diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-21 17:19:50 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-07-21 17:19:50 +0200 |
commit | eb6a12c2428d21a9f3e0f1a50e927d5fd80fc3d0 (patch) | |
tree | 5ac6f43899648abeab1d43aad3107f664e7f13d5 /drivers/media/video/ivtv/ivtv-controls.c | |
parent | c4762aba0b1f72659aae9ce37b772ca8bd8f06f4 (diff) | |
parent | 14b395e35d1afdd8019d11b92e28041fad591b71 (diff) |
Merge branch 'linus' into cpus4096-for-linus
Conflicts:
net/sunrpc/svc.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-controls.c')
-rw-r--r-- | drivers/media/video/ivtv/ivtv-controls.c | 225 |
1 files changed, 112 insertions, 113 deletions
diff --git a/drivers/media/video/ivtv/ivtv-controls.c b/drivers/media/video/ivtv/ivtv-controls.c index c7e449f6397..48e103be718 100644 --- a/drivers/media/video/ivtv/ivtv-controls.c +++ b/drivers/media/video/ivtv/ivtv-controls.c @@ -47,12 +47,12 @@ static const u32 *ctrl_classes[] = { NULL }; -static int ivtv_queryctrl(struct ivtv *itv, struct v4l2_queryctrl *qctrl) + +int ivtv_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qctrl) { + struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; const char *name; - IVTV_DEBUG_IOCTL("VIDIOC_QUERYCTRL(%08x)\n", qctrl->id); - qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id); if (qctrl->id == 0) return -EINVAL; @@ -87,21 +87,35 @@ static int ivtv_queryctrl(struct ivtv *itv, struct v4l2_queryctrl *qctrl) return 0; } -static int ivtv_querymenu(struct ivtv *itv, struct v4l2_querymenu *qmenu) +int ivtv_querymenu(struct file *file, void *fh, struct v4l2_querymenu *qmenu) { + struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; struct v4l2_queryctrl qctrl; qctrl.id = qmenu->id; - ivtv_queryctrl(itv, &qctrl); - return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id)); + ivtv_queryctrl(file, fh, &qctrl); + return v4l2_ctrl_query_menu(qmenu, &qctrl, + cx2341x_ctrl_get_menu(&itv->params, qmenu->id)); } -static int ivtv_s_ctrl(struct ivtv *itv, struct v4l2_control *vctrl) +static int ivtv_try_ctrl(struct file *file, void *fh, + struct v4l2_ext_control *vctrl) { - s32 v = vctrl->value; - - IVTV_DEBUG_IOCTL("VIDIOC_S_CTRL(%08x, %x)\n", vctrl->id, v); + struct v4l2_queryctrl qctrl; + const char **menu_items = NULL; + int err; + + qctrl.id = vctrl->id; + err = ivtv_queryctrl(file, fh, &qctrl); + if (err) + return err; + if (qctrl.type == V4L2_CTRL_TYPE_MENU) + menu_items = v4l2_ctrl_get_menu(qctrl.id); + return v4l2_ctrl_check(vctrl, &qctrl, menu_items); +} +static int ivtv_s_ctrl(struct ivtv *itv, struct v4l2_control *vctrl) +{ switch (vctrl->id) { /* Standard V4L2 controls */ case V4L2_CID_BRIGHTNESS: @@ -119,7 +133,7 @@ static int ivtv_s_ctrl(struct ivtv *itv, struct v4l2_control *vctrl) return ivtv_i2c_hw(itv, itv->card->hw_audio_ctrl, VIDIOC_S_CTRL, vctrl); default: - IVTV_DEBUG_IOCTL("invalid control %x\n", vctrl->id); + IVTV_DEBUG_IOCTL("invalid control 0x%x\n", vctrl->id); return -EINVAL; } return 0; @@ -127,8 +141,6 @@ static int ivtv_s_ctrl(struct ivtv *itv, struct v4l2_control *vctrl) static int ivtv_g_ctrl(struct ivtv *itv, struct v4l2_control *vctrl) { - IVTV_DEBUG_IOCTL("VIDIOC_G_CTRL(%08x)\n", vctrl->id); - switch (vctrl->id) { /* Standard V4L2 controls */ case V4L2_CID_BRIGHTNESS: @@ -145,7 +157,7 @@ static int ivtv_g_ctrl(struct ivtv *itv, struct v4l2_control *vctrl) case V4L2_CID_AUDIO_LOUDNESS: return ivtv_i2c_hw(itv, itv->card->hw_audio_ctrl, VIDIOC_G_CTRL, vctrl); default: - IVTV_DEBUG_IOCTL("invalid control %x\n", vctrl->id); + IVTV_DEBUG_IOCTL("invalid control 0x%x\n", vctrl->id); return -EINVAL; } return 0; @@ -191,119 +203,106 @@ static int ivtv_setup_vbi_fmt(struct ivtv *itv, enum v4l2_mpeg_stream_vbi_fmt fm return 0; } -int ivtv_control_ioctls(struct ivtv *itv, unsigned int cmd, void *arg) +int ivtv_g_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c) { + struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; struct v4l2_control ctrl; - switch (cmd) { - case VIDIOC_QUERYMENU: - IVTV_DEBUG_IOCTL("VIDIOC_QUERYMENU\n"); - return ivtv_querymenu(itv, arg); - - case VIDIOC_QUERYCTRL: - return ivtv_queryctrl(itv, arg); - - case VIDIOC_S_CTRL: - return ivtv_s_ctrl(itv, arg); - - case VIDIOC_G_CTRL: - return ivtv_g_ctrl(itv, arg); - - case VIDIOC_S_EXT_CTRLS: - { - struct v4l2_ext_controls *c = arg; - - if (c->ctrl_class == V4L2_CTRL_CLASS_USER) { - int i; - int err = 0; - - for (i = 0; i < c->count; i++) { - ctrl.id = c->controls[i].id; - ctrl.value = c->controls[i].value; - err = ivtv_s_ctrl(itv, &ctrl); - c->controls[i].value = ctrl.value; - if (err) { - c->error_idx = i; - break; - } + if (c->ctrl_class == V4L2_CTRL_CLASS_USER) { + int i; + int err = 0; + + for (i = 0; i < c->count; i++) { + ctrl.id = c->controls[i].id; + ctrl.value = c->controls[i].value; + err = ivtv_g_ctrl(itv, &ctrl); + c->controls[i].value = ctrl.value; + if (err) { + c->error_idx = i; + break; } - return err; } - IVTV_DEBUG_IOCTL("VIDIOC_S_EXT_CTRLS\n"); - if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) { - static u32 freqs[3] = { 44100, 48000, 32000 }; - struct cx2341x_mpeg_params p = itv->params; - int err = cx2341x_ext_ctrls(&p, atomic_read(&itv->capturing), arg, cmd); - unsigned idx; - - if (err) - return err; - - if (p.video_encoding != itv->params.video_encoding) { - int is_mpeg1 = p.video_encoding == - V4L2_MPEG_VIDEO_ENCODING_MPEG_1; - struct v4l2_format fmt; - - /* fix videodecoder resolution */ - fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - fmt.fmt.pix.width = itv->params.width / (is_mpeg1 ? 2 : 1); - fmt.fmt.pix.height = itv->params.height; - itv->video_dec_func(itv, VIDIOC_S_FMT, &fmt); - } - err = cx2341x_update(itv, ivtv_api_func, &itv->params, &p); - if (!err && itv->params.stream_vbi_fmt != p.stream_vbi_fmt) { - err = ivtv_setup_vbi_fmt(itv, p.stream_vbi_fmt); + return err; + } + if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) + return cx2341x_ext_ctrls(&itv->params, 0, c, VIDIOC_G_EXT_CTRLS); + return -EINVAL; +} + +int ivtv_s_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c) +{ + struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; + struct v4l2_control ctrl; + + if (c->ctrl_class == V4L2_CTRL_CLASS_USER) { + int i; + int err = 0; + + for (i = 0; i < c->count; i++) { + ctrl.id = c->controls[i].id; + ctrl.value = c->controls[i].value; + err = ivtv_s_ctrl(itv, &ctrl); + c->controls[i].value = ctrl.value; + if (err) { + c->error_idx = i; + break; } - itv->params = p; - itv->dualwatch_stereo_mode = p.audio_properties & 0x0300; - idx = p.audio_properties & 0x03; - /* The audio clock of the digitizer must match the codec sample - rate otherwise you get some very strange effects. */ - if (idx < sizeof(freqs)) - ivtv_call_i2c_clients(itv, VIDIOC_INT_AUDIO_CLOCK_FREQ, &freqs[idx]); - return err; } - return -EINVAL; + return err; } + if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) { + static u32 freqs[3] = { 44100, 48000, 32000 }; + struct cx2341x_mpeg_params p = itv->params; + int err = cx2341x_ext_ctrls(&p, atomic_read(&itv->capturing), c, VIDIOC_S_EXT_CTRLS); + unsigned idx; - case VIDIOC_G_EXT_CTRLS: - { - struct v4l2_ext_controls *c = arg; - - if (c->ctrl_class == V4L2_CTRL_CLASS_USER) { - int i; - int err = 0; - - for (i = 0; i < c->count; i++) { - ctrl.id = c->controls[i].id; - ctrl.value = c->controls[i].value; - err = ivtv_g_ctrl(itv, &ctrl); - c->controls[i].value = ctrl.value; - if (err) { - c->error_idx = i; - break; - } - } + if (err) return err; + + if (p.video_encoding != itv->params.video_encoding) { + int is_mpeg1 = p.video_encoding == + V4L2_MPEG_VIDEO_ENCODING_MPEG_1; + struct v4l2_format fmt; + + /* fix videodecoder resolution */ + fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + fmt.fmt.pix.width = itv->params.width / (is_mpeg1 ? 2 : 1); + fmt.fmt.pix.height = itv->params.height; + itv->video_dec_func(itv, VIDIOC_S_FMT, &fmt); } - IVTV_DEBUG_IOCTL("VIDIOC_G_EXT_CTRLS\n"); - if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) - return cx2341x_ext_ctrls(&itv->params, 0, arg, cmd); - return -EINVAL; + err = cx2341x_update(itv, ivtv_api_func, &itv->params, &p); + if (!err && itv->params.stream_vbi_fmt != p.stream_vbi_fmt) + err = ivtv_setup_vbi_fmt(itv, p.stream_vbi_fmt); + itv->params = p; + itv->dualwatch_stereo_mode = p.audio_properties & 0x0300; + idx = p.audio_properties & 0x03; + /* The audio clock of the digitizer must match the codec sample + rate otherwise you get some very strange effects. */ + if (idx < sizeof(freqs)) + ivtv_call_i2c_clients(itv, VIDIOC_INT_AUDIO_CLOCK_FREQ, &freqs[idx]); + return err; } + return -EINVAL; +} - case VIDIOC_TRY_EXT_CTRLS: - { - struct v4l2_ext_controls *c = arg; +int ivtv_try_ext_ctrls(struct file *file, void *fh, struct v4l2_ext_controls *c) +{ + struct ivtv *itv = ((struct ivtv_open_id *)fh)->itv; - IVTV_DEBUG_IOCTL("VIDIOC_TRY_EXT_CTRLS\n"); - if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) - return cx2341x_ext_ctrls(&itv->params, atomic_read(&itv->capturing), arg, cmd); - return -EINVAL; - } + if (c->ctrl_class == V4L2_CTRL_CLASS_USER) { + int i; + int err = 0; - default: - return -EINVAL; + for (i = 0; i < c->count; i++) { + err = ivtv_try_ctrl(file, fh, &c->controls[i]); + if (err) { + c->error_idx = i; + break; + } + } + return err; } - return 0; + if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) + return cx2341x_ext_ctrls(&itv->params, atomic_read(&itv->capturing), c, VIDIOC_TRY_EXT_CTRLS); + return -EINVAL; } |