video", .fops = &video_out_fops, .release = video_device_release_empty, .minor = -1, .ioctl_ops = &video_out_ioctl_ops, .tvnorms = CX25821_NORMS, .device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_READWRITE, }; void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num) { cx_clear(PCI_INT_MSK, 1); 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); } } int cx25821_video_register(struct cx25821_dev *dev) { int err; int i; /* initial device configuration */ dev->tvnorm = V4L2_STD_NTSC_M; spin_lock_init(&dev->slock); 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 */ continue; if (!is_output) { v4l2_ctrl_handler_init(hdl, 4); v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops, V4L2_CID_BRIGHTNESS, 0, 10000, 1, 6200); v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops, V4L2_CID_CONTRAST, 0, 10000, 1, 5000); v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops, V4L2_CID_SATURATION, 0, 10000, 1, 5000); v4l2_ctrl_new_std(hdl, &cx25821_ctrl_ops, V4L2_CID_HUE, 0, 10000, 1, 5000); if (hdl->error) { err = hdl->error; goto fail_unreg; } err = v4l2_ctrl_handler_setup(hdl); if (err) goto fail_unreg; } else { chan->out = &dev->vid_out_data[i - SRAM_CH09]; chan->out->chan = chan; } 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 chan->height = 480; if (chan->pixel_formats == PIXEL_FRMT_411) chan->fmt = cx25821_format_by_fourcc(V4L2_PIX_FMT_Y41P); else chan->fmt = cx25821_format_by_fourcc(V4L2_PIX_FMT_YUYV); cx_write(chan->sram_channels->int_stat, 0xffffffff); INIT_LIST_HEAD(&chan->dma_vidq.active); 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_queued_buffers = 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; q->dev = &dev->pci->dev; 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; vdev->v4l2_dev = &dev->v4l2_dev; if (!is_output) vdev->ctrl_handler = hdl; 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); err = video_register_device(vdev, VFL_TYPE_VIDEO, video_nr[dev->nr]); if (err < 0) goto fail_unreg; } /* set PCI interrupt */ cx_set(PCI_INT_MSK, 0xff); return 0; fail_unreg: while (i >= 0) cx25821_video_unregister(dev, i--); return err; }
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