From: Hans Verkuil Date: Sat, 22 Jan 2011 09:36:02 +0000 (-0300) Subject: [media] cpia2: convert to video_ioctl2 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=cbfb3daa66bc43f4e2d4f2063db7472a8b2837f5;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git [media] cpia2: convert to video_ioctl2 Unable to test this due to lack of hardware. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/cpia2/cpia2_v4l.c b/drivers/media/video/cpia2/cpia2_v4l.c index 9bad39842936..363fe098b748 100644 --- a/drivers/media/video/cpia2/cpia2_v4l.c +++ b/drivers/media/video/cpia2/cpia2_v4l.c @@ -395,10 +395,14 @@ static int sync(struct camera_data *cam, int frame_nr) * *****************************************************************************/ -static int ioctl_set_gpio(void *arg, struct camera_data *cam) +static long cpia2_default(struct file *file, void *fh, int cmd, void *arg) { + struct camera_data *cam = video_drvdata(file); __u32 gpio_val; + if (cmd != CPIA2_CID_GPIO) + return -EINVAL; + gpio_val = *(__u32*) arg; if (gpio_val &~ 0xFFU) @@ -415,11 +419,10 @@ static int ioctl_set_gpio(void *arg, struct camera_data *cam) * *****************************************************************************/ -static int ioctl_querycap(void *arg, struct camera_data *cam) +static int cpia2_querycap(struct file *file, void *fh, struct v4l2_capability *vc) { - struct v4l2_capability *vc = arg; + struct camera_data *cam = video_drvdata(file); - memset(vc, 0, sizeof(*vc)); strcpy(vc->driver, "cpia2"); if (cam->params.pnp_id.product == 0x151) @@ -479,22 +482,26 @@ static int ioctl_querycap(void *arg, struct camera_data *cam) * *****************************************************************************/ -static int ioctl_input(unsigned int ioclt_nr,void *arg,struct camera_data *cam) +static int cpia2_enum_input(struct file *file, void *fh, struct v4l2_input *i) { - struct v4l2_input *i = arg; - - if(ioclt_nr != VIDIOC_G_INPUT) { - if (i->index != 0) - return -EINVAL; - } - - memset(i, 0, sizeof(*i)); + if (i->index) + return -EINVAL; strcpy(i->name, "Camera"); i->type = V4L2_INPUT_TYPE_CAMERA; + return 0; +} +static int cpia2_g_input(struct file *file, void *fh, unsigned int *i) +{ + *i = 0; return 0; } +static int cpia2_s_input(struct file *file, void *fh, unsigned int i) +{ + return i ? -EINVAL : 0; +} + /****************************************************************************** * * ioctl_enum_fmt @@ -503,9 +510,9 @@ static int ioctl_input(unsigned int ioclt_nr,void *arg,struct camera_data *cam) * *****************************************************************************/ -static int ioctl_enum_fmt(void *arg,struct camera_data *cam) +static int cpia2_enum_fmt_vid_cap(struct file *file, void *fh, + struct v4l2_fmtdesc *f) { - struct v4l2_fmtdesc *f = arg; int index = f->index; if (index < 0 || index > 1) @@ -539,12 +546,10 @@ static int ioctl_enum_fmt(void *arg,struct camera_data *cam) * *****************************************************************************/ -static int ioctl_try_fmt(void *arg,struct camera_data *cam) +static int cpia2_try_fmt_vid_cap(struct file *file, void *fh, + struct v4l2_format *f) { - struct v4l2_format *f = arg; - - if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; + struct camera_data *cam = video_drvdata(file); if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG && f->fmt.pix.pixelformat != V4L2_PIX_FMT_JPEG) @@ -603,12 +608,17 @@ static int ioctl_try_fmt(void *arg,struct camera_data *cam) * *****************************************************************************/ -static int ioctl_set_fmt(void *arg,struct camera_data *cam, struct cpia2_fh *fh) +static int cpia2_s_fmt_vid_cap(struct file *file, void *_fh, + struct v4l2_format *f) { - struct v4l2_format *f = arg; + struct camera_data *cam = video_drvdata(file); + struct cpia2_fh *fh = _fh; int err, frame; - err = ioctl_try_fmt(arg, cam); + err = v4l2_prio_check(&cam->prio, fh->prio); + if (err) + return err; + err = cpia2_try_fmt_vid_cap(file, _fh, f); if(err != 0) return err; @@ -658,12 +668,10 @@ static int ioctl_set_fmt(void *arg,struct camera_data *cam, struct cpia2_fh *fh) * *****************************************************************************/ -static int ioctl_get_fmt(void *arg,struct camera_data *cam) +static int cpia2_g_fmt_vid_cap(struct file *file, void *fh, + struct v4l2_format *f) { - struct v4l2_format *f = arg; - - if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; + struct camera_data *cam = video_drvdata(file); f->fmt.pix.width = cam->width; f->fmt.pix.height = cam->height; @@ -686,9 +694,9 @@ static int ioctl_get_fmt(void *arg,struct camera_data *cam) * *****************************************************************************/ -static int ioctl_cropcap(void *arg,struct camera_data *cam) +static int cpia2_cropcap(struct file *file, void *fh, struct v4l2_cropcap *c) { - struct v4l2_cropcap *c = arg; + struct camera_data *cam = video_drvdata(file); if (c->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; @@ -715,9 +723,9 @@ static int ioctl_cropcap(void *arg,struct camera_data *cam) * *****************************************************************************/ -static int ioctl_queryctrl(void *arg,struct camera_data *cam) +static int cpia2_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *c) { - struct v4l2_queryctrl *c = arg; + struct camera_data *cam = video_drvdata(file); int i; for(i=0; iname, 0, sizeof(m->name)); - m->reserved = 0; + struct camera_data *cam = video_drvdata(file); switch(m->id) { case CPIA2_CID_FLICKER_MODE: @@ -837,9 +842,9 @@ static int ioctl_querymenu(void *arg,struct camera_data *cam) * *****************************************************************************/ -static int ioctl_g_ctrl(void *arg,struct camera_data *cam) +static int cpia2_g_ctrl(struct file *file, void *fh, struct v4l2_control *c) { - struct v4l2_control *c = arg; + struct camera_data *cam = video_drvdata(file); switch(c->id) { case V4L2_CID_BRIGHTNESS: @@ -955,9 +960,9 @@ static int ioctl_g_ctrl(void *arg,struct camera_data *cam) * *****************************************************************************/ -static int ioctl_s_ctrl(void *arg,struct camera_data *cam) +static int cpia2_s_ctrl(struct file *file, void *fh, struct v4l2_control *c) { - struct v4l2_control *c = arg; + struct camera_data *cam = video_drvdata(file); int i; int retval = 0; @@ -1031,9 +1036,9 @@ static int ioctl_s_ctrl(void *arg,struct camera_data *cam) * *****************************************************************************/ -static int ioctl_g_jpegcomp(void *arg,struct camera_data *cam) +static int cpia2_g_jpegcomp(struct file *file, void *fh, struct v4l2_jpegcompression *parms) { - struct v4l2_jpegcompression *parms = arg; + struct camera_data *cam = video_drvdata(file); memset(parms, 0, sizeof(*parms)); @@ -1072,9 +1077,9 @@ static int ioctl_g_jpegcomp(void *arg,struct camera_data *cam) * *****************************************************************************/ -static int ioctl_s_jpegcomp(void *arg,struct camera_data *cam) +static int cpia2_s_jpegcomp(struct file *file, void *fh, struct v4l2_jpegcompression *parms) { - struct v4l2_jpegcompression *parms = arg; + struct camera_data *cam = video_drvdata(file); DBG("S_JPEGCOMP APP_len:%d COM_len:%d\n", parms->APP_len, parms->COM_len); @@ -1121,9 +1126,9 @@ static int ioctl_s_jpegcomp(void *arg,struct camera_data *cam) * *****************************************************************************/ -static int ioctl_reqbufs(void *arg,struct camera_data *cam) +static int cpia2_reqbufs(struct file *file, void *fh, struct v4l2_requestbuffers *req) { - struct v4l2_requestbuffers *req = arg; + struct camera_data *cam = video_drvdata(file); if(req->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || req->memory != V4L2_MEMORY_MMAP) @@ -1144,9 +1149,9 @@ static int ioctl_reqbufs(void *arg,struct camera_data *cam) * *****************************************************************************/ -static int ioctl_querybuf(void *arg,struct camera_data *cam) +static int cpia2_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf) { - struct v4l2_buffer *buf = arg; + struct camera_data *cam = video_drvdata(file); if(buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || buf->index > cam->num_frames) @@ -1192,9 +1197,9 @@ static int ioctl_querybuf(void *arg,struct camera_data *cam) * *****************************************************************************/ -static int ioctl_qbuf(void *arg,struct camera_data *cam) +static int cpia2_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf) { - struct v4l2_buffer *buf = arg; + struct camera_data *cam = video_drvdata(file); if(buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || buf->memory != V4L2_MEMORY_MMAP || @@ -1248,9 +1253,9 @@ static int find_earliest_filled_buffer(struct camera_data *cam) * *****************************************************************************/ -static int ioctl_dqbuf(void *arg,struct camera_data *cam, struct file *file) +static int cpia2_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf) { - struct v4l2_buffer *buf = arg; + struct camera_data *cam = video_drvdata(file); int frame; if(buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || @@ -1296,210 +1301,56 @@ static int ioctl_dqbuf(void *arg,struct camera_data *cam, struct file *file) return 0; } -/****************************************************************************** - * - * cpia2_ioctl - * - *****************************************************************************/ -static long cpia2_do_ioctl(struct file *file, unsigned int cmd, void *arg) +static int cpia2_g_priority(struct file *file, void *_fh, enum v4l2_priority *p) { - struct camera_data *cam = video_drvdata(file); - long retval = 0; - - if (!cam) - return -ENOTTY; - - if (!cam->present) - return -ENODEV; - - /* Priority check */ - switch (cmd) { - case VIDIOC_S_FMT: - { - struct cpia2_fh *fh = file->private_data; - retval = v4l2_prio_check(&cam->prio, fh->prio); - if (retval) - return retval; - break; - } - default: - break; - } - - switch (cmd) { - /* CPIA2 extension to Video4Linux API */ - case CPIA2_IOC_SET_GPIO: - retval = ioctl_set_gpio(arg, cam); - break; - case VIDIOC_QUERYCAP: - retval = ioctl_querycap(arg,cam); - break; - - case VIDIOC_ENUMINPUT: - case VIDIOC_G_INPUT: - case VIDIOC_S_INPUT: - retval = ioctl_input(cmd, arg, cam); - break; - - case VIDIOC_ENUM_FMT: - retval = ioctl_enum_fmt(arg,cam); - break; - case VIDIOC_TRY_FMT: - retval = ioctl_try_fmt(arg,cam); - break; - case VIDIOC_G_FMT: - retval = ioctl_get_fmt(arg,cam); - break; - case VIDIOC_S_FMT: - retval = ioctl_set_fmt(arg,cam,file->private_data); - break; + struct cpia2_fh *fh = _fh; - case VIDIOC_CROPCAP: - retval = ioctl_cropcap(arg,cam); - break; - case VIDIOC_G_CROP: - case VIDIOC_S_CROP: - // TODO: I think cropping can be implemented - SJB - retval = -EINVAL; - break; - - case VIDIOC_QUERYCTRL: - retval = ioctl_queryctrl(arg,cam); - break; - case VIDIOC_QUERYMENU: - retval = ioctl_querymenu(arg,cam); - break; - case VIDIOC_G_CTRL: - retval = ioctl_g_ctrl(arg,cam); - break; - case VIDIOC_S_CTRL: - retval = ioctl_s_ctrl(arg,cam); - break; - - case VIDIOC_G_JPEGCOMP: - retval = ioctl_g_jpegcomp(arg,cam); - break; - case VIDIOC_S_JPEGCOMP: - retval = ioctl_s_jpegcomp(arg,cam); - break; - - case VIDIOC_G_PRIORITY: - { - struct cpia2_fh *fh = file->private_data; - *(enum v4l2_priority*)arg = fh->prio; - break; - } - case VIDIOC_S_PRIORITY: - { - struct cpia2_fh *fh = file->private_data; - enum v4l2_priority prio; - prio = *(enum v4l2_priority*)arg; - if(cam->streaming && - prio != fh->prio && - fh->prio == V4L2_PRIORITY_RECORD) { - /* Can't drop record priority while streaming */ - retval = -EBUSY; - } else if(prio == V4L2_PRIORITY_RECORD && - prio != fh->prio && - v4l2_prio_max(&cam->prio) == V4L2_PRIORITY_RECORD) { - /* Only one program can record at a time */ - retval = -EBUSY; - } else { - retval = v4l2_prio_change(&cam->prio, &fh->prio, prio); - } - break; - } - - case VIDIOC_REQBUFS: - retval = ioctl_reqbufs(arg,cam); - break; - case VIDIOC_QUERYBUF: - retval = ioctl_querybuf(arg,cam); - break; - case VIDIOC_QBUF: - retval = ioctl_qbuf(arg,cam); - break; - case VIDIOC_DQBUF: - retval = ioctl_dqbuf(arg,cam,file); - break; - case VIDIOC_STREAMON: - { - int type; - DBG("VIDIOC_STREAMON, streaming=%d\n", cam->streaming); - type = *(int*)arg; - if(!cam->mmapped || type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - retval = -EINVAL; - - if(!cam->streaming) { - retval = cpia2_usb_stream_start(cam, - cam->params.camera_state.stream_mode); - } else { - retval = -EINVAL; - } - - break; - } - case VIDIOC_STREAMOFF: - { - int type; - DBG("VIDIOC_STREAMOFF, streaming=%d\n", cam->streaming); - type = *(int*)arg; - if(!cam->mmapped || type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - retval = -EINVAL; - - if(cam->streaming) { - retval = cpia2_usb_stream_stop(cam); - } else { - retval = -EINVAL; - } - - break; - } - - case VIDIOC_ENUMOUTPUT: - case VIDIOC_G_OUTPUT: - case VIDIOC_S_OUTPUT: - case VIDIOC_G_MODULATOR: - case VIDIOC_S_MODULATOR: - - case VIDIOC_ENUMAUDIO: - case VIDIOC_G_AUDIO: - case VIDIOC_S_AUDIO: + *p = fh->prio; + return 0; +} - case VIDIOC_ENUMAUDOUT: - case VIDIOC_G_AUDOUT: - case VIDIOC_S_AUDOUT: +static int cpia2_s_priority(struct file *file, void *_fh, enum v4l2_priority prio) +{ + struct camera_data *cam = video_drvdata(file); + struct cpia2_fh *fh = fh; - case VIDIOC_ENUMSTD: - case VIDIOC_QUERYSTD: - case VIDIOC_G_STD: - case VIDIOC_S_STD: + if (cam->streaming && prio != fh->prio && + fh->prio == V4L2_PRIORITY_RECORD) + /* Can't drop record priority while streaming */ + return -EBUSY; - case VIDIOC_G_TUNER: - case VIDIOC_S_TUNER: - case VIDIOC_G_FREQUENCY: - case VIDIOC_S_FREQUENCY: + if (prio == V4L2_PRIORITY_RECORD && prio != fh->prio && + v4l2_prio_max(&cam->prio) == V4L2_PRIORITY_RECORD) + /* Only one program can record at a time */ + return -EBUSY; + return v4l2_prio_change(&cam->prio, &fh->prio, prio); +} - case VIDIOC_OVERLAY: - case VIDIOC_G_FBUF: - case VIDIOC_S_FBUF: +static int cpia2_streamon(struct file *file, void *fh, enum v4l2_buf_type type) +{ + struct camera_data *cam = video_drvdata(file); - case VIDIOC_G_PARM: - case VIDIOC_S_PARM: - retval = -EINVAL; - break; - default: - retval = -ENOIOCTLCMD; - break; - } + DBG("VIDIOC_STREAMON, streaming=%d\n", cam->streaming); + if (!cam->mmapped || type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; - return retval; + if (!cam->streaming) + return cpia2_usb_stream_start(cam, + cam->params.camera_state.stream_mode); + return -EINVAL; } -static long cpia2_ioctl(struct file *file, - unsigned int cmd, unsigned long arg) +static int cpia2_streamoff(struct file *file, void *fh, enum v4l2_buf_type type) { - return video_usercopy(file, cmd, arg, cpia2_do_ioctl); + struct camera_data *cam = video_drvdata(file); + + DBG("VIDIOC_STREAMOFF, streaming=%d\n", cam->streaming); + if (!cam->mmapped || type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + if (cam->streaming) + return cpia2_usb_stream_stop(cam); + return -EINVAL; } /****************************************************************************** @@ -1550,6 +1401,33 @@ static void reset_camera_struct_v4l(struct camera_data *cam) v4l2_prio_init(&cam->prio); } +static const struct v4l2_ioctl_ops cpia2_ioctl_ops = { + .vidioc_querycap = cpia2_querycap, + .vidioc_enum_input = cpia2_enum_input, + .vidioc_g_input = cpia2_g_input, + .vidioc_s_input = cpia2_s_input, + .vidioc_enum_fmt_vid_cap = cpia2_enum_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = cpia2_g_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = cpia2_s_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = cpia2_try_fmt_vid_cap, + .vidioc_queryctrl = cpia2_queryctrl, + .vidioc_querymenu = cpia2_querymenu, + .vidioc_g_ctrl = cpia2_g_ctrl, + .vidioc_s_ctrl = cpia2_s_ctrl, + .vidioc_g_jpegcomp = cpia2_g_jpegcomp, + .vidioc_s_jpegcomp = cpia2_s_jpegcomp, + .vidioc_cropcap = cpia2_cropcap, + .vidioc_reqbufs = cpia2_reqbufs, + .vidioc_querybuf = cpia2_querybuf, + .vidioc_qbuf = cpia2_qbuf, + .vidioc_dqbuf = cpia2_dqbuf, + .vidioc_streamon = cpia2_streamon, + .vidioc_streamoff = cpia2_streamoff, + .vidioc_g_priority = cpia2_g_priority, + .vidioc_s_priority = cpia2_s_priority, + .vidioc_default = cpia2_default, +}; + /*** * The v4l video device structure initialized for this device ***/ @@ -1559,7 +1437,7 @@ static const struct v4l2_file_operations cpia2_fops = { .release = cpia2_close, .read = cpia2_v4l_read, .poll = cpia2_v4l_poll, - .unlocked_ioctl = cpia2_ioctl, + .unlocked_ioctl = video_ioctl2, .mmap = cpia2_mmap, }; @@ -1567,6 +1445,7 @@ static struct video_device cpia2_template = { /* I could not find any place for the old .initialize initializer?? */ .name = "CPiA2 Camera", .fops = &cpia2_fops, + .ioctl_ops = &cpia2_ioctl_ops, .release = video_device_release, };