Hi Alfredo, It's a rather late review for which I apologize. Anyway, this patch needs more work, see my comments below. On 11/13/2013 03:52 PM, Alfredo Jesús Delaiti wrote: > Hi Mauro and all > > El 31/10/13 07:12, Mauro Carvalho Chehab escribió: >> >> Hi Alfredo, >> >> My understanding is that the patch you've enclosed is incomplete and >> depends on Miroslav's patch. >> >> As he have you his ack to rework on it, could you please prepare a >> patch series addressing the above comments for us to review? >> >> Than > > This patch supports only radio is for CX23885 > > I've only applied to current git version of V4L, and I've also removed the lines that support two cards in particular. > > The original patch is: https://linuxtv.org/patch/9498/ > > I found the following issue > > Details of the issue: > > Some warning when compiling > > ... > CC [M] /home/alfredo/ISDB/Nuevo_Driver/git/media_build/v4l/cx23885-video.o > /home/alfredo/ISDB/Nuevo_Driver/git/media_build/v4l/cx23885-video.c:1910:8: : initialization from incompatible pointer type [enabled by default] > /home/alfredo/ISDB/Nuevo_Driver/git/media_build/v4l/cx23885-video.c:1910:8: warning: (near initialization for 'radio_ioctl_ops.vidioc_s_tuner') [enabled by default] > /home/alfredo/ISDB/Nuevo_Driver/git/media_build/v4l/cx23885-video.c:1911:8: warning: initialization from incompatible pointer type [enabled by default] > /home/alfredo/ISDB/Nuevo_Driver/git/media_build/v4l/cx23885-video.c:1911:8: warning: (near initialization for 'radio_ioctl_ops.vidioc_s_audio') [enabled by default] > CC [M] /home/alfredo/ISDB/Nuevo_Driver/git/media_build/v4l/cx23885-vbi.o > ... > > -------------------------------------------------------- > static const struct v4l2_ioctl_ops radio_ioctl_ops = { > > .vidioc_s_tuner = radio_s_tuner, /* line 1910 */ > .vidioc_s_audio = radio_s_audio, /* line 1911 */ > > -------------------------------------------------------- > > > > Signed-off-by: Miroslav Slugen <thunder.mmm@xxxxxxxxx> > Tested-by: Alfredo J. Delaiti <alfredodelaiti@xxxxxxxxxxxx> > > diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c > index 7891f34..9eed6fe 100644 > --- a/drivers/media/pci/cx23885/cx23885-video.c > +++ b/drivers/media/pci/cx23885/cx23885-video.c > @@ -889,6 +889,8 @@ static int video_open(struct file *file) > fh->width = 320; > fh->height = 240; > fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV); > + > + mutex_lock(&dev->lock); > > videobuf_queue_sg_init(&fh->vidq, &cx23885_video_qops, > &dev->pci->dev, &dev->slock, > @@ -904,6 +906,14 @@ static int video_open(struct file *file) > sizeof(struct cx23885_buffer), > fh, NULL); > > + if (fh->radio) { > + dprintk(1,"video_open: setting radio device\n"); > + cx_write(GPIO_0, cx23885_boards[dev->board].radio.gpio0); > + call_all(dev, tuner, s_radio); > + } > + > + dev->users++; > + mutex_unlock(&dev->lock); > > dprintk(1, "post videobuf_queue_init()\n"); > > @@ -1001,15 +1011,26 @@ static int video_release(struct file *file) > > videobuf_mmap_free(&fh->vidq); > videobuf_mmap_free(&fh->vbiq); > + > + mutex_lock(&dev->lock); > > file->private_data = NULL; > kfree(fh); > + > + dev->users--; > > /* We are not putting the tuner to sleep here on exit, because > * we want to use the mpeg encoder in another session to capture > * tuner video. Closing this will result in no video to the encoder. > */ > > +#if 0 > + if (!dev->users) > + call_all(dev, core, s_power, 0); > + #endif Please intend #endif at the beginning of the line, I originally missed it when reviewing the code because it didn't line up with the #if 0. Why is it #if 0 anyway? Should it perhaps just be removed altogether? > + > + mutex_unlock(&dev->lock); > + > return 0; > } > > @@ -1635,6 +1656,106 @@ static int vidioc_s_frequency(struct file *file, void *priv, > > /* ----------------------------------------------------------- */ > > +/* RADIO ESPECIFIC IOCTLS */ > + > +static int radio_querycap (struct file *file, void *priv, > + struct v4l2_capability *cap) > +{ > + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; > + > + strcpy(cap->driver, "cx23885"); > + strlcpy(cap->card, cx23885_boards[dev->board].name, sizeof(cap->card)); > + sprintf(cap->bus_info,"PCIe:%s", pci_name(dev->pci)); > + cap->capabilities = V4L2_CAP_TUNER; Add V4L2_CAP_RADIO as well. > + return 0; > +} > + > +static int radio_g_tuner (struct file *file, void *priv, > + struct v4l2_tuner *t) > +{ > + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; > + > + if (unlikely(t->index > 0)) Don't use unlikely, it's completely unnecessary unless you are in some tight loop that's called a zillion times. > + return -EINVAL; > + > + strcpy(t->name, "Radio"); > + t->type = V4L2_TUNER_RADIO; This can be dropped, the v4l2 core has already set this to TUNER_RADIO for you. > + > + call_all(dev, tuner, g_tuner, t); > + return 0; > +} > + > +static int radio_enum_input (struct file *file, void *priv, > + struct v4l2_input *i) > +{ > + if (i->index != 0) > + return -EINVAL; > + strcpy(i->name,"Radio"); > + i->type = V4L2_INPUT_TYPE_TUNER; > + > + return 0; > +} > + > +static int radio_g_audio (struct file *file, void *priv, struct v4l2_audio *a) > +{ > + if (unlikely(a->index)) > + return -EINVAL; > + > + strcpy(a->name,"Radio"); > + return 0; > +} enum_input and g_audio are not supported for radio devices, please remove. > + > +/* FIXME: Should add a standard for radio */ > + > +static int radio_s_tuner (struct file *file, void *priv, > + struct v4l2_tuner *t) > +{ > + struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev; > + > + if (0 != t->index) > + return -EINVAL; > + > + call_all(dev, tuner, s_tuner, t); > + > + return 0; > +} > + > +static int radio_s_audio (struct file *file, void *fh, > + struct v4l2_audio *a) > +{ > + return 0; > +} > + > +static int radio_s_input (struct file *file, void *fh, unsigned int i) > +{ > + return 0; > +} s_audio and s_input are not supported for radio devices, please remove. > + > +static int radio_queryctrl (struct file *file, void *priv, > + struct v4l2_queryctrl *c) > +{ > + int i; > + > + if (c->id < V4L2_CID_BASE || > + c->id >= V4L2_CID_LASTP1) > + return -EINVAL; > + if (c->id == V4L2_CID_AUDIO_MUTE || > + c->id == V4L2_CID_AUDIO_VOLUME || > + c->id == V4L2_CID_AUDIO_BALANCE) { > + for (i = 0; i < CX23885_CTLS; i++) { > + if (cx23885_ctls[i].v.id == c->id) > + break; > + } > + if (i == CX23885_CTLS) { > + *c = no_ctl; > + return 0; > + } > + *c = cx23885_ctls[i].v; > + } else > + *c = no_ctl; > + return 0; > +} > + > static void cx23885_vid_timeout(unsigned long data) > { > struct cx23885_dev *dev = (struct cx23885_dev *)data; > @@ -1781,11 +1902,43 @@ static const struct v4l2_file_operations radio_fops = { > .ioctl = video_ioctl2, > }; > > +static const struct v4l2_ioctl_ops radio_ioctl_ops = { > + .vidioc_querycap = radio_querycap, > + .vidioc_g_tuner = radio_g_tuner, > + .vidioc_enum_input = radio_enum_input, > + .vidioc_g_audio = radio_g_audio, > + .vidioc_s_tuner = radio_s_tuner, > + .vidioc_s_audio = radio_s_audio, > + .vidioc_s_input = radio_s_input, > + .vidioc_queryctrl = radio_queryctrl, > + .vidioc_g_ctrl = vidioc_g_ctrl, > + .vidioc_s_ctrl = vidioc_s_ctrl, > + .vidioc_g_frequency = vidioc_g_frequency, > + .vidioc_s_frequency = vidioc_s_frequency, > +#ifdef CONFIG_VIDEO_ADV_DEBUG > + .vidioc_g_register = cx23885_g_register, > + .vidioc_s_register = cx23885_s_register, > +#endif > +}; > + > +static struct video_device cx23885_radio_template = { > + .name = "cx23885-radio", > + .fops = &radio_fops, > + .ioctl_ops = &radio_ioctl_ops, > +}; > > void cx23885_video_unregister(struct cx23885_dev *dev) > { > dprintk(1, "%s()\n", __func__); > cx23885_irq_remove(dev, 0x01); > + > + if (dev->radio_dev) { > + if (video_is_registered(dev->radio_dev)) > + video_unregister_device(dev->radio_dev); > + else > + video_device_release(dev->radio_dev); > + dev->radio_dev = NULL; > + } > > if (dev->vbi_dev) { > if (video_is_registered(dev->vbi_dev)) > @@ -1858,7 +2011,7 @@ int cx23885_video_register(struct cx23885_dev *dev) > struct tuner_setup tun_setup; > > memset(&tun_setup, 0, sizeof(tun_setup)); > - tun_setup.mode_mask = T_ANALOG_TV; > + tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; > tun_setup.type = dev->tuner_type; > tun_setup.addr = v4l2_i2c_subdev_addr(sd); > tun_setup.tuner_callback = cx23885_tuner_callback; > @@ -1918,6 +2071,22 @@ int cx23885_video_register(struct cx23885_dev *dev) > printk(KERN_INFO "%s: registered device %s\n", > dev->name, video_device_node_name(dev->vbi_dev)); > > + /* register Radio device */ > + if (cx23885_boards[dev->board].radio.type == CX23885_RADIO) { > + dev->radio_dev = cx23885_vdev_init(dev, dev->pci, > + &cx23885_radio_template, "radio"); > + video_set_drvdata(dev->radio_dev, dev); > + err = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, > + radio_nr[dev->nr]); > + if (err < 0) { > + printk(KERN_ERR "%s: can't register radio device\n", > + dev->name); > + goto fail_unreg; > + } > + printk(KERN_INFO "%s: registered device %s\n", > + dev->name, video_device_node_name(dev->radio_dev)); > + } > + > /* Register ALSA audio device */ > dev->audio_dev = cx23885_audio_register(dev); > > diff --git a/drivers/media/pci/cx23885/cx23885.h b/drivers/media/pci/cx23885/cx23885.h > index 0fa4048..6263bcd 100644 > --- a/drivers/media/pci/cx23885/cx23885.h > +++ b/drivers/media/pci/cx23885/cx23885.h > @@ -234,6 +234,7 @@ struct cx23885_board { > */ > u32 clk_freq; > struct cx23885_input input[MAX_CX23885_INPUT]; > + struct cx23885_input radio; > int ci_type; /* for NetUP */ > /* Force bottom field first during DMA (888 workaround) */ > u32 force_bff; > @@ -431,6 +432,7 @@ struct cx23885_dev { > > /* V4l */ > u32 freq; > + int users; > struct video_device *video_dev; > struct video_device *vbi_dev; > struct video_device *radio_dev; > Regards, Hans -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
