From 7bb34c8e42fe2e7cfa0a46db52dc2a79f2ba723a Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Mon, 2 Jul 2012 08:47:11 -0300 Subject: [PATCH] [media] cx88: convert cx88-blackbird to the control framework Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-blackbird.c | 106 +++++++++++------------------- drivers/media/video/cx88/cx88.h | 2 +- 2 files changed, 39 insertions(+), 69 deletions(-) diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c index c9bbe9f..d8c25c5 100644 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ b/drivers/media/video/cx88/cx88-blackbird.c @@ -523,11 +523,10 @@ static void blackbird_codec_settings(struct cx8802_dev *dev) blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, dev->height, dev->width); - dev->params.width = dev->width; - dev->params.height = dev->height; - dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0; - - cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params); + dev->cxhdl.width = dev->width; + dev->cxhdl.height = dev->height; + cx2341x_handler_set_50hz(&dev->cxhdl, dev->core->tvnorm & V4L2_STD_625_50); + cx2341x_handler_setup(&dev->cxhdl); } static int blackbird_initialize_codec(struct cx8802_dev *dev) @@ -618,6 +617,8 @@ static int blackbird_start_codec(struct file *file, void *priv) /* initialize the video input */ blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0); + cx2341x_handler_set_busy(&dev->cxhdl, 1); + /* start capturing to the host interface */ blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, BLACKBIRD_MPEG_CAPTURE, @@ -636,6 +637,8 @@ static int blackbird_stop_codec(struct cx8802_dev *dev) BLACKBIRD_RAW_BITS_NONE ); + cx2341x_handler_set_busy(&dev->cxhdl, 0); + dev->mpeg_active = 0; return 0; } @@ -721,7 +724,7 @@ static int vidioc_g_fmt_vid_cap (struct file *file, void *priv, f->fmt.pix.width = dev->width; f->fmt.pix.height = dev->height; f->fmt.pix.field = fh->mpegq.field; - dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n", + dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n", dev->width, dev->height, fh->mpegq.field ); return 0; } @@ -736,7 +739,7 @@ static int vidioc_try_fmt_vid_cap (struct file *file, void *priv, f->fmt.pix.bytesperline = 0; f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */; f->fmt.pix.colorspace = 0; - dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n", + dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n", dev->width, dev->height, fh->mpegq.field ); return 0; } @@ -758,7 +761,7 @@ static int vidioc_s_fmt_vid_cap (struct file *file, void *priv, cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field); blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, f->fmt.pix.height, f->fmt.pix.width); - dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n", + dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n", f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field ); return 0; } @@ -791,60 +794,21 @@ static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) { struct cx8802_fh *fh = priv; + struct cx8802_dev *dev = fh->dev; + + if (!dev->mpeg_active) + blackbird_start_codec(file, fh); return videobuf_streamon(&fh->mpegq); } static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) { struct cx8802_fh *fh = priv; - return videobuf_streamoff(&fh->mpegq); -} - -static int vidioc_g_ext_ctrls (struct file *file, void *priv, - struct v4l2_ext_controls *f) -{ - struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; - - if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) - return -EINVAL; - return cx2341x_ext_ctrls(&dev->params, 0, f, VIDIOC_G_EXT_CTRLS); -} - -static int vidioc_s_ext_ctrls (struct file *file, void *priv, - struct v4l2_ext_controls *f) -{ - struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; - struct cx2341x_mpeg_params p; - int err; - - if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) - return -EINVAL; + struct cx8802_dev *dev = fh->dev; if (dev->mpeg_active) blackbird_stop_codec(dev); - - p = dev->params; - err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS); - if (!err) { - err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p); - dev->params = p; - } - return err; -} - -static int vidioc_try_ext_ctrls (struct file *file, void *priv, - struct v4l2_ext_controls *f) -{ - struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; - struct cx2341x_mpeg_params p; - int err; - - if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG) - return -EINVAL; - p = dev->params; - err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS); - - return err; + return videobuf_streamoff(&fh->mpegq); } static int vidioc_s_frequency (struct file *file, void *priv, @@ -871,12 +835,8 @@ static int vidioc_log_status (struct file *file, void *priv) char name[32 + 2]; snprintf(name, sizeof(name), "%s/2", core->name); - printk("%s/2: ============ START LOG STATUS ============\n", - core->name); call_all(core, core, log_status); - cx2341x_log_status(&dev->params, name); - printk("%s/2: ============= END LOG STATUS =============\n", - core->name); + v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name); return 0; } @@ -1082,10 +1042,11 @@ mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos) static unsigned int mpeg_poll(struct file *file, struct poll_table_struct *wait) { + unsigned long req_events = poll_requested_events(wait); struct cx8802_fh *fh = file->private_data; struct cx8802_dev *dev = fh->dev; - if (!dev->mpeg_active) + if (!dev->mpeg_active && (req_events & (POLLIN | POLLRDNORM))) blackbird_start_codec(file, fh); return videobuf_poll_stream(file, &fh->mpegq, wait); @@ -1122,9 +1083,6 @@ static const struct v4l2_ioctl_ops mpeg_ioctl_ops = { .vidioc_dqbuf = vidioc_dqbuf, .vidioc_streamon = vidioc_streamon, .vidioc_streamoff = vidioc_streamoff, - .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls, - .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls, - .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls, .vidioc_s_frequency = vidioc_s_frequency, .vidioc_log_status = vidioc_log_status, .vidioc_enum_input = vidioc_enum_input, @@ -1209,6 +1167,7 @@ static int blackbird_register_video(struct cx8802_dev *dev) dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci, &cx8802_mpeg_template,"mpeg"); + dev->mpeg_dev->ctrl_handler = &dev->cxhdl.hdl; video_set_drvdata(dev->mpeg_dev, dev); err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1); if (err < 0) { @@ -1240,18 +1199,23 @@ static int cx8802_blackbird_probe(struct cx8802_driver *drv) if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD)) goto fail_core; - dev->width = 720; - dev->height = 576; - cx2341x_fill_defaults(&dev->params); - dev->params.port = CX2341X_PORT_STREAMING; - cx8802_mpeg_template.current_norm = core->tvnorm; + dev->width = 720; if (core->tvnorm & V4L2_STD_525_60) { dev->height = 480; } else { dev->height = 576; } + dev->cxhdl.port = CX2341X_PORT_STREAMING; + dev->cxhdl.width = dev->width; + dev->cxhdl.height = dev->height; + dev->cxhdl.func = blackbird_mbox_func; + dev->cxhdl.priv = dev; + err = cx2341x_handler_init(&dev->cxhdl, 36); + if (err) + goto fail_core; + v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl); /* blackbird stuff */ printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n", @@ -1259,12 +1223,14 @@ static int cx8802_blackbird_probe(struct cx8802_driver *drv) host_setup(dev->core); blackbird_initialize_codec(dev); - blackbird_register_video(dev); /* initial device configuration: needed ? */ // init_controls(core); cx88_set_tvnorm(core,core->tvnorm); cx88_video_mux(core,0); + cx2341x_handler_set_50hz(&dev->cxhdl, dev->height == 576); + cx2341x_handler_setup(&dev->cxhdl); + blackbird_register_video(dev); return 0; @@ -1274,8 +1240,12 @@ static int cx8802_blackbird_probe(struct cx8802_driver *drv) static int cx8802_blackbird_remove(struct cx8802_driver *drv) { + struct cx88_core *core = drv->core; + struct cx8802_dev *dev = core->dvbdev; + /* blackbird */ blackbird_unregister_video(drv->core->dvbdev); + v4l2_ctrl_handler_free(&dev->cxhdl.hdl); return 0; } diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index 280bf6a..e79cb87 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -575,7 +575,7 @@ struct cx8802_dev { unsigned char mpeg_active; /* nonzero if mpeg encoder is active */ /* mpeg params */ - struct cx2341x_mpeg_params params; + struct cx2341x_handler cxhdl; #endif #if defined(CONFIG_VIDEO_CX88_DVB) || defined(CONFIG_VIDEO_CX88_DVB_MODULE) -- 2.7.4