From e56c597b027ba95a9ce6719462793da4a91d27d2 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Mon, 20 Jul 2015 10:18:21 -0300 Subject: [PATCH] [media] zoran: convert to the control framework and to v4l2_fh Switch this driver to the control framework and to v4l2_fh for handling control events. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/pci/zoran/zoran.h | 4 ++ drivers/media/pci/zoran/zoran_card.c | 5 ++ drivers/media/pci/zoran/zoran_driver.c | 69 ++++++-------------------- 3 files changed, 23 insertions(+), 55 deletions(-) diff --git a/drivers/media/pci/zoran/zoran.h b/drivers/media/pci/zoran/zoran.h index 4109775e4c74..4e7db8939c2b 100644 --- a/drivers/media/pci/zoran/zoran.h +++ b/drivers/media/pci/zoran/zoran.h @@ -32,6 +32,8 @@ #define _BUZ_H_ #include +#include +#include struct zoran_sync { unsigned long frame; /* number of buffer that has been free'd */ @@ -216,6 +218,7 @@ struct zoran; /* zoran_fh contains per-open() settings */ struct zoran_fh { + struct v4l2_fh fh; struct zoran *zr; enum zoran_map_mode map_mode; /* Flag which bufferset will map by next mmap() */ @@ -268,6 +271,7 @@ struct card_info { struct zoran { struct v4l2_device v4l2_dev; + struct v4l2_ctrl_handler hdl; struct video_device *video_dev; struct i2c_adapter i2c_adapter; /* */ diff --git a/drivers/media/pci/zoran/zoran_card.c b/drivers/media/pci/zoran/zoran_card.c index afeca42da174..1136d92af642 100644 --- a/drivers/media/pci/zoran/zoran_card.c +++ b/drivers/media/pci/zoran/zoran_card.c @@ -1117,6 +1117,7 @@ static void zoran_remove(struct pci_dev *pdev) pci_disable_device(zr->pci_dev); video_unregister_device(zr->video_dev); exit_free: + v4l2_ctrl_handler_free(&zr->hdl); v4l2_device_unregister(&zr->v4l2_dev); kfree(zr); } @@ -1220,6 +1221,9 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent) zr->pci_dev = pdev; zr->id = nr; snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id); + if (v4l2_ctrl_handler_init(&zr->hdl, 10)) + goto zr_unreg; + zr->v4l2_dev.ctrl_handler = &zr->hdl; spin_lock_init(&zr->spinlock); mutex_init(&zr->lock); if (pci_enable_device(pdev)) @@ -1443,6 +1447,7 @@ zr_free_irq: zr_unmap: iounmap(zr->zr36057_mem); zr_unreg: + v4l2_ctrl_handler_free(&zr->hdl); v4l2_device_unregister(&zr->v4l2_dev); zr_free_mem: kfree(zr); diff --git a/drivers/media/pci/zoran/zoran_driver.c b/drivers/media/pci/zoran/zoran_driver.c index cbcb0a02cdcc..80caa70c6360 100644 --- a/drivers/media/pci/zoran/zoran_driver.c +++ b/drivers/media/pci/zoran/zoran_driver.c @@ -61,6 +61,7 @@ #include #include #include +#include #include "videocodec.h" #include @@ -937,6 +938,8 @@ static int zoran_open(struct file *file) res = -ENOMEM; goto fail_unlock; } + v4l2_fh_init(&fh->fh, video_devdata(file)); + /* used to be BUZ_MAX_WIDTH/HEIGHT, but that gives overflows * on norm-change! */ fh->overlay_mask = @@ -966,6 +969,7 @@ static int zoran_open(struct file *file) file->private_data = fh; fh->zr = zr; zoran_open_init_session(fh); + v4l2_fh_add(&fh->fh); mutex_unlock(&zr->lock); return 0; @@ -1028,6 +1032,8 @@ zoran_close(struct file *file) } mutex_unlock(&zr->lock); + v4l2_fh_del(&fh->fh); + v4l2_fh_exit(&fh->fh); kfree(fh->overlay_mask); kfree(fh); @@ -2263,53 +2269,6 @@ static int zoran_streamoff(struct file *file, void *__fh, enum v4l2_buf_type typ } return res; } - -static int zoran_queryctrl(struct file *file, void *__fh, - struct v4l2_queryctrl *ctrl) -{ - struct zoran_fh *fh = __fh; - struct zoran *zr = fh->zr; - - /* we only support hue/saturation/contrast/brightness */ - if (ctrl->id < V4L2_CID_BRIGHTNESS || - ctrl->id > V4L2_CID_HUE) - return -EINVAL; - - decoder_call(zr, core, queryctrl, ctrl); - - return 0; -} - -static int zoran_g_ctrl(struct file *file, void *__fh, struct v4l2_control *ctrl) -{ - struct zoran_fh *fh = __fh; - struct zoran *zr = fh->zr; - - /* we only support hue/saturation/contrast/brightness */ - if (ctrl->id < V4L2_CID_BRIGHTNESS || - ctrl->id > V4L2_CID_HUE) - return -EINVAL; - - decoder_call(zr, core, g_ctrl, ctrl); - - return 0; -} - -static int zoran_s_ctrl(struct file *file, void *__fh, struct v4l2_control *ctrl) -{ - struct zoran_fh *fh = __fh; - struct zoran *zr = fh->zr; - - /* we only support hue/saturation/contrast/brightness */ - if (ctrl->id < V4L2_CID_BRIGHTNESS || - ctrl->id > V4L2_CID_HUE) - return -EINVAL; - - decoder_call(zr, core, s_ctrl, ctrl); - - return 0; -} - static int zoran_g_std(struct file *file, void *__fh, v4l2_std_id *std) { struct zoran_fh *fh = __fh; @@ -2563,7 +2522,8 @@ zoran_poll (struct file *file, { struct zoran_fh *fh = file->private_data; struct zoran *zr = fh->zr; - int res = 0, frame; + int res = v4l2_ctrl_poll(file, wait); + int frame; unsigned long flags; /* we should check whether buffers are ready to be synced on @@ -2591,7 +2551,7 @@ zoran_poll (struct file *file, if (fh->buffers.active != ZORAN_FREE && /* Buffer ready to DQBUF? */ zr->v4l_buffers.buffer[frame].state == BUZ_STATE_DONE) - res = POLLIN | POLLRDNORM; + res |= POLLIN | POLLRDNORM; spin_unlock_irqrestore(&zr->spinlock, flags); break; @@ -2612,9 +2572,9 @@ zoran_poll (struct file *file, if (fh->buffers.active != ZORAN_FREE && zr->jpg_buffers.buffer[frame].state == BUZ_STATE_DONE) { if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC) - res = POLLIN | POLLRDNORM; + res |= POLLIN | POLLRDNORM; else - res = POLLOUT | POLLWRNORM; + res |= POLLOUT | POLLWRNORM; } spin_unlock_irqrestore(&zr->spinlock, flags); @@ -2625,7 +2585,7 @@ zoran_poll (struct file *file, KERN_ERR "%s: %s - internal error, unknown map_mode=%d\n", ZR_DEVNAME(zr), __func__, fh->map_mode); - res = POLLNVAL; + res |= POLLERR; } return res; @@ -2882,9 +2842,8 @@ static const struct v4l2_ioctl_ops zoran_ioctl_ops = { .vidioc_try_fmt_vid_cap = zoran_try_fmt_vid_cap, .vidioc_try_fmt_vid_out = zoran_try_fmt_vid_out, .vidioc_try_fmt_vid_overlay = zoran_try_fmt_vid_overlay, - .vidioc_queryctrl = zoran_queryctrl, - .vidioc_s_ctrl = zoran_s_ctrl, - .vidioc_g_ctrl = zoran_g_ctrl, + .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; static const struct v4l2_file_operations zoran_fops = { -- 2.20.1