diff options
Diffstat (limited to 'drivers/media/video')
35 files changed, 674 insertions, 765 deletions
diff --git a/drivers/media/video/arv.c b/drivers/media/video/arv.c index 31e7a123d19..f989f2820d8 100644 --- a/drivers/media/video/arv.c +++ b/drivers/media/video/arv.c @@ -712,7 +712,7 @@ static int ar_initialize(struct ar *ar) static const struct v4l2_file_operations ar_fops = { .owner = THIS_MODULE, .read = ar_read, - .ioctl = video_ioctl2, + .unlocked_ioctl = video_ioctl2, }; static const struct v4l2_ioctl_ops ar_ioctl_ops = { diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c index a529619e51f..0902ec041c7 100644 --- a/drivers/media/video/bt8xx/bttv-driver.c +++ b/drivers/media/video/bt8xx/bttv-driver.c @@ -854,7 +854,6 @@ int check_alloc_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bit) xbits |= RESOURCE_VIDEO_READ | RESOURCE_VIDEO_STREAM; /* is it free? */ - mutex_lock(&btv->lock); if (btv->resources & xbits) { /* no, someone else uses it */ goto fail; @@ -884,11 +883,9 @@ int check_alloc_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bit) /* it's free, grab it */ fh->resources |= bit; btv->resources |= bit; - mutex_unlock(&btv->lock); return 1; fail: - mutex_unlock(&btv->lock); return 0; } @@ -940,7 +937,6 @@ void free_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bits) /* trying to free ressources not allocated by us ... */ printk("bttv: BUG! (btres)\n"); } - mutex_lock(&btv->lock); fh->resources &= ~bits; btv->resources &= ~bits; @@ -951,8 +947,6 @@ void free_btres_lock(struct bttv *btv, struct bttv_fh *fh, int bits) if (0 == (bits & VBI_RESOURCES)) disclaim_vbi_lines(btv); - - mutex_unlock(&btv->lock); } /* ----------------------------------------------------------------------- */ @@ -1713,28 +1707,20 @@ static int bttv_prepare_buffer(struct videobuf_queue *q,struct bttv *btv, /* Make sure tvnorm and vbi_end remain consistent until we're done. */ - mutex_lock(&btv->lock); norm = btv->tvnorm; /* In this mode capturing always starts at defrect.top (default VDELAY), ignoring cropping parameters. */ if (btv->vbi_end > bttv_tvnorms[norm].cropcap.defrect.top) { - mutex_unlock(&btv->lock); return -EINVAL; } - mutex_unlock(&btv->lock); - c.rect = bttv_tvnorms[norm].cropcap.defrect; } else { - mutex_lock(&btv->lock); - norm = btv->tvnorm; c = btv->crop[!!fh->do_crop]; - mutex_unlock(&btv->lock); - if (width < c.min_scaled_width || width > c.max_scaled_width || height < c.min_scaled_height) @@ -1858,7 +1844,6 @@ static int bttv_s_std(struct file *file, void *priv, v4l2_std_id *id) unsigned int i; int err; - mutex_lock(&btv->lock); err = v4l2_prio_check(&btv->prio, fh->prio); if (err) goto err; @@ -1874,7 +1859,6 @@ static int bttv_s_std(struct file *file, void *priv, v4l2_std_id *id) set_tvnorm(btv, i); err: - mutex_unlock(&btv->lock); return err; } @@ -1898,7 +1882,6 @@ static int bttv_enum_input(struct file *file, void *priv, struct bttv *btv = fh->btv; int rc = 0; - mutex_lock(&btv->lock); if (i->index >= bttv_tvcards[btv->c.type].video_inputs) { rc = -EINVAL; goto err; @@ -1928,7 +1911,6 @@ static int bttv_enum_input(struct file *file, void *priv, i->std = BTTV_NORMS; err: - mutex_unlock(&btv->lock); return rc; } @@ -1938,9 +1920,7 @@ static int bttv_g_input(struct file *file, void *priv, unsigned int *i) struct bttv_fh *fh = priv; struct bttv *btv = fh->btv; - mutex_lock(&btv->lock); *i = btv->input; - mutex_unlock(&btv->lock); return 0; } @@ -1952,7 +1932,6 @@ static int bttv_s_input(struct file *file, void *priv, unsigned int i) int err; - mutex_lock(&btv->lock); err = v4l2_prio_check(&btv->prio, fh->prio); if (unlikely(err)) goto err; @@ -1965,7 +1944,6 @@ static int bttv_s_input(struct file *file, void *priv, unsigned int i) set_input(btv, i, btv->tvnorm); err: - mutex_unlock(&btv->lock); return 0; } @@ -1979,7 +1957,6 @@ static int bttv_s_tuner(struct file *file, void *priv, if (unlikely(0 != t->index)) return -EINVAL; - mutex_lock(&btv->lock); if (unlikely(btv->tuner_type == TUNER_ABSENT)) { err = -EINVAL; goto err; @@ -1995,7 +1972,6 @@ static int bttv_s_tuner(struct file *file, void *priv, btv->audio_mode_gpio(btv, t, 1); err: - mutex_unlock(&btv->lock); return 0; } @@ -2006,10 +1982,8 @@ static int bttv_g_frequency(struct file *file, void *priv, struct bttv_fh *fh = priv; struct bttv *btv = fh->btv; - mutex_lock(&btv->lock); f->type = btv->radio_user ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; f->frequency = btv->freq; - mutex_unlock(&btv->lock); return 0; } @@ -2024,7 +1998,6 @@ static int bttv_s_frequency(struct file *file, void *priv, if (unlikely(f->tuner != 0)) return -EINVAL; - mutex_lock(&btv->lock); err = v4l2_prio_check(&btv->prio, fh->prio); if (unlikely(err)) goto err; @@ -2039,7 +2012,6 @@ static int bttv_s_frequency(struct file *file, void *priv, if (btv->has_matchbox && btv->radio_user) tea5757_set_freq(btv, btv->freq); err: - mutex_unlock(&btv->lock); return 0; } @@ -2172,7 +2144,6 @@ limit_scaled_size_lock (struct bttv_fh * fh, /* Make sure tvnorm, vbi_end and the current cropping parameters remain consistent until we're done. */ - mutex_lock(&btv->lock); b = &bttv_tvnorms[btv->tvnorm].cropcap.bounds; @@ -2250,7 +2221,6 @@ limit_scaled_size_lock (struct bttv_fh * fh, rc = 0; /* success */ fail: - mutex_unlock(&btv->lock); return rc; } @@ -2282,9 +2252,7 @@ verify_window_lock (struct bttv_fh * fh, if (V4L2_FIELD_ANY == field) { __s32 height2; - mutex_lock(&fh->btv->lock); height2 = fh->btv->crop[!!fh->do_crop].rect.height >> 1; - mutex_unlock(&fh->btv->lock); field = (win->w.height > height2) ? V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP; @@ -2360,7 +2328,6 @@ static int setup_window_lock(struct bttv_fh *fh, struct bttv *btv, } } - mutex_lock(&fh->cap.vb_lock); /* clip against screen */ if (NULL != btv->fbuf.base) n = btcx_screen_clips(btv->fbuf.fmt.width, btv->fbuf.fmt.height, @@ -2391,13 +2358,6 @@ static int setup_window_lock(struct bttv_fh *fh, struct bttv *btv, fh->ov.field = win->field; fh->ov.setup_ok = 1; - /* - * FIXME: btv is protected by btv->lock mutex, while btv->init - * is protected by fh->cap.vb_lock. This seems to open the - * possibility for some race situations. Maybe the better would - * be to unify those locks or to use another way to store the - * init values that will be consumed by videobuf callbacks - */ btv->init.ov.w.width = win->w.width; btv->init.ov.w.height = win->w.height; btv->init.ov.field = win->field; @@ -2412,7 +2372,6 @@ static int setup_window_lock(struct bttv_fh *fh, struct bttv *btv, bttv_overlay_risc(btv, &fh->ov, fh->ovfmt, new); retval = bttv_switch_overlay(btv,fh,new); } - mutex_unlock(&fh->cap.vb_lock); return retval; } @@ -2526,9 +2485,7 @@ static int bttv_try_fmt_vid_cap(struct file *file, void *priv, if (V4L2_FIELD_ANY == field) { __s32 height2; - mutex_lock(&btv->lock); height2 = btv->crop[!!fh->do_crop].rect.height >> 1; - mutex_unlock(&btv->lock); field = (f->fmt.pix.height > height2) ? V4L2_FIELD_INTERLACED : V4L2_FIELD_BOTTOM; @@ -2614,7 +2571,6 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv, fmt = format_by_fourcc(f->fmt.pix.pixelformat); /* update our state informations */ - mutex_lock(&fh->cap.vb_lock); fh->fmt = fmt; fh->cap.field = f->fmt.pix.field; fh->cap.last = V4L2_FIELD_NONE; @@ -2623,7 +2579,6 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv, btv->init.fmt = fmt; btv->init.width = f->fmt.pix.width; btv->init.height = f->fmt.pix.height; - mutex_unlock(&fh->cap.vb_lock); return 0; } @@ -2649,11 +2604,9 @@ static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) unsigned int i; struct bttv_fh *fh = priv; - mutex_lock(&fh->cap.vb_lock); retval = __videobuf_mmap_setup(&fh->cap, gbuffers, gbufsize, V4L2_MEMORY_MMAP); if (retval < 0) { - mutex_unlock(&fh->cap.vb_lock); return retval; } @@ -2665,7 +2618,6 @@ static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf) for (i = 0; i < gbuffers; i++) mbuf->offsets[i] = i * gbufsize; - mutex_unlock(&fh->cap.vb_lock); return 0; } #endif @@ -2775,10 +2727,8 @@ static int bttv_overlay(struct file *file, void *f, unsigned int on) int retval = 0; if (on) { - mutex_lock(&fh->cap.vb_lock); /* verify args */ if (unlikely(!btv->fbuf.base)) { - mutex_unlock(&fh->cap.vb_lock); return -EINVAL; } if (unlikely(!fh->ov.setup_ok)) { @@ -2787,13 +2737,11 @@ static int bttv_overlay(struct file *file, void *f, unsigned int on) } if (retval) return retval; - mutex_unlock(&fh->cap.vb_lock); } if (!check_alloc_btres_lock(btv, fh, RESOURCE_OVERLAY)) return -EBUSY; - mutex_lock(&fh->cap.vb_lock); if (on) { fh->ov.tvnorm = btv->tvnorm; new = videobuf_sg_alloc(sizeof(*new)); @@ -2805,7 +2753,6 @@ static int bttv_overlay(struct file *file, void *f, unsigned int on) /* switch over */ retval = bttv_switch_overlay(btv, fh, new); - mutex_unlock(&fh->cap.vb_lock); return retval; } @@ -2844,7 +2791,6 @@ static int bttv_s_fbuf(struct file *file, void *f, } /* ok, accept it */ - mutex_lock(&fh->cap.vb_lock); btv->fbuf.base = fb->base; btv->fbuf.fmt.width = fb->fmt.width; btv->fbuf.fmt.height = fb->fmt.height; @@ -2876,7 +2822,6 @@ static int bttv_s_fbuf(struct file *file, void *f, retval = bttv_switch_overlay(btv, fh, new); } } - mutex_unlock(&fh->cap.vb_lock); return retval; } @@ -2955,7 +2900,6 @@ static int bttv_queryctrl(struct file *file, void *priv, c->id >= V4L2_CID_PRIVATE_LASTP1)) return -EINVAL; - mutex_lock(&btv->lock); if (!btv->volume_gpio && (c->id == V4L2_CID_AUDIO_VOLUME)) *c = no_ctl; else { @@ -2963,7 +2907,6 @@ static int bttv_queryctrl(struct file *file, void *priv, *c = (NULL != ctrl) ? *ctrl : no_ctl; } - mutex_unlock(&btv->lock); return 0; } @@ -2974,10 +2917,8 @@ static int bttv_g_parm(struct file *file, void *f, struct bttv_fh *fh = f; struct bttv *btv = fh->btv; - mutex_lock(&btv->lock); v4l2_video_std_frame_period(bttv_tvnorms[btv->tvnorm].v4l2_id, &parm->parm.capture.timeperframe); - mutex_unlock(&btv->lock); return 0; } @@ -2993,7 +2934,6 @@ static int bttv_g_tuner(struct file *file, void *priv, if (0 != t->index) return -EINVAL; - mutex_lock(&btv->lock); t->rxsubchans = V4L2_TUNER_SUB_MONO; bttv_call_all(btv, tuner, g_tuner, t); strcpy(t->name, "Television"); @@ -3005,7 +2945,6 @@ static int bttv_g_tuner(struct file *file, void *priv, if (btv->audio_mode_gpio) btv->audio_mode_gpio(btv, t, 0); - mutex_unlock(&btv->lock); return 0; } @@ -3014,9 +2953,7 @@ static int bttv_g_priority(struct file *file, void *f, enum v4l2_priority *p) struct bttv_fh *fh = f; struct bttv *btv = fh->btv; - mutex_lock(&btv->lock); *p = v4l2_prio_max(&btv->prio); - mutex_unlock(&btv->lock); return 0; } @@ -3028,9 +2965,7 @@ static int bttv_s_priority(struct file *file, void *f, struct bttv *btv = fh->btv; int rc; - mutex_lock(&btv->lock); rc = v4l2_prio_change(&btv->prio, &fh->prio, prio); - mutex_unlock(&btv->lock); return rc; } @@ -3045,9 +2980,7 @@ static int bttv_cropcap(struct file *file, void *priv, cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) return -EINVAL; - mutex_lock(&btv->lock); *cap = bttv_tvnorms[btv->tvnorm].cropcap; - mutex_unlock(&btv->lock); return 0; } @@ -3065,9 +2998,7 @@ static int bttv_g_crop(struct file *file, void *f, struct v4l2_crop *crop) inconsistent with fh->width or fh->height and apps do not expect a change here. */ - mutex_lock(&btv->lock); crop->c = btv->crop[!!fh->do_crop].rect; - mutex_unlock(&btv->lock); return 0; } @@ -3091,17 +3022,14 @@ static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop) /* Make sure tvnorm, vbi_end and the current cropping parameters remain consistent until we're done. Note read() may change vbi_end in check_alloc_btres_lock(). */ - mutex_lock(&btv->lock); retval = v4l2_prio_check(&btv->prio, fh->prio); if (0 != retval) { - mutex_unlock(&btv->lock); return retval; } retval = -EBUSY; if (locked_btres(fh->btv, VIDEO_RESOURCES)) { - mutex_unlock(&btv->lock); return retval; } @@ -3113,7 +3041,6 @@ static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop) b_top = max(b->top, btv->vbi_end); if (b_top + 32 >= b_bottom) { - mutex_unlock(&btv->lock); return retval; } @@ -3136,12 +3063,8 @@ static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop) btv->crop[1] = c; - mutex_unlock(&btv->lock); - fh->do_crop = 1; - mutex_lock(&fh->cap.vb_lock); - if (fh->width < c.min_scaled_width) { fh->width = c.min_scaled_width; btv->init.width = c.min_scaled_width; @@ -3158,8 +3081,6 @@ static int bttv_s_crop(struct file *file, void *f, struct v4l2_crop *crop) btv->init.height = c.max_scaled_height; } - mutex_unlock(&fh->cap.vb_lock); - return 0; } @@ -3227,7 +3148,6 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait) return videobuf_poll_stream(file, &fh->vbi, wait); } - mutex_lock(&fh->cap.vb_lock); if (check_btres(fh,RESOURCE_VIDEO_STREAM)) { /* streaming capture */ if (list_empty(&fh->cap.stream)) @@ -3262,7 +3182,6 @@ static unsigned int bttv_poll(struct file *file, poll_table *wait) else rc = 0; err: - mutex_unlock(&fh->cap.vb_lock); return rc; } @@ -3293,23 +3212,11 @@ static int bttv_open(struct file *file) return -ENOMEM; file->private_data = fh; - /* - * btv is protected by btv->lock mutex, while btv->init and other - * streaming vars are protected by fh->cap.vb_lock. We need to take - * care of both locks to avoid troubles. However, vb_lock is used also - * inside videobuf, without calling buf->lock. So, it is a very bad - * idea to hold both locks at the same time. - * Let's first copy btv->init at fh, holding cap.vb_lock, and then work - * with the rest of init, holding btv->lock. - */ - mutex_lock(&fh->cap.vb_lock); *fh = btv->init; - mutex_unlock(&fh->cap.vb_lock); fh->type = type; fh->ov.setup_ok = 0; - mutex_lock(&btv->lock); v4l2_prio_open(&btv->prio, &fh->prio); videobuf_queue_sg_init(&fh->cap, &bttv_video_qops, @@ -3317,13 +3224,13 @@ static int bttv_open(struct file *file) V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED, sizeof(struct bttv_buffer), - fh, NULL); + fh, &btv->lock); videobuf_queue_sg_init(&fh->vbi, &bttv_vbi_qops, &btv->c.pci->dev, &btv->s_lock, V4L2_BUF_TYPE_VBI_CAPTURE, V4L2_FIELD_SEQ_TB, sizeof(struct bttv_buffer), - fh, NULL); + fh, &btv->lock); set_tvnorm(btv,btv->tvnorm); set_input(btv, btv->input, btv->tvnorm); @@ -3346,7 +3253,6 @@ static int bttv_open(struct file *file) bttv_vbi_fmt_reset(&fh->vbi_fmt, btv->tvnorm); bttv_field_count(btv); - mutex_unlock(&btv->lock); return 0; } @@ -3355,7 +3261,6 @@ static int bttv_release(struct file *file) struct bttv_fh *fh = file->private_data; struct bttv *btv = fh->btv; - mutex_lock(&btv->lock); /* turn off overlay */ if (check_btres(fh, RESOURCE_OVERLAY)) bttv_switch_overlay(btv,fh,NULL); @@ -3381,14 +3286,8 @@ static int bttv_release(struct file *file) /* free stuff */ - /* - * videobuf uses cap.vb_lock - we should avoid holding btv->lock, - * otherwise we may have dead lock conditions - */ - mutex_unlock(&btv->lock); videobuf_mmap_free(&fh->cap); videobuf_mmap_free(&fh->vbi); - mutex_lock(&btv->lock); v4l2_prio_close(&btv->prio, fh->prio); file->private_data = NULL; kfree(fh); @@ -3398,7 +3297,6 @@ static int bttv_release(struct file *file) if (!btv->users) audio_mute(btv, 1); - mutex_unlock(&btv->lock); return 0; } @@ -3502,11 +3400,8 @@ static int radio_open(struct file *file) if (unlikely(!fh)) return -ENOMEM; file->private_data = fh; - mutex_lock(&fh->cap.vb_lock); *fh = btv->init; - mutex_unlock(&fh->cap.vb_lock); - mutex_lock(&btv->lock); v4l2_prio_open(&btv->prio, &fh->prio); btv->radio_user++; @@ -3514,7 +3409,6 @@ static int radio_open(struct file *file) bttv_call_all(btv, tuner, s_radio); audio_input(btv,TVAUDIO_INPUT_RADIO); - mutex_unlock(&btv->lock); return 0; } @@ -3524,7 +3418,6 @@ static int radio_release(struct file *file) struct bttv *btv = fh->btv; struct rds_command cmd; - mutex_lock(&btv->lock); v4l2_prio_close(&btv->prio, fh->prio); file->private_data = NULL; kfree(fh); @@ -3532,7 +3425,6 @@ static int radio_release(struct file *file) btv->radio_user--; bttv_call_all(btv, core, ioctl, RDS_CMD_CLOSE, &cmd); - mutex_unlock(&btv->lock); return 0; } @@ -3561,7 +3453,6 @@ static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) return -EINVAL; if (0 != t->index) return -EINVAL; - mutex_lock(&btv->lock); strcpy(t->name, "Radio"); t->type = V4L2_TUNER_RADIO; @@ -3570,8 +3461,6 @@ static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) if (btv->audio_mode_gpio) btv->audio_mode_gpio(btv, t, 0); - mutex_unlock(&btv->lock); - return 0; } @@ -3692,7 +3581,7 @@ static const struct v4l2_file_operations radio_fops = .open = radio_open, .read = radio_read, .release = radio_release, - .ioctl = video_ioctl2, + .unlocked_ioctl = video_ioctl2, .poll = radio_poll, }; diff --git a/drivers/media/video/bw-qcam.c b/drivers/media/video/bw-qcam.c index 935e0c9a967..c1193506131 100644 --- a/drivers/media/video/bw-qcam.c +++ b/drivers/media/video/bw-qcam.c @@ -860,7 +860,7 @@ static ssize_t qcam_read(struct file *file, char __user *buf, static const struct v4l2_file_operations qcam_fops = { .owner = THIS_MODULE, - .ioctl = video_ioctl2, + .unlocked_ioctl = video_ioctl2, .read = qcam_read, }; diff --git a/drivers/media/video/c-qcam.c b/drivers/media/video/c-qcam.c index 6e4b19698c1..24fc00965a1 100644 --- a/drivers/media/video/c-qcam.c +++ b/drivers/media/video/c-qcam.c @@ -718,7 +718,7 @@ static ssize_t qcam_read(struct file *file, char __user *buf, static const struct v4l2_file_operations qcam_fops = { .owner = THIS_MODULE, - .ioctl = video_ioctl2, + .unlocked_ioctl = video_ioctl2, .read = qcam_read, }; diff --git a/drivers/media/video/cafe_ccic.c b/drivers/media/video/cafe_ccic.c index 260c666ce93..0dfff50891e 100644 --- a/drivers/media/video/cafe_ccic.c +++ b/drivers/media/video/cafe_ccic.c @@ -1775,7 +1775,7 @@ static const struct v4l2_file_operations cafe_v4l_fops = { .read = cafe_v4l_read, .poll = cafe_v4l_poll, .mmap = cafe_v4l_mmap, - .ioctl = video_ioctl2, + .unlocked_ioctl = video_ioctl2, }; static const struct v4l2_ioctl_ops cafe_v4l_ioctl_ops = { diff --git a/drivers/media/video/cx18/cx18-alsa-pcm.c b/drivers/media/video/cx18/cx18-alsa-pcm.c index 8f55692db36..82d195be919 100644 --- a/drivers/media/video/cx18/cx18-alsa-pcm.c +++ b/drivers/media/video/cx18/cx18-alsa-pcm.c @@ -218,7 +218,13 @@ static int snd_cx18_pcm_capture_close(struct snd_pcm_substream *substream) static int snd_cx18_pcm_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg) { - return snd_pcm_lib_ioctl(substream, cmd, arg); + struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream); + int ret; + + snd_cx18_lock(cxsc); + ret = snd_pcm_lib_ioctl(substream, cmd, arg); + snd_cx18_unlock(cxsc); + return ret; } diff --git a/drivers/media/video/cx18/cx18-streams.c b/drivers/media/video/cx18/cx18-streams.c index 9045f1ece0e..ab461e27d9d 100644 --- a/drivers/media/video/cx18/cx18-streams.c +++ b/drivers/media/video/cx18/cx18-streams.c @@ -41,7 +41,7 @@ static struct v4l2_file_operations cx18_v4l2_enc_fops = { .read = cx18_v4l2_read, .open = cx18_v4l2_open, /* FIXME change to video_ioctl2 if serialization lock can be removed */ - .ioctl = cx18_v4l2_ioctl, + .unlocked_ioctl = cx18_v4l2_ioctl, .release = cx18_v4l2_close, .poll = cx18_v4l2_enc_poll, }; diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c index dfb198d0415..f16461844c5 100644 --- a/drivers/media/video/cx25840/cx25840-core.c +++ b/drivers/media/video/cx25840/cx25840-core.c @@ -1989,8 +1989,23 @@ static int cx25840_probe(struct i2c_client *client, v4l2_ctrl_new_std(&state->hdl, &cx25840_ctrl_ops, V4L2_CID_HUE, -128, 127, 1, 0); if (!is_cx2583x(state)) { - default_volume = 228 - cx25840_read(client, 0x8d4); - default_volume = ((default_volume / 2) + 23) << 9; + default_volume = cx25840_read(client, 0x8d4); + /* + * Enforce the legacy PVR-350/MSP3400 to PVR-150/CX25843 volume + * scale mapping limits to avoid -ERANGE errors when + * initializing the volume control + */ + if (default_volume > 228) { + /* Bottom out at -96 dB, v4l2 vol range 0x2e00-0x2fff */ + default_volume = 228; + cx25840_write(client, 0x8d4, 228); + } + else if (default_volume < 20) { + /* Top out at + 8 dB, v4l2 vol range 0xfe00-0xffff */ + default_volume = 20; + cx25840_write(client, 0x8d4, 20); + } + default_volume = (((228 - default_volume) >> 1) + 23) << 9; state->volume = v4l2_ctrl_new_std(&state->hdl, &cx25840_audio_ctrl_ops, V4L2_CID_AUDIO_VOLUME, diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c index 4aaa47c0eab..54b7fcd469a 100644 --- a/drivers/media/video/cx88/cx88-alsa.c +++ b/drivers/media/video/cx88/cx88-alsa.c @@ -40,7 +40,6 @@ #include <sound/control.h> #include <sound/initval.h> #include <sound/tlv.h> -#include <media/wm8775.h> #include "cx88.h" #include "cx88-reg.h" @@ -587,47 +586,26 @@ static int snd_cx88_volume_put(struct snd_kcontrol *kcontrol, int left, right, v, b; int changed = 0; u32 old; - struct v4l2_control client_ctl; - - /* Pass volume & balance onto any WM8775 */ - if (value->value.integer.value[0] >= value->value.integer.value[1]) { - v = value->value.integer.value[0] << 10; - b = value->value.integer.value[0] ? - (0x8000 * value->value.integer.value[1]) / value->value.integer.value[0] : - 0x8000; - } else { - v = value->value.integer.value[1] << 10; - b = value->value.integer.value[1] ? - 0xffff - (0x8000 * value->value.integer.value[0]) / value->value.integer.value[1] : - 0x8000; - } - client_ctl.value = v; - client_ctl.id = V4L2_CID_AUDIO_VOLUME; - call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl); - - client_ctl.value = b; - client_ctl.id = V4L2_CID_AUDIO_BALANCE; - call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl); left = value->value.integer.value[0] & 0x3f; right = value->value.integer.value[1] & 0x3f; b = right - left; if (b < 0) { - v = 0x3f - left; - b = (-b) | 0x40; + v = 0x3f - left; + b = (-b) | 0x40; } else { - v = 0x3f - right; + v = 0x3f - right; } /* Do we really know this will always be called with IRQs on? */ spin_lock_irq(&chip->reg_lock); old = cx_read(AUD_VOL_CTL); if (v != (old & 0x3f)) { - cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, (old & ~0x3f) | v); - changed = 1; + cx_write(AUD_VOL_CTL, (old & ~0x3f) | v); + changed = 1; } - if ((cx_read(AUD_BAL_CTL) & 0x7f) != b) { - cx_write(AUD_BAL_CTL, b); - changed = 1; + if (cx_read(AUD_BAL_CTL) != b) { + cx_write(AUD_BAL_CTL, b); + changed = 1; } spin_unlock_irq(&chip->reg_lock); @@ -640,7 +618,7 @@ static const struct snd_kcontrol_new snd_cx88_volume = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, - .name = "Analog-TV Volume", + .name = "Playback Volume", .info = snd_cx88_volume_info, .get = snd_cx88_volume_get, .put = snd_cx88_volume_put, @@ -671,14 +649,7 @@ static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol, vol = cx_read(AUD_VOL_CTL); if (value->value.integer.value[0] != !(vol & bit)) { vol ^= bit; - cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, vol); - /* Pass mute onto any WM8775 */ - if ((1<<6) == bit) { - struct v4l2_control client_ctl; - client_ctl.value = 0 != (vol & bit); - client_ctl.id = V4L2_CID_AUDIO_MUTE; - call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl); - } + cx_write(AUD_VOL_CTL, vol); ret = 1; } spin_unlock_irq(&chip->reg_lock); @@ -687,7 +658,7 @@ static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol, static const struct snd_kcontrol_new snd_cx88_dac_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Audio-Out Switch", + .name = "Playback Switch", .info = snd_ctl_boolean_mono_info, .get = snd_cx88_switch_get, .put = snd_cx88_switch_put, @@ -696,49 +667,13 @@ static const struct snd_kcontrol_new snd_cx88_dac_switch = { static const struct snd_kcontrol_new snd_cx88_source_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Analog-TV Switch", + .name = "Capture Switch", .info = snd_ctl_boolean_mono_info, .get = snd_cx88_switch_get, .put = snd_cx88_switch_put, .private_value = (1<<6), }; -static int snd_cx88_alc_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *value) -{ - snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); - struct cx88_core *core = chip->core; - struct v4l2_control client_ctl; - - client_ctl.id = V4L2_CID_AUDIO_LOUDNESS; - call_hw(core, WM8775_GID, core, g_ctrl, &client_ctl); - value->value.integer.value[0] = client_ctl.value ? 1 : 0; - - return 0; -} - -static int snd_cx88_alc_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *value) -{ - snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol); - struct cx88_core *core = chip->core; - struct v4l2_control client_ctl; - - client_ctl.value = 0 != value->value.integer.value[0]; - client_ctl.id = V4L2_CID_AUDIO_LOUDNESS; - call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl); - - return 0; -} - -static struct snd_kcontrol_new snd_cx88_alc_switch = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Line-In ALC Switch", - .info = snd_ctl_boolean_mono_info, - .get = snd_cx88_alc_get, - .put = snd_cx88_alc_put, -}; - /**************************************************************************** Basic Flow for Sound Devices ****************************************************************************/ @@ -860,7 +795,6 @@ static int __devinit cx88_audio_initdev(struct pci_dev *pci, { struct snd_card *card; snd_cx88_card_t *chip; - struct v4l2_subdev *sd; int err; if (devno >= SNDRV_CARDS) @@ -896,15 +830,6 @@ static int __devinit cx88_audio_initdev(struct pci_dev *pci, if (err < 0) goto error; - /* If there's a wm8775 then add a Line-In ALC switch */ - list_for_each_entry(sd, &chip->core->v4l2_dev.subdevs, list) { - if (WM8775_GID == sd->grp_id) { - snd_ctl_add(card, snd_ctl_new1(&snd_cx88_alc_switch, - chip)); - break; - } - } - strcpy (card->driver, "CX88x"); sprintf(card->shortname, "Conexant CX%x", pci->device); sprintf(card->longname, "%s at %#llx", diff --git a/drivers/media/video/cx88/cx88-cards.c b/drivers/media/video/cx88/cx88-cards.c index 9b9e169cce9..0ccc2afd726 100644 --- a/drivers/media/video/cx88/cx88-cards.c +++ b/drivers/media/video/cx88/cx88-cards.c @@ -1007,15 +1007,22 @@ static const struct cx88_board cx88_boards[] = { .radio_type = UNSET, .tuner_addr = ADDR_UNSET, .radio_addr = ADDR_UNSET, + .audio_chip = V4L2_IDENT_WM8775, .input = {{ .type = CX88_VMUX_DVB, .vmux = 0, + /* 2: Line-In */ + .audioroute = 2, },{ .type = CX88_VMUX_COMPOSITE1, .vmux = 1, + /* 2: Line-In */ + .audioroute = 2, },{ .type = CX88_VMUX_SVIDEO, .vmux = 2, + /* 2: Line-In */ + .audioroute = 2, }}, .mpeg = CX88_MPEG_DVB, }, diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c index 62cea954940..d9249e5a04c 100644 --- a/drivers/media/video/cx88/cx88-video.c +++ b/drivers/media/video/cx88/cx88-video.c @@ -40,7 +40,6 @@ #include "cx88.h" #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> -#include <media/wm8775.h> MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards"); MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); @@ -977,7 +976,6 @@ int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl) const struct cx88_ctrl *c = NULL; u32 value,mask; int i; - struct v4l2_control client_ctl; for (i = 0; i < CX8800_CTLS; i++) { if (cx8800_ctls[i].v.id == ctl->id) { @@ -991,27 +989,6 @@ int cx88_set_control(struct cx88_core *core, struct v4l2_control *ctl) ctl->value = c->v.minimum; if (ctl->value > c->v.maximum) ctl->value = c->v.maximum; - - /* Pass changes onto any WM8775 */ - client_ctl.id = ctl->id; - switch (ctl->id) { - case V4L2_CID_AUDIO_MUTE: - client_ctl.value = ctl->value; - break; - case V4L2_CID_AUDIO_VOLUME: - client_ctl.value = (ctl->value) ? - (0x90 + ctl->value) << 8 : 0; - break; - case V4L2_CID_AUDIO_BALANCE: - client_ctl.value = ctl->value << 9; - break; - default: - client_ctl.id = 0; - break; - } - if (client_ctl.id) - call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl); - mask=c->mask; switch (ctl->id) { case V4L2_CID_AUDIO_BALANCE: @@ -1558,9 +1535,7 @@ static int radio_queryctrl (struct file *file, void *priv, if (c->id < V4L2_CID_BASE || c->id >= V4L2_CID_LASTP1) return -EINVAL; - if (c->id == V4L2_CID_AUDIO_MUTE || - c->id == V4L2_CID_AUDIO_VOLUME || - c->id == V4L2_CID_AUDIO_BALANCE) { + if (c->id == V4L2_CID_AUDIO_MUTE) { for (i = 0; i < CX8800_CTLS; i++) { if (cx8800_ctls[i].v.id == c->id) break; diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index e8c732e7ae4..c9981e77416 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -398,19 +398,17 @@ static inline struct cx88_core *to_core(struct v4l2_device *v4l2_dev) return container_of(v4l2_dev, struct cx88_core, v4l2_dev); } -#define call_hw(core, grpid, o, f, args...) \ +#define call_all(core, o, f, args...) \ do { \ if (!core->i2c_rc) { \ if (core->gate_ctrl) \ core->gate_ctrl(core, 1); \ - v4l2_device_call_all(&core->v4l2_dev, grpid, o, f, ##args); \ + v4l2_device_call_all(&core->v4l2_dev, 0, o, f, ##args); \ if (core->gate_ctrl) \ core->gate_ctrl(core, 0); \ } \ } while (0) -#define call_all(core, o, f, args...) call_hw(core, 0, o, f, ##args) - struct cx8800_dev; struct cx8802_dev; diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 908e3bc8830..2c300728003 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -2377,7 +2377,7 @@ static const struct v4l2_file_operations radio_fops = { .owner = THIS_MODULE, .open = em28xx_v4l2_open, .release = em28xx_v4l2_close, - .ioctl = video_ioctl2, + .unlocked_ioctl = video_ioctl2, }; static const struct v4l2_ioctl_ops radio_ioctl_ops = { diff --git a/drivers/media/video/et61x251/et61x251_core.c b/drivers/media/video/et61x251/et61x251_core.c index a5cfc76b40b..bb164099ea2 100644 --- a/drivers/media/video/et61x251/et61x251_core.c +++ b/drivers/media/video/et61x251/et61x251_core.c @@ -2530,7 +2530,7 @@ static const struct v4l2_file_operations et61x251_fops = { .owner = THIS_MODULE, .open = et61x251_open, .release = et61x251_release, - .ioctl = et61x251_ioctl, + .unlocked_ioctl = et61x251_ioctl, .read = et61x251_read, .poll = et61x251_poll, .mmap = et61x251_mmap, diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index 330dadc0010..e23de57e2c7 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -63,7 +63,10 @@ struct sd { #define QUALITY_DEF 80 u8 jpegqual; /* webcam quality */ + u8 reg01; + u8 reg17; u8 reg18; + u8 flags; s8 ag_cnt; #define AG_CNT_START 13 @@ -96,6 +99,22 @@ enum sensors { SENSOR_SP80708, }; +/* device flags */ +#define PDN_INV 1 /* inverse pin S_PWR_DN / sn_xxx tables */ + +/* sn9c1xx definitions */ +/* register 0x01 */ +#define S_PWR_DN 0x01 /* sensor power down */ +#define S_PDN_INV 0x02 /* inverse pin S_PWR_DN */ +#define V_TX_EN 0x04 /* video transfer enable */ +#define LED 0x08 /* output to pin LED */ +#define SCL_SEL_OD 0x20 /* open-drain mode */ +#define SYS_SEL_48M 0x40 /* system clock 0: 24MHz, 1: 48MHz */ +/* register 0x17 */ +#define MCK_SIZE_MASK 0x1f /* sensor master clock */ +#define SEN_CLK_EN 0x20 /* enable sensor clock */ +#define DEF_EN 0x80 /* defect pixel by 0: soft, 1: hard */ + /* V4L2 controls supported by the driver */ static void setbrightness(struct gspca_dev *gspca_dev); static void setcontrast(struct gspca_dev *gspca_dev); @@ -1755,141 +1774,6 @@ static void po2030n_probe(struct gspca_dev *gspca_dev) } } -static void bridge_init(struct gspca_dev *gspca_dev, - const u8 *sn9c1xx) -{ - struct sd *sd = (struct sd *) gspca_dev; - u8 reg0102[2]; - const u8 *reg9a; - static const u8 reg9a_def[] = - {0x00, 0x40, 0x20, 0x00, 0x00, 0x00}; - static const u8 reg9a_spec[] = - {0x00, 0x40, 0x38, 0x30, 0x00, 0x20}; - static const u8 regd4[] = {0x60, 0x00, 0x00}; - - /* sensor clock already enabled in sd_init */ - /* reg_w1(gspca_dev, 0xf1, 0x00); */ - reg_w1(gspca_dev, 0x01, sn9c1xx[1]); - - /* configure gpio */ - reg0102[0] = sn9c1xx[1]; - reg0102[1] = sn9c1xx[2]; - if (gspca_dev->audio) - reg0102[1] |= 0x04; /* keep the audio connection */ - reg_w(gspca_dev, 0x01, reg0102, 2); - reg_w(gspca_dev, 0x08, &sn9c1xx[8], 2); - reg_w(gspca_dev, 0x17, &sn9c1xx[0x17], 5); - switch (sd->sensor) { - case SENSOR_GC0307: - case SENSOR_OV7660: - case SENSOR_PO1030: - case SENSOR_PO2030N: - case SENSOR_SOI768: - case SENSOR_SP80708: - reg9a = reg9a_spec; - break; - default: - reg9a = reg9a_def; - break; - } - reg_w(gspca_dev, 0x9a, reg9a, 6); - - reg_w(gspca_dev, 0xd4, regd4, sizeof regd4); - - reg_w(gspca_dev, 0x03, &sn9c1xx[3], 0x0f); - - switch (sd->sensor) { - case SENSOR_ADCM1700: - reg_w1(gspca_dev, 0x01, 0x43); - reg_w1(gspca_dev, 0x17, 0x62); - reg_w1(gspca_dev, 0x01, 0x42); - reg_w1(gspca_dev, 0x01, 0x42); - break; - case SENSOR_GC0307: - msleep(50); - reg_w1(gspca_dev, 0x01, 0x61); - reg_w1(gspca_dev, 0x17, 0x22); - reg_w1(gspca_dev, 0x01, 0x60); - reg_w1(gspca_dev, 0x01, 0x40); - msleep(50); - break; - case SENSOR_MI0360B: - reg_w1(gspca_dev, 0x01, 0x61); - reg_w1(gspca_dev, 0x17, 0x60); - reg_w1(gspca_dev, 0x01, 0x60); - reg_w1(gspca_dev, 0x01, 0x40); - break; - case SENSOR_MT9V111: - reg_w1(gspca_dev, 0x01, 0x61); - reg_w1(gspca_dev, 0x17, 0x61); - reg_w1(gspca_dev, 0x01, 0x60); - reg_w1(gspca_dev, 0x01, 0x40); - break; - case SENSOR_OM6802: - msleep(10); - reg_w1(gspca_dev, 0x02, 0x73); - reg_w1(gspca_dev, 0x17, 0x60); - reg_w1(gspca_dev, 0x01, 0x22); - msleep(100); - reg_w1(gspca_dev, 0x01, 0x62); - reg_w1(gspca_dev, 0x17, 0x64); - reg_w1(gspca_dev, 0x17, 0x64); - reg_w1(gspca_dev, 0x01, 0x42); - msleep(10); - reg_w1(gspca_dev, 0x01, 0x42); - i2c_w8(gspca_dev, om6802_init0[0]); - i2c_w8(gspca_dev, om6802_init0[1]); - msleep(15); - reg_w1(gspca_dev, 0x02, 0x71); - msleep(150); - break; - case SENSOR_OV7630: - reg_w1(gspca_dev, 0x01, 0x61); - reg_w1(gspca_dev, 0x17, 0xe2); - reg_w1(gspca_dev, 0x01, 0x60); - reg_w1(gspca_dev, 0x01, 0x40); - break; - case SENSOR_OV7648: - reg_w1(gspca_dev, 0x01, 0x63); - reg_w1(gspca_dev, 0x17, 0x20); - reg_w1(gspca_dev, 0x01, 0x62); - reg_w1(gspca_dev, 0x01, 0x42); - break; - case SENSOR_PO1030: - case SENSOR_SOI768: - reg_w1(gspca_dev, 0x01, 0x61); - reg_w1(gspca_dev, 0x17, 0x20); - reg_w1(gspca_dev, 0x01, 0x60); - reg_w1(gspca_dev, 0x01, 0x40); - break; - case SENSOR_PO2030N: - case SENSOR_OV7660: - reg_w1(gspca_dev, 0x01, 0x63); - reg_w1(gspca_dev, 0x17, 0x20); - reg_w1(gspca_dev, 0x01, 0x62); - reg_w1(gspca_dev, 0x01, 0x42); - break; - case SENSOR_SP80708: - reg_w1(gspca_dev, 0x01, 0x63); - reg_w1(gspca_dev, 0x17, 0x20); - reg_w1(gspca_dev, 0x01, 0x62); - reg_w1(gspca_dev, 0x01, 0x42); - msleep(100); - reg_w1(gspca_dev, 0x02, 0x62); - break; - default: -/* case SENSOR_HV7131R: */ -/* case SENSOR_MI0360: */ -/* case SENSOR_MO4000: */ - reg_w1(gspca_dev, 0x01, 0x43); - reg_w1(gspca_dev, 0x17, 0x61); - reg_w1(gspca_dev, 0x01, 0x42); - if (sd->sensor == SENSOR_HV7131R) - hv7131r_probe(gspca_dev); - break; - } -} - /* this function is called at probe time */ static int sd_config(struct gspca_dev *gspca_dev, const struct usb_device_id *id) @@ -1898,7 +1782,8 @@ static int sd_config(struct gspca_dev *gspca_dev, struct cam *cam; sd->bridge = id->driver_info >> 16; - sd->sensor = id->driver_info; + sd->sensor = id->driver_info >> 8; + sd->flags = id->driver_info; cam = &gspca_dev->cam; if (sd->sensor == SENSOR_ADCM1700) { @@ -1929,7 +1814,7 @@ static int sd_init(struct gspca_dev *gspca_dev) /* setup a selector by bridge */ reg_w1(gspca_dev, 0xf1, 0x01); reg_r(gspca_dev, 0x00, 1); - reg_w1(gspca_dev, 0xf1, gspca_dev->usb_buf[0]); + reg_w1(gspca_dev, 0xf1, 0x00); reg_r(gspca_dev, 0x00, 1); /* get sonix chip id */ regF1 = gspca_dev->usb_buf[0]; if (gspca_dev->usb_err < 0) @@ -2423,10 +2308,17 @@ static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; int i; - u8 reg1, reg17; + u8 reg01, reg17; + u8 reg0102[2]; const u8 *sn9c1xx; const u8 (*init)[8]; + const u8 *reg9a; int mode; + static const u8 reg9a_def[] = + {0x00, 0x40, 0x20, 0x00, 0x00, 0x00}; + static const u8 reg9a_spec[] = + {0x00, 0x40, 0x38, 0x30, 0x00, 0x20}; + static const u8 regd4[] = {0x60, 0x00, 0x00}; static const u8 C0[] = { 0x2d, 0x2d, 0x3a, 0x05, 0x04, 0x3f }; static const u8 CA[] = { 0x28, 0xd8, 0x14, 0xec }; static const u8 CA_adcm1700[] = @@ -2448,7 +2340,85 @@ static int sd_start(struct gspca_dev *gspca_dev) /* initialize the bridge */ sn9c1xx = sn_tb[sd->sensor]; - bridge_init(gspca_dev, sn9c1xx); + + /* sensor clock already enabled in sd_init */ + /* reg_w1(gspca_dev, 0xf1, 0x00); */ + reg01 = sn9c1xx[1]; + if (sd->flags & PDN_INV) + reg01 ^= S_PDN_INV; /* power down inverted */ + reg_w1(gspca_dev, 0x01, reg01); + + /* configure gpio */ + reg0102[0] = reg01; + reg0102[1] = sn9c1xx[2]; + if (gspca_dev->audio) + reg0102[1] |= 0x04; /* keep the audio connection */ + reg_w(gspca_dev, 0x01, reg0102, 2); + reg_w(gspca_dev, 0x08, &sn9c1xx[8], 2); + reg_w(gspca_dev, 0x17, &sn9c1xx[0x17], 5); + switch (sd->sensor) { + case SENSOR_GC0307: + case SENSOR_OV7660: + case SENSOR_PO1030: + case SENSOR_PO2030N: + case SENSOR_SOI768: + case SENSOR_SP80708: + reg9a = reg9a_spec; + break; + default: + reg9a = reg9a_def; + break; + } + reg_w(gspca_dev, 0x9a, reg9a, 6); + + reg_w(gspca_dev, 0xd4, regd4, sizeof regd4); + + reg_w(gspca_dev, 0x03, &sn9c1xx[3], 0x0f); + + reg17 = sn9c1xx[0x17]; + switch (sd->sensor) { + case SENSOR_GC0307: + msleep(50); /*fixme: is it useful? */ + break; + case SENSOR_OM6802: + msleep(10); + reg_w1(gspca_dev, 0x02, 0x73); + reg17 |= SEN_CLK_EN; + reg_w1(gspca_dev, 0x17, reg17); + reg_w1(gspca_dev, 0x01, 0x22); + msleep(100); + reg01 = SCL_SEL_OD | S_PDN_INV; + reg17 &= MCK_SIZE_MASK; + reg17 |= 0x04; /* clock / 4 */ + break; + } + reg01 |= SYS_SEL_48M; + reg_w1(gspca_dev, 0x01, reg01); + reg17 |= SEN_CLK_EN; + reg_w1(gspca_dev, 0x17, reg17); + reg01 &= ~S_PWR_DN; /* sensor power on */ + reg_w1(gspca_dev, 0x01, reg01); + reg01 &= ~SYS_SEL_48M; + reg_w1(gspca_dev, 0x01, reg01); + + switch (sd->sensor) { + case SENSOR_HV7131R: + hv7131r_probe(gspca_dev); /*fixme: is it useful? */ + break; + case SENSOR_OM6802: + msleep(10); + reg_w1(gspca_dev, 0x01, reg01); + i2c_w8(gspca_dev, om6802_init0[0]); + i2c_w8(gspca_dev, om6802_init0[1]); + msleep(15); + reg_w1(gspca_dev, 0x02, 0x71); + msleep(150); + break; + case SENSOR_SP80708: + msleep(100); + reg_w1(gspca_dev, 0x02, 0x62); + break; + } /* initialize the sensor */ i2c_w_seq(gspca_dev, sensor_init[sd->sensor]); @@ -2476,30 +2446,11 @@ static int sd_start(struct gspca_dev *gspca_dev) } reg_w1(gspca_dev, 0x18, sn9c1xx[0x18]); switch (sd->sensor) { - case SENSOR_GC0307: - reg17 = 0xa2; - break; - case SENSOR_MT9V111: - case SENSOR_MI0360B: - reg17 = 0xe0; - break; - case SENSOR_ADCM1700: - case SENSOR_OV7630: - reg17 = 0xe2; - break; - case SENSOR_OV7648: - reg17 = 0x20; - break; - case SENSOR_OV7660: - case SENSOR_SOI768: - reg17 = 0xa0; - break; - case SENSOR_PO1030: - case SENSOR_PO2030N: - reg17 = 0xa0; + case SENSOR_OM6802: +/* case SENSOR_OV7648: * fixme: sometimes */ break; default: - reg17 = 0x60; + reg17 |= DEF_EN; break; } reg_w1(gspca_dev, 0x17, reg17); @@ -2546,95 +2497,67 @@ static int sd_start(struct gspca_dev *gspca_dev) init = NULL; mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv; - if (mode) - reg1 = 0x46; /* 320x240: clk 48Mhz, video trf enable */ - else - reg1 = 0x06; /* 640x480: clk 24Mhz, video trf enable */ - reg17 = 0x61; /* 0x:20: enable sensor clock */ + reg01 |= SYS_SEL_48M | V_TX_EN; + reg17 &= ~MCK_SIZE_MASK; + reg17 |= 0x02; /* clock / 2 */ switch (sd->sensor) { case SENSOR_ADCM1700: init = adcm1700_sensor_param1; - reg1 = 0x46; - reg17 = 0xe2; break; case SENSOR_GC0307: init = gc0307_sensor_param1; - reg17 = 0xa2; - reg1 = 0x44; + break; + case SENSOR_HV7131R: + case SENSOR_MI0360: + if (mode) + reg01 |= SYS_SEL_48M; /* 320x240: clk 48Mhz */ + else + reg01 &= ~SYS_SEL_48M; /* 640x480: clk 24Mhz */ + reg17 &= ~MCK_SIZE_MASK; + reg17 |= 0x01; /* clock / 1 */ break; case SENSOR_MI0360B: init = mi0360b_sensor_param1; - reg1 &= ~0x02; /* don't inverse pin S_PWR_DN */ - reg17 = 0xe2; break; case SENSOR_MO4000: - if (mode) { -/* reg1 = 0x46; * 320 clk 48Mhz 60fp/s */ - reg1 = 0x06; /* clk 24Mz */ - } else { - reg17 = 0x22; /* 640 MCKSIZE */ -/* reg1 = 0x06; * 640 clk 24Mz (done) */ + if (mode) { /* if 320x240 */ + reg01 &= ~SYS_SEL_48M; /* clk 24Mz */ + reg17 &= ~MCK_SIZE_MASK; + reg17 |= 0x01; /* clock / 1 */ } break; case SENSOR_MT9V111: init = mt9v111_sensor_param1; - if (mode) { - reg1 = 0x04; /* 320 clk 48Mhz */ - } else { -/* reg1 = 0x06; * 640 clk 24Mz (done) */ - reg17 = 0xc2; - } break; case SENSOR_OM6802: init = om6802_sensor_param1; - reg17 = 0x64; /* 640 MCKSIZE */ + if (!mode) { /* if 640x480 */ + reg17 &= ~MCK_SIZE_MASK; + reg17 |= 0x01; /* clock / 4 */ + } break; case SENSOR_OV7630: init = ov7630_sensor_param1; - reg17 = 0xe2; - reg1 = 0x44; break; case SENSOR_OV7648: init = ov7648_sensor_param1; - reg17 = 0x21; -/* reg1 = 0x42; * 42 - 46? */ + reg17 &= ~MCK_SIZE_MASK; + reg17 |= 0x01; /* clock / 1 */ break; case SENSOR_OV7660: init = ov7660_sensor_param1; - if (sd->bridge == BRIDGE_SN9C120) { - if (mode) { /* 320x240 - 160x120 */ - reg17 = 0xa2; - reg1 = 0x44; /* 48 Mhz, video trf eneble */ - } - } else { - reg17 = 0x22; - reg1 = 0x06; /* 24 Mhz, video trf eneble - * inverse power down */ - } break; case SENSOR_PO1030: init = po1030_sensor_param1; - reg17 = 0xa2; - reg1 = 0x44; break; case SENSOR_PO2030N: init = po2030n_sensor_param1; - reg1 = 0x46; - reg17 = 0xa2; break; case SENSOR_SOI768: init = soi768_sensor_param1; - reg1 = 0x44; - reg17 = 0xa2; break; case SENSOR_SP80708: init = sp80708_sensor_param1; - if (mode) { -/*?? reg1 = 0x04; * 320 clk 48Mhz */ - } else { - reg1 = 0x46; /* 640 clk 48Mz */ - reg17 = 0xa2; - } break; } @@ -2684,7 +2607,9 @@ static int sd_start(struct gspca_dev *gspca_dev) setjpegqual(gspca_dev); reg_w1(gspca_dev, 0x17, reg17); - reg_w1(gspca_dev, 0x01, reg1); + reg_w1(gspca_dev, 0x01, reg01); + sd->reg01 = reg01; + sd->reg17 = reg17; sethvflip(gspca_dev); setbrightness(gspca_dev); @@ -2706,41 +2631,64 @@ static void sd_stopN(struct gspca_dev *gspca_dev) { 0xa1, 0x21, 0x76, 0x20, 0x00, 0x00, 0x00, 0x10 }; static const u8 stopsoi768[] = { 0xa1, 0x21, 0x12, 0x80, 0x00, 0x00, 0x00, 0x10 }; - u8 data; - const u8 *sn9c1xx; + u8 reg01; + u8 reg17; - data = 0x0b; + reg01 = sd->reg01; + reg17 = sd->reg17 & ~SEN_CLK_EN; switch (sd->sensor) { + case SENSOR_ADCM1700: case SENSOR_GC0307: - data = 0x29; + case SENSOR_PO2030N: + case SENSOR_SP80708: + reg01 |= LED; + reg_w1(gspca_dev, 0x01, reg01); + reg01 &= ~(LED | V_TX_EN); + reg_w1(gspca_dev, 0x01, reg01); +/* reg_w1(gspca_dev, 0x02, 0x??); * LED off ? */ break; case SENSOR_HV7131R: + reg01 &= ~V_TX_EN; + reg_w1(gspca_dev, 0x01, reg01); i2c_w8(gspca_dev, stophv7131); - data = 0x2b; break; case SENSOR_MI0360: case SENSOR_MI0360B: + reg01 &= ~V_TX_EN; + reg_w1(gspca_dev, 0x01, reg01); +/* reg_w1(gspca_dev, 0x02, 0x40); * LED off ? */ i2c_w8(gspca_dev, stopmi0360); - data = 0x29; break; - case SENSOR_OV7648: - i2c_w8(gspca_dev, stopov7648); - /* fall thru */ case SENSOR_MT9V111: - case SENSOR_OV7630: + case SENSOR_OM6802: case SENSOR_PO1030: - data = 0x29; + reg01 &= ~V_TX_EN; + reg_w1(gspca_dev, 0x01, reg01); + break; + case SENSOR_OV7630: + case SENSOR_OV7648: + reg01 &= ~V_TX_EN; + reg_w1(gspca_dev, 0x01, reg01); + i2c_w8(gspca_dev, stopov7648); + break; + case SENSOR_OV7660: + reg01 &= ~V_TX_EN; + reg_w1(gspca_dev, 0x01, reg01); break; case SENSOR_SOI768: i2c_w8(gspca_dev, stopsoi768); - data = 0x29; break; } - sn9c1xx = sn_tb[sd->sensor]; - reg_w1(gspca_dev, 0x01, sn9c1xx[1]); - reg_w1(gspca_dev, 0x17, sn9c1xx[0x17]); - reg_w1(gspca_dev, 0x01, sn9c1xx[1]); - reg_w1(gspca_dev, 0x01, data); + + reg01 |= SCL_SEL_OD; + reg_w1(gspca_dev, 0x01, reg01); + reg01 |= S_PWR_DN; /* sensor power down */ + reg_w1(gspca_dev, 0x01, reg01); + reg_w1(gspca_dev, 0x17, reg17); + reg01 &= ~SYS_SEL_48M; /* clock 24MHz */ + reg_w1(gspca_dev, 0x01, reg01); + reg01 |= LED; + reg_w1(gspca_dev, 0x01, reg01); /* Don't disable sensor clock as that disables the button on the cam */ /* reg_w1(gspca_dev, 0xf1, 0x01); */ } @@ -2954,14 +2902,18 @@ static const struct sd_desc sd_desc = { /* -- module initialisation -- */ #define BS(bridge, sensor) \ .driver_info = (BRIDGE_ ## bridge << 16) \ - | SENSOR_ ## sensor + | (SENSOR_ ## sensor << 8) +#define BSF(bridge, sensor, flags) \ + .driver_info = (BRIDGE_ ## bridge << 16) \ + | (SENSOR_ ## sensor << 8) \ + | (flags) static const __devinitdata struct usb_device_id device_table[] = { #if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE {USB_DEVICE(0x0458, 0x7025), BS(SN9C120, MI0360)}, {USB_DEVICE(0x0458, 0x702e), BS(SN9C120, OV7660)}, #endif - {USB_DEVICE(0x045e, 0x00f5), BS(SN9C105, OV7660)}, - {USB_DEVICE(0x045e, 0x00f7), BS(SN9C105, OV7660)}, + {USB_DEVICE(0x045e, 0x00f5), BSF(SN9C105, OV7660, PDN_INV)}, + {USB_DEVICE(0x045e, 0x00f7), BSF(SN9C105, OV7660, PDN_INV)}, {USB_DEVICE(0x0471, 0x0327), BS(SN9C105, MI0360)}, {USB_DEVICE(0x0471, 0x0328), BS(SN9C105, MI0360)}, {USB_DEVICE(0x0471, 0x0330), BS(SN9C105, MI0360)}, diff --git a/drivers/media/video/meye.c b/drivers/media/video/meye.c index 2be23bccd3c..48d2c2419c1 100644 --- a/drivers/media/video/meye.c +++ b/drivers/media/video/meye.c @@ -1659,7 +1659,7 @@ static const struct v4l2_file_operations meye_fops = { .open = meye_open, .release = meye_release, .mmap = meye_mmap, - .ioctl = video_ioctl2, + .unlocked_ioctl = video_ioctl2, .poll = meye_poll, }; @@ -1831,12 +1831,6 @@ static int __devinit meye_probe(struct pci_dev *pcidev, msleep(1); mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK); - if (video_register_device(meye.vdev, VFL_TYPE_GRABBER, - video_nr) < 0) { - v4l2_err(v4l2_dev, "video_register_device failed\n"); - goto outvideoreg; - } - mutex_init(&meye.lock); init_waitqueue_head(&meye.proc_list); meye.brightness = 32 << 10; @@ -1858,6 +1852,12 @@ static int __devinit meye_probe(struct pci_dev *pcidev, sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE, 0); sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC, 48); + if (video_register_device(meye.vdev, VFL_TYPE_GRABBER, + video_nr) < 0) { + v4l2_err(v4l2_dev, "video_register_device failed\n"); + goto outvideoreg; + } + v4l2_info(v4l2_dev, "Motion Eye Camera Driver v%s.\n", MEYE_DRIVER_VERSION); v4l2_info(v4l2_dev, "mchip KL5A72002 rev. %d, base %lx, irq %d\n", diff --git a/drivers/media/video/mx2_camera.c b/drivers/media/video/mx2_camera.c index 072bd2d1cfa..13565cba237 100644 --- a/drivers/media/video/mx2_camera.c +++ b/drivers/media/video/mx2_camera.c @@ -807,8 +807,6 @@ static int mx2_camera_set_bus_param(struct soc_camera_device *icd, if (common_flags & SOCAM_PCLK_SAMPLE_RISING) csicr1 |= CSICR1_REDGE; - if (common_flags & SOCAM_PCLK_SAMPLE_FALLING) - csicr1 |= CSICR1_INV_PCLK; if (common_flags & SOCAM_VSYNC_ACTIVE_HIGH) csicr1 |= CSICR1_SOF_POL; if (common_flags & SOCAM_HSYNC_ACTIVE_HIGH) diff --git a/drivers/media/video/pms.c b/drivers/media/video/pms.c index 7129b50757d..7551907f8c2 100644 --- a/drivers/media/video/pms.c +++ b/drivers/media/video/pms.c @@ -932,7 +932,7 @@ static ssize_t pms_read(struct file *file, char __user *buf, static const struct v4l2_file_operations pms_fops = { .owner = THIS_MODULE, - .ioctl = video_ioctl2, + .unlocked_ioctl = video_ioctl2, .read = pms_read, }; diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c index 1b93207c89e..2f500809f53 100644 --- a/drivers/media/video/s5p-fimc/fimc-capture.c +++ b/drivers/media/video/s5p-fimc/fimc-capture.c @@ -522,6 +522,7 @@ static int fimc_cap_streamon(struct file *file, void *priv, INIT_LIST_HEAD(&fimc->vid_cap.active_buf_q); fimc->vid_cap.active_buf_cnt = 0; fimc->vid_cap.frame_count = 0; + fimc->vid_cap.buf_index = fimc_hw_get_frame_index(fimc); set_bit(ST_CAPT_PEND, &fimc->state); ret = videobuf_streamon(&fimc->vid_cap.vbq); @@ -652,6 +653,50 @@ static int fimc_cap_s_ctrl(struct file *file, void *priv, return ret; } +static int fimc_cap_cropcap(struct file *file, void *fh, + struct v4l2_cropcap *cr) +{ + struct fimc_frame *f; + struct fimc_ctx *ctx = fh; + struct fimc_dev *fimc = ctx->fimc_dev; + + if (cr->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + + if (mutex_lock_interruptible(&fimc->lock)) + return -ERESTARTSYS; + + f = &ctx->s_frame; + cr->bounds.left = 0; + cr->bounds.top = 0; + cr->bounds.width = f->o_width; + cr->bounds.height = f->o_height; + cr->defrect = cr->bounds; + + mutex_unlock(&fimc->lock); + return 0; +} + +static int fimc_cap_g_crop(struct file *file, void *fh, struct v4l2_crop *cr) +{ + struct fimc_frame *f; + struct fimc_ctx *ctx = file->private_data; + struct fimc_dev *fimc = ctx->fimc_dev; + + + if (mutex_lock_interruptible(&fimc->lock)) + return -ERESTARTSYS; + + f = &ctx->s_frame; + cr->c.left = f->offs_h; + cr->c.top = f->offs_v; + cr->c.width = f->width; + cr->c.height = f->height; + + mutex_unlock(&fimc->lock); + return 0; +} + static int fimc_cap_s_crop(struct file *file, void *fh, struct v4l2_crop *cr) { @@ -716,9 +761,9 @@ static const struct v4l2_ioctl_ops fimc_capture_ioctl_ops = { .vidioc_g_ctrl = fimc_vidioc_g_ctrl, .vidioc_s_ctrl = fimc_cap_s_ctrl, - .vidioc_g_crop = fimc_vidioc_g_crop, + .vidioc_g_crop = fimc_cap_g_crop, .vidioc_s_crop = fimc_cap_s_crop, - .vidioc_cropcap = fimc_vidioc_cropcap, + .vidioc_cropcap = fimc_cap_cropcap, .vidioc_enum_input = fimc_cap_enum_input, .vidioc_s_input = fimc_cap_s_input, @@ -785,7 +830,7 @@ int fimc_register_capture_device(struct fimc_dev *fimc) videobuf_queue_dma_contig_init(&vid_cap->vbq, &fimc_qops, vid_cap->v4l2_dev.dev, &fimc->irqlock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_NONE, - sizeof(struct fimc_vid_buffer), (void *)ctx); + sizeof(struct fimc_vid_buffer), (void *)ctx, NULL); ret = video_register_device(vfd, VFL_TYPE_GRABBER, -1); if (ret) { diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c index 2e7c547894b..bb99f2d805d 100644 --- a/drivers/media/video/s5p-fimc/fimc-core.c +++ b/drivers/media/video/s5p-fimc/fimc-core.c @@ -50,8 +50,8 @@ static struct fimc_fmt fimc_formats[] = { .planes_cnt = 1, .flags = FMT_FLAGS_M2M, }, { - .name = "XRGB-8-8-8-8, 24 bpp", - .fourcc = V4L2_PIX_FMT_RGB24, + .name = "XRGB-8-8-8-8, 32 bpp", + .fourcc = V4L2_PIX_FMT_RGB32, .depth = 32, .color = S5P_FIMC_RGB888, .buff_cnt = 1, @@ -983,6 +983,7 @@ int fimc_vidioc_queryctrl(struct file *file, void *priv, { struct fimc_ctx *ctx = priv; struct v4l2_queryctrl *c; + int ret = -EINVAL; c = get_ctrl(qc->id); if (c) { @@ -990,10 +991,14 @@ int fimc_vidioc_queryctrl(struct file *file, void *priv, return 0; } - if (ctx->state & FIMC_CTX_CAP) - return v4l2_subdev_call(ctx->fimc_dev->vid_cap.sd, + if (ctx->state & FIMC_CTX_CAP) { + if (mutex_lock_interruptible(&ctx->fimc_dev->lock)) + return -ERESTARTSYS; + ret = v4l2_subdev_call(ctx->fimc_dev->vid_cap.sd, core, queryctrl, qc); - return -EINVAL; + mutex_unlock(&ctx->fimc_dev->lock); + } + return ret; } int fimc_vidioc_g_ctrl(struct file *file, void *priv, @@ -1115,7 +1120,7 @@ static int fimc_m2m_s_ctrl(struct file *file, void *priv, return 0; } -int fimc_vidioc_cropcap(struct file *file, void *fh, +static int fimc_m2m_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cr) { struct fimc_frame *frame; @@ -1139,7 +1144,7 @@ int fimc_vidioc_cropcap(struct file *file, void *fh, return 0; } -int fimc_vidioc_g_crop(struct file *file, void *fh, struct v4l2_crop *cr) +static int fimc_m2m_g_crop(struct file *file, void *fh, struct v4l2_crop *cr) { struct fimc_frame *frame; struct fimc_ctx *ctx = file->private_data; @@ -1167,22 +1172,22 @@ int fimc_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr) struct fimc_frame *f; u32 min_size, halign; - f = (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) ? - &ctx->s_frame : &ctx->d_frame; - if (cr->c.top < 0 || cr->c.left < 0) { v4l2_err(&fimc->m2m.v4l2_dev, "doesn't support negative values for top & left\n"); return -EINVAL; } - f = ctx_get_frame(ctx, cr->type); - if (IS_ERR(f)) - return PTR_ERR(f); + if (cr->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + f = (ctx->state & FIMC_CTX_CAP) ? &ctx->s_frame : &ctx->d_frame; + else if (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && + ctx->state & FIMC_CTX_M2M) + f = &ctx->s_frame; + else + return -EINVAL; - min_size = (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) - ? fimc->variant->min_inp_pixsize - : fimc->variant->min_out_pixsize; + min_size = (f == &ctx->s_frame) ? + fimc->variant->min_inp_pixsize : fimc->variant->min_out_pixsize; if (ctx->state & FIMC_CTX_M2M) { if (fimc->id == 1 && fimc->variant->pix_hoff) @@ -1233,6 +1238,9 @@ static int fimc_m2m_s_crop(struct file *file, void *fh, struct v4l2_crop *cr) f = (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) ? &ctx->s_frame : &ctx->d_frame; + if (mutex_lock_interruptible(&fimc->lock)) + return -ERESTARTSYS; + spin_lock_irqsave(&ctx->slock, flags); if (~ctx->state & (FIMC_SRC_FMT | FIMC_DST_FMT)) { /* Check to see if scaling ratio is within supported range */ @@ -1241,9 +1249,9 @@ static int fimc_m2m_s_crop(struct file *file, void *fh, struct v4l2_crop *cr) else ret = fimc_check_scaler_ratio(&cr->c, &ctx->s_frame); if (ret) { - spin_unlock_irqrestore(&ctx->slock, flags); v4l2_err(&fimc->m2m.v4l2_dev, "Out of scaler range"); - return -EINVAL; + ret = -EINVAL; + goto scr_unlock; } } ctx->state |= FIMC_PARAMS; @@ -1253,7 +1261,9 @@ static int fimc_m2m_s_crop(struct file *file, void *fh, struct v4l2_crop *cr) f->width = cr->c.width; f->height = cr->c.height; +scr_unlock: spin_unlock_irqrestore(&ctx->slock, flags); + mutex_unlock(&fimc->lock); return 0; } @@ -1285,9 +1295,9 @@ static const struct v4l2_ioctl_ops fimc_m2m_ioctl_ops = { .vidioc_g_ctrl = fimc_vidioc_g_ctrl, .vidioc_s_ctrl = fimc_m2m_s_ctrl, - .vidioc_g_crop = fimc_vidioc_g_crop, + .vidioc_g_crop = fimc_m2m_g_crop, .vidioc_s_crop = fimc_m2m_s_crop, - .vidioc_cropcap = fimc_vidioc_cropcap + .vidioc_cropcap = fimc_m2m_cropcap }; @@ -1396,7 +1406,7 @@ static const struct v4l2_file_operations fimc_m2m_fops = { .open = fimc_m2m_open, .release = fimc_m2m_release, .poll = fimc_m2m_poll, - .ioctl = video_ioctl2, + .unlocked_ioctl = video_ioctl2, .mmap = fimc_m2m_mmap, }; @@ -1736,6 +1746,7 @@ static struct samsung_fimc_variant fimc0_variant_s5pv310 = { .pix_hoff = 1, .has_inp_rot = 1, .has_out_rot = 1, + .has_cistatus2 = 1, .min_inp_pixsize = 16, .min_out_pixsize = 16, .hor_offs_align = 1, @@ -1745,6 +1756,7 @@ static struct samsung_fimc_variant fimc0_variant_s5pv310 = { static struct samsung_fimc_variant fimc2_variant_s5pv310 = { .pix_hoff = 1, + .has_cistatus2 = 1, .min_inp_pixsize = 16, .min_out_pixsize = 16, .hor_offs_align = 1, diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h index 3e107851656..4f047d35f8a 100644 --- a/drivers/media/video/s5p-fimc/fimc-core.h +++ b/drivers/media/video/s5p-fimc/fimc-core.h @@ -13,13 +13,15 @@ /*#define DEBUG*/ +#include <linux/sched.h> #include <linux/types.h> +#include <linux/videodev2.h> #include <media/videobuf-core.h> #include <media/v4l2-device.h> #include <media/v4l2-mem2mem.h> #include <media/v4l2-mediabus.h> #include <media/s3c_fimc.h> -#include <linux/videodev2.h> + #include "regs-fimc.h" #define err(fmt, args...) \ @@ -369,6 +371,7 @@ struct fimc_pix_limit { * @pix_hoff: indicate whether horizontal offset is in pixels or in bytes * @has_inp_rot: set if has input rotator * @has_out_rot: set if has output rotator + * @has_cistatus2: 1 if CISTATUS2 register is present in this IP revision * @pix_limit: pixel size constraints for the scaler * @min_inp_pixsize: minimum input pixel size * @min_out_pixsize: minimum output pixel size @@ -379,6 +382,7 @@ struct samsung_fimc_variant { unsigned int pix_hoff:1; unsigned int has_inp_rot:1; unsigned int has_out_rot:1; + unsigned int has_cistatus2:1; struct fimc_pix_limit *pix_limit; u16 min_inp_pixsize; u16 min_out_pixsize; @@ -554,11 +558,19 @@ static inline struct fimc_frame *ctx_get_frame(struct fimc_ctx *ctx, return frame; } +/* Return an index to the buffer actually being written. */ static inline u32 fimc_hw_get_frame_index(struct fimc_dev *dev) { - u32 reg = readl(dev->regs + S5P_CISTATUS); - return (reg & S5P_CISTATUS_FRAMECNT_MASK) >> - S5P_CISTATUS_FRAMECNT_SHIFT; + u32 reg; + + if (dev->variant->has_cistatus2) { + reg = readl(dev->regs + S5P_CISTATUS2) & 0x3F; + return reg > 0 ? --reg : reg; + } else { + reg = readl(dev->regs + S5P_CISTATUS); + return (reg & S5P_CISTATUS_FRAMECNT_MASK) >> + S5P_CISTATUS_FRAMECNT_SHIFT; + } } /* -----------------------------------------------------*/ @@ -594,10 +606,6 @@ int fimc_vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f); int fimc_vidioc_try_fmt(struct file *file, void *priv, struct v4l2_format *f); -int fimc_vidioc_g_crop(struct file *file, void *fh, - struct v4l2_crop *cr); -int fimc_vidioc_cropcap(struct file *file, void *fh, - struct v4l2_cropcap *cr); int fimc_vidioc_queryctrl(struct file *file, void *priv, struct v4l2_queryctrl *qc); int fimc_vidioc_g_ctrl(struct file *file, void *priv, diff --git a/drivers/media/video/s5p-fimc/regs-fimc.h b/drivers/media/video/s5p-fimc/regs-fimc.h index a57daedb5b5..57e33f84fcf 100644 --- a/drivers/media/video/s5p-fimc/regs-fimc.h +++ b/drivers/media/video/s5p-fimc/regs-fimc.h @@ -165,6 +165,9 @@ #define S5P_CISTATUS_VVALID_A (1 << 15) #define S5P_CISTATUS_VVALID_B (1 << 14) +/* Indexes to the last and the currently processed buffer. */ +#define S5P_CISTATUS2 0x68 + /* Image capture control */ #define S5P_CIIMGCPT 0xc0 #define S5P_CIIMGCPT_IMGCPTEN (1 << 31) diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c index 5c209afb0ac..2486520582f 100644 --- a/drivers/media/video/sh_mobile_ceu_camera.c +++ b/drivers/media/video/sh_mobile_ceu_camera.c @@ -1980,7 +1980,7 @@ static int __devinit sh_mobile_ceu_probe(struct platform_device *pdev) * we complete the completion. */ - if (!csi2->driver || !csi2->driver->owner) { + if (!csi2->driver) { complete(&wait.completion); /* Either too late, or probing failed */ bus_unregister_notifier(&platform_bus_type, &wait.notifier); diff --git a/drivers/media/video/sh_vou.c b/drivers/media/video/sh_vou.c index 4e5a8cf76de..07cf0c6c7c1 100644 --- a/drivers/media/video/sh_vou.c +++ b/drivers/media/video/sh_vou.c @@ -75,6 +75,7 @@ struct sh_vou_device { int pix_idx; struct videobuf_buffer *active; enum sh_vou_status status; + struct mutex fop_lock; }; struct sh_vou_file { @@ -235,7 +236,7 @@ static void free_buffer(struct videobuf_queue *vq, struct videobuf_buffer *vb) vb->state = VIDEOBUF_NEEDS_INIT; } -/* Locking: caller holds vq->vb_lock mutex */ +/* Locking: caller holds fop_lock mutex */ static int sh_vou_buf_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) { @@ -257,7 +258,7 @@ static int sh_vou_buf_setup(struct videobuf_queue *vq, unsigned int *count, return 0; } -/* Locking: caller holds vq->vb_lock mutex */ +/* Locking: caller holds fop_lock mutex */ static int sh_vou_buf_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, enum v4l2_field field) @@ -306,7 +307,7 @@ static int sh_vou_buf_prepare(struct videobuf_queue *vq, return 0; } -/* Locking: caller holds vq->vb_lock mutex and vq->irqlock spinlock */ +/* Locking: caller holds fop_lock mutex and vq->irqlock spinlock */ static void sh_vou_buf_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) { @@ -1190,7 +1191,7 @@ static int sh_vou_open(struct file *file) V4L2_BUF_TYPE_VIDEO_OUTPUT, V4L2_FIELD_NONE, sizeof(struct videobuf_buffer), vdev, - NULL); + &vou_dev->fop_lock); return 0; } @@ -1292,7 +1293,7 @@ static const struct v4l2_file_operations sh_vou_fops = { .owner = THIS_MODULE, .open = sh_vou_open, .release = sh_vou_release, - .ioctl = video_ioctl2, + .unlocked_ioctl = video_ioctl2, .mmap = sh_vou_mmap, .poll = sh_vou_poll, }; @@ -1331,6 +1332,7 @@ static int __devinit sh_vou_probe(struct platform_device *pdev) INIT_LIST_HEAD(&vou_dev->queue); spin_lock_init(&vou_dev->lock); + mutex_init(&vou_dev->fop_lock); atomic_set(&vou_dev->use_count, 0); vou_dev->pdata = vou_pdata; vou_dev->status = SH_VOU_IDLE; @@ -1388,6 +1390,7 @@ static int __devinit sh_vou_probe(struct platform_device *pdev) vdev->tvnorms |= V4L2_STD_PAL; vdev->v4l2_dev = &vou_dev->v4l2_dev; vdev->release = video_device_release; + vdev->lock = &vou_dev->fop_lock; vou_dev->vdev = vdev; video_set_drvdata(vdev, vou_dev); diff --git a/drivers/media/video/sn9c102/sn9c102_core.c b/drivers/media/video/sn9c102/sn9c102_core.c index 28e19daadec..f49fbfb7dc1 100644 --- a/drivers/media/video/sn9c102/sn9c102_core.c +++ b/drivers/media/video/sn9c102/sn9c102_core.c @@ -3238,7 +3238,7 @@ static const struct v4l2_file_operations sn9c102_fops = { .owner = THIS_MODULE, .open = sn9c102_open, .release = sn9c102_release, - .ioctl = sn9c102_ioctl, + .unlocked_ioctl = sn9c102_ioctl, .read = sn9c102_read, .poll = sn9c102_poll, .mmap = sn9c102_mmap, diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c index 335120c2021..052bd6dfa5a 100644 --- a/drivers/media/video/soc_camera.c +++ b/drivers/media/video/soc_camera.c @@ -405,13 +405,13 @@ static int soc_camera_open(struct file *file) ret = soc_camera_set_fmt(icd, &f); if (ret < 0) goto esfmt; + + ici->ops->init_videobuf(&icd->vb_vidq, icd); } file->private_data = icd; dev_dbg(&icd->dev, "camera device open\n"); - ici->ops->init_videobuf(&icd->vb_vidq, icd); - mutex_unlock(&icd->video_lock); return 0; diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c index f169f773667..59f8a9ad379 100644 --- a/drivers/media/video/uvc/uvc_ctrl.c +++ b/drivers/media/video/uvc/uvc_ctrl.c @@ -785,7 +785,7 @@ static void __uvc_find_control(struct uvc_entity *entity, __u32 v4l2_id, } } -struct uvc_control *uvc_find_control(struct uvc_video_chain *chain, +static struct uvc_control *uvc_find_control(struct uvc_video_chain *chain, __u32 v4l2_id, struct uvc_control_mapping **mapping) { struct uvc_control *ctrl = NULL; @@ -944,6 +944,52 @@ done: return ret; } +/* + * Mapping V4L2 controls to UVC controls can be straighforward if done well. + * Most of the UVC controls exist in V4L2, and can be mapped directly. Some + * must be grouped (for instance the Red Balance, Blue Balance and Do White + * Balance V4L2 controls use the White Balance Component UVC control) or + * otherwise translated. The approach we take here is to use a translation + * table for the controls that can be mapped directly, and handle the others + * manually. + */ +int uvc_query_v4l2_menu(struct uvc_video_chain *chain, + struct v4l2_querymenu *query_menu) +{ + struct uvc_menu_info *menu_info; + struct uvc_control_mapping *mapping; + struct uvc_control *ctrl; + u32 index = query_menu->index; + u32 id = query_menu->id; + int ret; + + memset(query_menu, 0, sizeof(*query_menu)); + query_menu->id = id; + query_menu->index = index; + + ret = mutex_lock_interruptible(&chain->ctrl_mutex); + if (ret < 0) + return -ERESTARTSYS; + + ctrl = uvc_find_control(chain, query_menu->id, &mapping); + if (ctrl == NULL || mapping->v4l2_type != V4L2_CTRL_TYPE_MENU) { + ret = -EINVAL; + goto done; + } + + if (query_menu->index >= mapping->menu_count) { + ret = -EINVAL; + goto done; + } + + menu_info = &mapping->menu_info[query_menu->index]; + strlcpy(query_menu->name, menu_info->name, sizeof query_menu->name); + +done: + mutex_unlock(&chain->ctrl_mutex); + return ret; +} + /* -------------------------------------------------------------------------- * Control transactions diff --git a/drivers/media/video/uvc/uvc_queue.c b/drivers/media/video/uvc/uvc_queue.c index ed6d5449741..f14581bd707 100644 --- a/drivers/media/video/uvc/uvc_queue.c +++ b/drivers/media/video/uvc/uvc_queue.c @@ -90,6 +90,39 @@ void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, } /* + * Free the video buffers. + * + * This function must be called with the queue lock held. + */ +static int __uvc_free_buffers(struct uvc_video_queue *queue) +{ + unsigned int i; + + for (i = 0; i < queue->count; ++i) { + if (queue->buffer[i].vma_use_count != 0) + return -EBUSY; + } + + if (queue->count) { + vfree(queue->mem); + queue->count = 0; + } + + return 0; +} + +int uvc_free_buffers(struct uvc_video_queue *queue) +{ + int ret; + + mutex_lock(&queue->mutex); + ret = __uvc_free_buffers(queue); + mutex_unlock(&queue->mutex); + + return ret; +} + +/* * Allocate the video buffers. * * Pages are reserved to make sure they will not be swapped, as they will be @@ -110,7 +143,7 @@ int uvc_alloc_buffers(struct uvc_video_queue *queue, unsigned int nbuffers, mutex_lock(&queue->mutex); - if ((ret = uvc_free_buffers(queue)) < 0) + if ((ret = __uvc_free_buffers(queue)) < 0) goto done; /* Bail out if no buffers should be allocated. */ @@ -152,28 +185,6 @@ done: } /* - * Free the video buffers. - * - * This function must be called with the queue lock held. - */ -int uvc_free_buffers(struct uvc_video_queue *queue) -{ - unsigned int i; - - for (i = 0; i < queue->count; ++i) { - if (queue->buffer[i].vma_use_count != 0) - return -EBUSY; - } - - if (queue->count) { - vfree(queue->mem); - queue->count = 0; - } - - return 0; -} - -/* * Check if buffers have been allocated. */ int uvc_queue_allocated(struct uvc_video_queue *queue) @@ -369,6 +380,82 @@ done: } /* + * VMA operations. + */ +static void uvc_vm_open(struct vm_area_struct *vma) +{ + struct uvc_buffer *buffer = vma->vm_private_data; + buffer->vma_use_count++; +} + +static void uvc_vm_close(struct vm_area_struct *vma) +{ + struct uvc_buffer *buffer = vma->vm_private_data; + buffer->vma_use_count--; +} + +static const struct vm_operations_struct uvc_vm_ops = { + .open = uvc_vm_open, + .close = uvc_vm_close, +}; + +/* + * Memory-map a video buffer. + * + * This function implements video buffers memory mapping and is intended to be + * used by the device mmap handler. + */ +int uvc_queue_mmap(struct uvc_video_queue *queue, struct vm_area_struct *vma) +{ + struct uvc_buffer *uninitialized_var(buffer); + struct page *page; + unsigned long addr, start, size; + unsigned int i; + int ret = 0; + + start = vma->vm_start; + size = vma->vm_end - vma->vm_start; + + mutex_lock(&queue->mutex); + + for (i = 0; i < queue->count; ++i) { + buffer = &queue->buffer[i]; + if ((buffer->buf.m.offset >> PAGE_SHIFT) == vma->vm_pgoff) + break; + } + + if (i == queue->count || size != queue->buf_size) { + ret = -EINVAL; + goto done; + } + + /* + * VM_IO marks the area as being an mmaped region for I/O to a + * device. It also prevents the region from being core dumped. + */ + vma->vm_flags |= VM_IO; + + addr = (unsigned long)queue->mem + buffer->buf.m.offset; + while (size > 0) { + page = vmalloc_to_page((void *)addr); + if ((ret = vm_insert_page(vma, start, page)) < 0) + goto done; + + start += PAGE_SIZE; + addr += PAGE_SIZE; + size -= PAGE_SIZE; + } + + vma->vm_ops = &uvc_vm_ops; + vma->vm_private_data = buffer; + uvc_vm_open(vma); + +done: + mutex_unlock(&queue->mutex); + return ret; +} + +/* * Poll the video queue. * * This function implements video queue polling and is intended to be used by diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c index 6d15de9b520..8cf61e8a634 100644 --- a/drivers/media/video/uvc/uvc_v4l2.c +++ b/drivers/media/video/uvc/uvc_v4l2.c @@ -101,40 +101,6 @@ done: */ /* - * Mapping V4L2 controls to UVC controls can be straighforward if done well. - * Most of the UVC controls exist in V4L2, and can be mapped directly. Some - * must be grouped (for instance the Red Balance, Blue Balance and Do White - * Balance V4L2 controls use the White Balance Component UVC control) or - * otherwise translated. The approach we take here is to use a translation - * table for the controls that can be mapped directly, and handle the others - * manually. - */ -static int uvc_v4l2_query_menu(struct uvc_video_chain *chain, - struct v4l2_querymenu *query_menu) -{ - struct uvc_menu_info *menu_info; - struct uvc_control_mapping *mapping; - struct uvc_control *ctrl; - u32 index = query_menu->index; - u32 id = query_menu->id; - - ctrl = uvc_find_control(chain, query_menu->id, &mapping); - if (ctrl == NULL || mapping->v4l2_type != V4L2_CTRL_TYPE_MENU) - return -EINVAL; - - if (query_menu->index >= mapping->menu_count) - return -EINVAL; - - memset(query_menu, 0, sizeof(*query_menu)); - query_menu->id = id; - query_menu->index = index; - - menu_info = &mapping->menu_info[query_menu->index]; - strlcpy(query_menu->name, menu_info->name, sizeof query_menu->name); - return 0; -} - -/* * Find the frame interval closest to the requested frame interval for the * given frame format and size. This should be done by the device as part of * the Video Probe and Commit negotiation, but some hardware don't implement @@ -260,12 +226,14 @@ static int uvc_v4l2_try_format(struct uvc_streaming *stream, * developers test their webcams with the Linux driver as well as with * the Windows driver). */ + mutex_lock(&stream->mutex); if (stream->dev->quirks & UVC_QUIRK_PROBE_EXTRAFIELDS) probe->dwMaxVideoFrameSize = stream->ctrl.dwMaxVideoFrameSize; /* Probe the device. */ ret = uvc_probe_video(stream, probe); + mutex_unlock(&stream->mutex); if (ret < 0) goto done; @@ -289,14 +257,21 @@ done: static int uvc_v4l2_get_format(struct uvc_streaming *stream, struct v4l2_format *fmt) { - struct uvc_format *format = stream->cur_format; - struct uvc_frame *frame = stream->cur_frame; + struct uvc_format *format; + struct uvc_frame *frame; + int ret = 0; if (fmt->type != stream->type) return -EINVAL; - if (format == NULL || frame == NULL) - return -EINVAL; + mutex_lock(&stream->mutex); + format = stream->cur_format; + frame = stream->cur_frame; + + if (format == NULL || frame == NULL) { + ret = -EINVAL; + goto done; + } fmt->fmt.pix.pixelformat = format->fcc; fmt->fmt.pix.width = frame->wWidth; @@ -307,7 +282,9 @@ static int uvc_v4l2_get_format(struct uvc_streaming *stream, fmt->fmt.pix.colorspace = format->colorspace; fmt->fmt.pix.priv = 0; - return 0; +done: + mutex_unlock(&stream->mutex); + return ret; } static int uvc_v4l2_set_format(struct uvc_streaming *stream, @@ -321,18 +298,24 @@ static int uvc_v4l2_set_format(struct uvc_streaming *stream, if (fmt->type != stream->type) return -EINVAL; - if (uvc_queue_allocated(&stream->queue)) - return -EBUSY; - ret = uvc_v4l2_try_format(stream, fmt, &probe, &format, &frame); if (ret < 0) return ret; + mutex_lock(&stream->mutex); + + if (uvc_queue_allocated(&stream->queue)) { + ret = -EBUSY; + goto done; + } + memcpy(&stream->ctrl, &probe, sizeof probe); stream->cur_format = format; stream->cur_frame = frame; - return 0; +done: + mutex_unlock(&stream->mutex); + return ret; } static int uvc_v4l2_get_streamparm(struct uvc_streaming *stream, @@ -343,7 +326,10 @@ static int uvc_v4l2_get_streamparm(struct uvc_streaming *stream, if (parm->type != stream->type) return -EINVAL; + mutex_lock(&stream->mutex); numerator = stream->ctrl.dwFrameInterval; + mutex_unlock(&stream->mutex); + denominator = 10000000; uvc_simplify_fraction(&numerator, &denominator, 8, 333); @@ -370,7 +356,6 @@ static int uvc_v4l2_get_streamparm(struct uvc_streaming *stream, static int uvc_v4l2_set_streamparm(struct uvc_streaming *stream, struct v4l2_streamparm *parm) { - struct uvc_frame *frame = stream->cur_frame; struct uvc_streaming_control probe; struct v4l2_fract timeperframe; uint32_t interval; @@ -379,28 +364,36 @@ static int uvc_v4l2_set_streamparm(struct uvc_streaming *stream, if (parm->type != stream->type) return -EINVAL; - if (uvc_queue_streaming(&stream->queue)) - return -EBUSY; - if (parm->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) timeperframe = parm->parm.capture.timeperframe; else timeperframe = parm->parm.output.timeperframe; - memcpy(&probe, &stream->ctrl, sizeof probe); interval = uvc_fraction_to_interval(timeperframe.numerator, timeperframe.denominator); - uvc_trace(UVC_TRACE_FORMAT, "Setting frame interval to %u/%u (%u).\n", timeperframe.numerator, timeperframe.denominator, interval); - probe.dwFrameInterval = uvc_try_frame_interval(frame, interval); + + mutex_lock(&stream->mutex); + + if (uvc_queue_streaming(&stream->queue)) { + mutex_unlock(&stream->mutex); + return -EBUSY; + } + + memcpy(&probe, &stream->ctrl, sizeof probe); + probe.dwFrameInterval = + uvc_try_frame_interval(stream->cur_frame, interval); /* Probe the device with the new settings. */ ret = uvc_probe_video(stream, &probe); - if (ret < 0) + if (ret < 0) { + mutex_unlock(&stream->mutex); return ret; + } memcpy(&stream->ctrl, &probe, sizeof probe); + mutex_unlock(&stream->mutex); /* Return the actual frame period. */ timeperframe.numerator = probe.dwFrameInterval; @@ -528,11 +521,9 @@ static int uvc_v4l2_release(struct file *file) if (uvc_has_privileges(handle)) { uvc_video_enable(stream, 0); - mutex_lock(&stream->queue.mutex); if (uvc_free_buffers(&stream->queue) < 0) uvc_printk(KERN_ERR, "uvc_v4l2_release: Unable to " "free buffers.\n"); - mutex_unlock(&stream->queue.mutex); } /* Release the file handle. */ @@ -624,7 +615,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) } case VIDIOC_QUERYMENU: - return uvc_v4l2_query_menu(chain, arg); + return uvc_query_v4l2_menu(chain, arg); case VIDIOC_G_EXT_CTRLS: { @@ -905,15 +896,17 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_CROPCAP: { struct v4l2_cropcap *ccap = arg; - struct uvc_frame *frame = stream->cur_frame; if (ccap->type != stream->type) return -EINVAL; ccap->bounds.left = 0; ccap->bounds.top = 0; - ccap->bounds.width = frame->wWidth; - ccap->bounds.height = frame->wHeight; + + mutex_lock(&stream->mutex); + ccap->bounds.width = stream->cur_frame->wWidth; + ccap->bounds.height = stream->cur_frame->wHeight; + mutex_unlock(&stream->mutex); ccap->defrect = ccap->bounds; @@ -930,8 +923,6 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_REQBUFS: { struct v4l2_requestbuffers *rb = arg; - unsigned int bufsize = - stream->ctrl.dwMaxVideoFrameSize; if (rb->type != stream->type || rb->memory != V4L2_MEMORY_MMAP) @@ -940,7 +931,10 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) if ((ret = uvc_acquire_privileges(handle)) < 0) return ret; - ret = uvc_alloc_buffers(&stream->queue, rb->count, bufsize); + mutex_lock(&stream->mutex); + ret = uvc_alloc_buffers(&stream->queue, rb->count, + stream->ctrl.dwMaxVideoFrameSize); + mutex_unlock(&stream->mutex); if (ret < 0) return ret; @@ -988,7 +982,9 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) if (!uvc_has_privileges(handle)) return -EBUSY; + mutex_lock(&stream->mutex); ret = uvc_video_enable(stream, 1); + mutex_unlock(&stream->mutex); if (ret < 0) return ret; break; @@ -1068,79 +1064,14 @@ static ssize_t uvc_v4l2_read(struct file *file, char __user *data, return -EINVAL; } -/* - * VMA operations. - */ -static void uvc_vm_open(struct vm_area_struct *vma) -{ - struct uvc_buffer *buffer = vma->vm_private_data; - buffer->vma_use_count++; -} - -static void uvc_vm_close(struct vm_area_struct *vma) -{ - struct uvc_buffer *buffer = vma->vm_private_data; - buffer->vma_use_count--; -} - -static const struct vm_operations_struct uvc_vm_ops = { - .open = uvc_vm_open, - .close = uvc_vm_close, -}; - static int uvc_v4l2_mmap(struct file *file, struct vm_area_struct *vma) { struct uvc_fh *handle = file->private_data; struct uvc_streaming *stream = handle->stream; - struct uvc_video_queue *queue = &stream->queue; - struct uvc_buffer *uninitialized_var(buffer); - struct page *page; - unsigned long addr, start, size; - unsigned int i; - int ret = 0; uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_mmap\n"); - start = vma->vm_start; - size = vma->vm_end - vma->vm_start; - - mutex_lock(&queue->mutex); - - for (i = 0; i < queue->count; ++i) { - buffer = &queue->buffer[i]; - if ((buffer->buf.m.offset >> PAGE_SHIFT) == vma->vm_pgoff) - break; - } - - if (i == queue->count || size != queue->buf_size) { - ret = -EINVAL; - goto done; - } - - /* - * VM_IO marks the area as being an mmaped region for I/O to a - * device. It also prevents the region from being core dumped. - */ - vma->vm_flags |= VM_IO; - - addr = (unsigned long)queue->mem + buffer->buf.m.offset; - while (size > 0) { - page = vmalloc_to_page((void *)addr); - if ((ret = vm_insert_page(vma, start, page)) < 0) - goto done; - - start += PAGE_SIZE; - addr += PAGE_SIZE; - size -= PAGE_SIZE; - } - - vma->vm_ops = &uvc_vm_ops; - vma->vm_private_data = buffer; - uvc_vm_open(vma); - -done: - mutex_unlock(&queue->mutex); - return ret; + return uvc_queue_mmap(&stream->queue, vma); } static unsigned int uvc_v4l2_poll(struct file *file, poll_table *wait) @@ -1157,7 +1088,7 @@ const struct v4l2_file_operations uvc_fops = { .owner = THIS_MODULE, .open = uvc_v4l2_open, .release = uvc_v4l2_release, - .ioctl = uvc_v4l2_ioctl, + .unlocked_ioctl = uvc_v4l2_ioctl, .read = uvc_v4l2_read, .mmap = uvc_v4l2_mmap, .poll = uvc_v4l2_poll, diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index 5555f010283..5673d673504 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -293,8 +293,6 @@ int uvc_probe_video(struct uvc_streaming *stream, unsigned int i; int ret; - mutex_lock(&stream->mutex); - /* Perform probing. The device should adjust the requested values * according to its capabilities. However, some devices, namely the * first generation UVC Logitech webcams, don't implement the Video @@ -346,7 +344,6 @@ int uvc_probe_video(struct uvc_streaming *stream, } done: - mutex_unlock(&stream->mutex); return ret; } diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h index d97cf6d6a4f..45f01e7e13d 100644 --- a/drivers/media/video/uvc/uvcvideo.h +++ b/drivers/media/video/uvc/uvcvideo.h @@ -436,7 +436,9 @@ struct uvc_streaming { struct uvc_streaming_control ctrl; struct uvc_format *cur_format; struct uvc_frame *cur_frame; - + /* Protect access to ctrl, cur_format, cur_frame and hardware video + * probe control. + */ struct mutex mutex; unsigned int frozen : 1; @@ -574,6 +576,8 @@ extern int uvc_queue_enable(struct uvc_video_queue *queue, int enable); extern void uvc_queue_cancel(struct uvc_video_queue *queue, int disconnect); extern struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue, struct uvc_buffer *buf); +extern int uvc_queue_mmap(struct uvc_video_queue *queue, + struct vm_area_struct *vma); extern unsigned int uvc_queue_poll(struct uvc_video_queue *queue, struct file *file, poll_table *wait); extern int uvc_queue_allocated(struct uvc_video_queue *queue); @@ -606,10 +610,10 @@ extern int uvc_status_suspend(struct uvc_device *dev); extern int uvc_status_resume(struct uvc_device *dev); /* Controls */ -extern struct uvc_control *uvc_find_control(struct uvc_video_chain *chain, - __u32 v4l2_id, struct uvc_control_mapping **mapping); extern int uvc_query_v4l2_ctrl(struct uvc_video_chain *chain, struct v4l2_queryctrl *v4l2_ctrl); +extern int uvc_query_v4l2_menu(struct uvc_video_chain *chain, + struct v4l2_querymenu *query_menu); extern int uvc_ctrl_add_mapping(struct uvc_video_chain *chain, const struct uvc_control_mapping *mapping); diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c index 03f7f4670e9..359e23290a7 100644 --- a/drivers/media/video/v4l2-dev.c +++ b/drivers/media/video/v4l2-dev.c @@ -186,12 +186,12 @@ static ssize_t v4l2_read(struct file *filp, char __user *buf, size_t sz, loff_t *off) { struct video_device *vdev = video_devdata(filp); - int ret = -EIO; + int ret = -ENODEV; if (!vdev->fops->read) return -EINVAL; - if (vdev->lock) - mutex_lock(vdev->lock); + if (vdev->lock && mutex_lock_interruptible(vdev->lock)) + return -ERESTARTSYS; if (video_is_registered(vdev)) ret = vdev->fops->read(filp, buf, sz, off); if (vdev->lock) @@ -203,12 +203,12 @@ static ssize_t v4l2_write(struct file *filp, const char __user *buf, size_t sz, loff_t *off) { struct video_device *vdev = video_devdata(filp); - int ret = -EIO; + int ret = -ENODEV; if (!vdev->fops->write) return -EINVAL; - if (vdev->lock) - mutex_lock(vdev->lock); + if (vdev->lock && mutex_lock_interruptible(vdev->lock)) + return -ERESTARTSYS; if (video_is_registered(vdev)) ret = vdev->fops->write(filp, buf, sz, off); if (vdev->lock) @@ -219,10 +219,10 @@ static ssize_t v4l2_write(struct file *filp, const char __user *buf, static unsigned int v4l2_poll(struct file *filp, struct poll_table_struct *poll) { struct video_device *vdev = video_devdata(filp); - int ret = DEFAULT_POLLMASK; + int ret = POLLERR | POLLHUP; if (!vdev->fops->poll) - return ret; + return DEFAULT_POLLMASK; if (vdev->lock) mutex_lock(vdev->lock); if (video_is_registered(vdev)) @@ -238,20 +238,45 @@ static long v4l2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) int ret = -ENODEV; if (vdev->fops->unlocked_ioctl) { - if (vdev->lock) - mutex_lock(vdev->lock); + if (vdev->lock && mutex_lock_interruptible(vdev->lock)) + return -ERESTARTSYS; if (video_is_registered(vdev)) ret = vdev->fops->unlocked_ioctl(filp, cmd, arg); if (vdev->lock) mutex_unlock(vdev->lock); } else if (vdev->fops->ioctl) { - /* TODO: convert all drivers to unlocked_ioctl */ + /* This code path is a replacement for the BKL. It is a major + * hack but it will have to do for those drivers that are not + * yet converted to use unlocked_ioctl. + * + * There are two options: if the driver implements struct + * v4l2_device, then the lock defined there is used to + * serialize the ioctls. Otherwise the v4l2 core lock defined + * below is used. This lock is really bad since it serializes + * completely independent devices. + * + * Both variants suffer from the same problem: if the driver + * sleeps, then it blocks all ioctls since the lock is still + * held. This is very common for VIDIOC_DQBUF since that + * normally waits for a frame to arrive. As a result any other + * ioctl calls will proceed very, very slowly since each call + * will have to wait for the VIDIOC_QBUF to finish. Things that + * should take 0.01s may now take 10-20 seconds. + * + * The workaround is to *not* take the lock for VIDIOC_DQBUF. + * This actually works OK for videobuf-based drivers, since + * videobuf will take its own internal lock. + */ static DEFINE_MUTEX(v4l2_ioctl_mutex); + struct mutex *m = vdev->v4l2_dev ? + &vdev->v4l2_dev->ioctl_lock : &v4l2_ioctl_mutex; - mutex_lock(&v4l2_ioctl_mutex); + if (cmd != VIDIOC_DQBUF && mutex_lock_interruptible(m)) + return -ERESTARTSYS; if (video_is_registered(vdev)) ret = vdev->fops->ioctl(filp, cmd, arg); - mutex_unlock(&v4l2_ioctl_mutex); + if (cmd != VIDIOC_DQBUF) + mutex_unlock(m); } else ret = -ENOTTY; @@ -265,8 +290,8 @@ static int v4l2_mmap(struct file *filp, struct vm_area_struct *vm) if (!vdev->fops->mmap) return ret; - if (vdev->lock) - mutex_lock(vdev->lock); + if (vdev->lock && mutex_lock_interruptible(vdev->lock)) + return -ERESTARTSYS; if (video_is_registered(vdev)) ret = vdev->fops->mmap(filp, vm); if (vdev->lock) @@ -284,7 +309,7 @@ static int v4l2_open(struct inode *inode, struct file *filp) mutex_lock(&videodev_lock); vdev = video_devdata(filp); /* return ENODEV if the video device has already been removed. */ - if (vdev == NULL) { + if (vdev == NULL || !video_is_registered(vdev)) { mutex_unlock(&videodev_lock); return -ENODEV; } @@ -292,8 +317,10 @@ static int v4l2_open(struct inode *inode, struct file *filp) video_get(vdev); mutex_unlock(&videodev_lock); if (vdev->fops->open) { - if (vdev->lock) - mutex_lock(vdev->lock); + if (vdev->lock && mutex_lock_interruptible(vdev->lock)) { + ret = -ERESTARTSYS; + goto err; + } if (video_is_registered(vdev)) ret = vdev->fops->open(filp); else @@ -302,6 +329,7 @@ static int v4l2_open(struct inode *inode, struct file *filp) mutex_unlock(vdev->lock); } +err: /* decrease the refcount in case of an error */ if (ret) video_put(vdev); @@ -596,7 +624,12 @@ void video_unregister_device(struct video_device *vdev) if (!vdev || !video_is_registered(vdev)) return; + mutex_lock(&videodev_lock); + /* This must be in a critical section to prevent a race with v4l2_open. + * Once this bit has been cleared video_get may never be called again. + */ clear_bit(V4L2_FL_REGISTERED, &vdev->flags); + mutex_unlock(&videodev_lock); device_unregister(&vdev->dev); } EXPORT_SYMBOL(video_unregister_device); diff --git a/drivers/media/video/v4l2-device.c b/drivers/media/video/v4l2-device.c index 0b08f96b74a..7fe6f92af48 100644 --- a/drivers/media/video/v4l2-device.c +++ b/drivers/media/video/v4l2-device.c @@ -35,6 +35,7 @@ int v4l2_device_register(struct device *dev, struct v4l2_device *v4l2_dev) INIT_LIST_HEAD(&v4l2_dev->subdevs); spin_lock_init(&v4l2_dev->lock); + mutex_init(&v4l2_dev->ioctl_lock); v4l2_dev->dev = dev; if (dev == NULL) { /* If dev == NULL, then name must be filled in by the caller */ diff --git a/drivers/media/video/w9966.c b/drivers/media/video/w9966.c index 635420d8d84..019ee206cbe 100644 --- a/drivers/media/video/w9966.c +++ b/drivers/media/video/w9966.c @@ -815,7 +815,7 @@ out: static const struct v4l2_file_operations w9966_fops = { .owner = THIS_MODULE, - .ioctl = video_ioctl2, + .unlocked_ioctl = video_ioctl2, .read = w9966_v4l_read, }; diff --git a/drivers/media/video/wm8775.c b/drivers/media/video/wm8775.c index 13552564908..fe8ef6419f8 100644 --- a/drivers/media/video/wm8775.c +++ b/drivers/media/video/wm8775.c @@ -35,7 +35,6 @@ #include <media/v4l2-device.h> #include <media/v4l2-chip-ident.h> #include <media/v4l2-ctrls.h> -#include <media/wm8775.h> MODULE_DESCRIPTION("wm8775 driver"); MODULE_AUTHOR("Ulf Eklund, Hans Verkuil"); @@ -51,16 +50,10 @@ enum { TOT_REGS }; -#define ALC_HOLD 0x85 /* R17: use zero cross detection, ALC hold time 42.6 ms */ -#define ALC_EN 0x100 /* R17: ALC enable */ - struct wm8775_state { struct v4l2_subdev sd; struct v4l2_ctrl_handler hdl; struct v4l2_ctrl *mute; - struct v4l2_ctrl *vol; - struct v4l2_ctrl *bal; - struct v4l2_ctrl *loud; u8 input; /* Last selected input (0-0xf) */ }; @@ -92,30 +85,6 @@ static int wm8775_write(struct v4l2_subdev *sd, int reg, u16 val) return -1; } -static void wm8775_set_audio(struct v4l2_subdev *sd, int quietly) -{ - struct wm8775_state *state = to_state(sd); - u8 vol_l, vol_r; - int muted = 0 != state->mute->val; - u16 volume = (u16)state->vol->val; - u16 balance = (u16)state->bal->val; - - /* normalize ( 65535 to 0 -> 255 to 0 (+24dB to -103dB) ) */ - vol_l = (min(65536 - balance, 32768) * volume) >> 23; - vol_r = (min(balance, (u16)32768) * volume) >> 23; - - /* Mute */ - if (muted || quietly) - wm8775_write(sd, R21, 0x0c0 | state->input); - - wm8775_write(sd, R14, vol_l | 0x100); /* 0x100= Left channel ADC zero cross enable */ - wm8775_write(sd, R15, vol_r | 0x100); /* 0x100= Right channel ADC zero cross enable */ - - /* Un-mute */ - if (!muted) - wm8775_write(sd, R21, state->input); -} - static int wm8775_s_routing(struct v4l2_subdev *sd, u32 input, u32 output, u32 config) { @@ -133,26 +102,25 @@ static int wm8775_s_routing(struct v4l2_subdev *sd, state->input = input; if (!v4l2_ctrl_g_ctrl(state->mute)) return 0; - if (!v4l2_ctrl_g_ctrl(state->vol)) - return 0; - if (!v4l2_ctrl_g_ctrl(state->bal)) - return 0; - wm8775_set_audio(sd, 1); + wm8775_write(sd, R21, 0x0c0); + wm8775_write(sd, R14, 0x1d4); + wm8775_write(sd, R15, 0x1d4); + wm8775_write(sd, R21, 0x100 + state->input); return 0; } static int wm8775_s_ctrl(struct v4l2_ctrl *ctrl) { struct v4l2_subdev *sd = to_sd(ctrl); + struct wm8775_state *state = to_state(sd); switch (ctrl->id) { case V4L2_CID_AUDIO_MUTE: - case V4L2_CID_AUDIO_VOLUME: - case V4L2_CID_AUDIO_BALANCE: - wm8775_set_audio(sd, 0); - return 0; - case V4L2_CID_AUDIO_LOUDNESS: - wm8775_write(sd, R17, (ctrl->val ? ALC_EN : 0) | ALC_HOLD); + wm8775_write(sd, R21, 0x0c0); + wm8775_write(sd, R14, 0x1d4); + wm8775_write(sd, R15, 0x1d4); + if (!ctrl->val) + wm8775_write(sd, R21, 0x100 + state->input); return 0; } return -EINVAL; @@ -176,7 +144,16 @@ static int wm8775_log_status(struct v4l2_subdev *sd) static int wm8775_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq) { - wm8775_set_audio(sd, 0); + struct wm8775_state *state = to_state(sd); + + /* If I remove this, then it can happen that I have no + sound the first time I tune from static to a valid channel. + It's difficult to reproduce and is almost certainly related + to the zero cross detect circuit. */ + wm8775_write(sd, R21, 0x0c0); + wm8775_write(sd, R14, 0x1d4); + wm8775_write(sd, R15, 0x1d4); + wm8775_write(sd, R21, 0x100 + state->input); return 0; } @@ -226,7 +203,6 @@ static int wm8775_probe(struct i2c_client *client, { struct wm8775_state *state; struct v4l2_subdev *sd; - int err; /* Check if the adapter supports the needed features */ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) @@ -240,21 +216,15 @@ static int wm8775_probe(struct i2c_client *client, return -ENOMEM; sd = &state->sd; v4l2_i2c_subdev_init(sd, client, &wm8775_ops); - sd->grp_id = WM8775_GID; /* subdev group id */ state->input = 2; - v4l2_ctrl_handler_init(&state->hdl, 4); + v4l2_ctrl_handler_init(&state->hdl, 1); state->mute = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops, V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0); - state->vol = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops, - V4L2_CID_AUDIO_VOLUME, 0, 65535, (65535+99)/100, 0xCF00); /* 0dB*/ - state->bal = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops, - V4L2_CID_AUDIO_BALANCE, 0, 65535, (65535+99)/100, 32768); - state->loud = v4l2_ctrl_new_std(&state->hdl, &wm8775_ctrl_ops, - V4L2_CID_AUDIO_LOUDNESS, 0, 1, 1, 1); sd->ctrl_handler = &state->hdl; - err = state->hdl.error; - if (err) { + if (state->hdl.error) { + int err = state->hdl.error; + v4l2_ctrl_handler_free(&state->hdl); kfree(state); return err; @@ -266,25 +236,29 @@ static int wm8775_probe(struct i2c_client *client, wm8775_write(sd, R23, 0x000); /* Disable zero cross detect timeout */ wm8775_write(sd, R7, 0x000); - /* HPF enable, I2S mode, 24-bit */ - wm8775_write(sd, R11, 0x022); + /* Left justified, 24-bit mode */ + wm8775_write(sd, R11, 0x021); /* Master mode, clock ratio 256fs */ wm8775_write(sd, R12, 0x102); /* Powered up */ wm8775_write(sd, R13, 0x000); - /* ALC stereo, ALC target level -5dB FS, ALC max gain +8dB */ - wm8775_write(sd, R16, 0x1bb); - /* Set ALC mode and hold time */ - wm8775_write(sd, R17, (state->loud->val ? ALC_EN : 0) | ALC_HOLD); + /* ADC gain +2.5dB, enable zero cross */ + wm8775_write(sd, R14, 0x1d4); + /* ADC gain +2.5dB, enable zero cross */ + wm8775_write(sd, R15, 0x1d4); + /* ALC Stereo, ALC target level -1dB FS max gain +8dB */ + wm8775_write(sd, R16, 0x1bf); + /* Enable gain control, use zero cross detection, + ALC hold time 42.6 ms */ + wm8775_write(sd, R17, 0x185); /* ALC gain ramp up delay 34 s, ALC gain ramp down delay 33 ms */ wm8775_write(sd, R18, 0x0a2); /* Enable noise gate, threshold -72dBfs */ wm8775_write(sd, R19, 0x005); - /* Transient window 4ms, ALC min gain -5dB */ - wm8775_write(sd, R20, 0x0fb); - - wm8775_set_audio(sd, 1); /* set volume/mute/mux */ - + /* Transient window 4ms, lower PGA gain limit -1dB */ + wm8775_write(sd, R20, 0x07a); + /* LRBOTH = 1, use input 2. */ + wm8775_write(sd, R21, 0x102); return 0; } |