[media] cx88: convert cx88-blackbird to the control framework
authorHans Verkuil <hans.verkuil@cisco.com>
Mon, 2 Jul 2012 11:47:11 +0000 (08:47 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Fri, 6 Jul 2012 21:09:48 +0000 (18:09 -0300)
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/video/cx88/cx88-blackbird.c
drivers/media/video/cx88/cx88.h

index c9bbe9fc9c7e7b18edfa7899cb687d34e50fd50e..d8c25c5bb3231a34084a24ebecafb9d3c777ad6c 100644 (file)
@@ -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;
 }
index 280bf6ab7b759b1ed7b2dc37233d28afee86b020..e79cb878379a20ffd67bd24aa65d99b13e0e8013 100644 (file)
@@ -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)