diff options
Diffstat (limited to 'drivers/media/test-drivers/vivid/vivid-sdr-cap.c')
| -rw-r--r-- | drivers/media/test-drivers/vivid/vivid-sdr-cap.c | 53 |
1 files changed, 33 insertions, 20 deletions
diff --git a/drivers/media/test-drivers/vivid/vivid-sdr-cap.c b/drivers/media/test-drivers/vivid/vivid-sdr-cap.c index 265db2114671..2664a593e8e1 100644 --- a/drivers/media/test-drivers/vivid/vivid-sdr-cap.c +++ b/drivers/media/test-drivers/vivid/vivid-sdr-cap.c @@ -17,6 +17,7 @@ #include <media/v4l2-event.h> #include <media/v4l2-dv-timings.h> #include <linux/fixp-arith.h> +#include <linux/jiffies.h> #include "vivid-core.h" #include "vivid-ctrls.h" @@ -89,7 +90,7 @@ static void vivid_thread_sdr_cap_tick(struct vivid_dev *dev) /* Drop a certain percentage of buffers. */ if (dev->perc_dropped_buffers && - prandom_u32_max(100) < dev->perc_dropped_buffers) + get_random_u32_below(100) < dev->perc_dropped_buffers) return; spin_lock(&dev->slock); @@ -101,7 +102,7 @@ static void vivid_thread_sdr_cap_tick(struct vivid_dev *dev) spin_unlock(&dev->slock); if (sdr_cap_buf) { - sdr_cap_buf->vb.sequence = dev->sdr_cap_seq_count; + sdr_cap_buf->vb.sequence = dev->sdr_cap_with_seq_wrap_count; v4l2_ctrl_request_setup(sdr_cap_buf->vb.vb2_buf.req_obj.req, &dev->ctrl_hdl_sdr_cap); v4l2_ctrl_request_complete(sdr_cap_buf->vb.vb2_buf.req_obj.req, @@ -131,10 +132,13 @@ static int vivid_thread_sdr_cap(void *data) /* Resets frame counters */ dev->sdr_cap_seq_offset = 0; - if (dev->seq_wrap) - dev->sdr_cap_seq_offset = 0xffffff80U; + dev->sdr_cap_seq_count = 0; dev->jiffies_sdr_cap = jiffies; dev->sdr_cap_seq_resync = false; + if (dev->time_wrap) + dev->time_wrap_offset = dev->time_wrap - ktime_get_ns(); + else + dev->time_wrap_offset = 0; for (;;) { try_to_freeze(); @@ -174,6 +178,7 @@ static int vivid_thread_sdr_cap(void *data) } dev->sdr_cap_seq_count = buffers_since_start + dev->sdr_cap_seq_offset; + dev->sdr_cap_with_seq_wrap_count = dev->sdr_cap_seq_count - dev->sdr_cap_seq_start; vivid_thread_sdr_cap_tick(dev); mutex_unlock(&dev->mutex); @@ -201,9 +206,14 @@ static int vivid_thread_sdr_cap(void *data) next_jiffies_since_start = jiffies_since_start; wait_jiffies = next_jiffies_since_start - jiffies_since_start; - while (jiffies - cur_jiffies < wait_jiffies && - !kthread_should_stop()) - schedule(); + if (!time_is_after_jiffies(cur_jiffies + wait_jiffies)) + continue; + + wait_queue_head_t wait; + + init_waitqueue_head(&wait); + wait_event_interruptible_timeout(wait, kthread_should_stop(), + cur_jiffies + wait_jiffies - jiffies); } dprintk(dev, 1, "SDR Capture Thread End\n"); return 0; @@ -214,8 +224,13 @@ static int sdr_cap_queue_setup(struct vb2_queue *vq, unsigned sizes[], struct device *alloc_devs[]) { /* 2 = max 16-bit sample returned */ - sizes[0] = SDR_CAP_SAMPLES_PER_BUF * 2; + u32 size = SDR_CAP_SAMPLES_PER_BUF * 2; + + if (*nplanes) + return sizes[0] < size ? -EINVAL : 0; + *nplanes = 1; + sizes[0] = size; return 0; } @@ -263,7 +278,7 @@ static int sdr_cap_start_streaming(struct vb2_queue *vq, unsigned count) int err = 0; dprintk(dev, 1, "%s\n", __func__); - dev->sdr_cap_seq_count = 0; + dev->sdr_cap_seq_start = dev->seq_wrap * 128; if (dev->start_streaming_error) { dev->start_streaming_error = false; err = -EINVAL; @@ -327,11 +342,9 @@ const struct vb2_ops vivid_sdr_cap_qops = { .start_streaming = sdr_cap_start_streaming, .stop_streaming = sdr_cap_stop_streaming, .buf_request_complete = sdr_cap_buf_request_complete, - .wait_prepare = vb2_ops_wait_prepare, - .wait_finish = vb2_ops_wait_finish, }; -int vivid_sdr_enum_freq_bands(struct file *file, void *fh, +int vivid_sdr_enum_freq_bands(struct file *file, void *priv, struct v4l2_frequency_band *band) { switch (band->tuner) { @@ -350,7 +363,7 @@ int vivid_sdr_enum_freq_bands(struct file *file, void *fh, } } -int vivid_sdr_g_frequency(struct file *file, void *fh, +int vivid_sdr_g_frequency(struct file *file, void *priv, struct v4l2_frequency *vf) { struct vivid_dev *dev = video_drvdata(file); @@ -369,7 +382,7 @@ int vivid_sdr_g_frequency(struct file *file, void *fh, } } -int vivid_sdr_s_frequency(struct file *file, void *fh, +int vivid_sdr_s_frequency(struct file *file, void *priv, const struct v4l2_frequency *vf) { struct vivid_dev *dev = video_drvdata(file); @@ -410,7 +423,7 @@ int vivid_sdr_s_frequency(struct file *file, void *fh, } } -int vivid_sdr_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt) +int vivid_sdr_g_tuner(struct file *file, void *priv, struct v4l2_tuner *vt) { switch (vt->index) { case 0: @@ -434,14 +447,14 @@ int vivid_sdr_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt) } } -int vivid_sdr_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *vt) +int vivid_sdr_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *vt) { if (vt->index > 1) return -EINVAL; return 0; } -int vidioc_enum_fmt_sdr_cap(struct file *file, void *fh, struct v4l2_fmtdesc *f) +int vidioc_enum_fmt_sdr_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { if (f->index >= ARRAY_SIZE(formats)) return -EINVAL; @@ -449,7 +462,7 @@ int vidioc_enum_fmt_sdr_cap(struct file *file, void *fh, struct v4l2_fmtdesc *f) return 0; } -int vidioc_g_fmt_sdr_cap(struct file *file, void *fh, struct v4l2_format *f) +int vidioc_g_fmt_sdr_cap(struct file *file, void *priv, struct v4l2_format *f) { struct vivid_dev *dev = video_drvdata(file); @@ -458,7 +471,7 @@ int vidioc_g_fmt_sdr_cap(struct file *file, void *fh, struct v4l2_format *f) return 0; } -int vidioc_s_fmt_sdr_cap(struct file *file, void *fh, struct v4l2_format *f) +int vidioc_s_fmt_sdr_cap(struct file *file, void *priv, struct v4l2_format *f) { struct vivid_dev *dev = video_drvdata(file); struct vb2_queue *q = &dev->vb_sdr_cap_q; @@ -482,7 +495,7 @@ int vidioc_s_fmt_sdr_cap(struct file *file, void *fh, struct v4l2_format *f) return 0; } -int vidioc_try_fmt_sdr_cap(struct file *file, void *fh, struct v4l2_format *f) +int vidioc_try_fmt_sdr_cap(struct file *file, void *priv, struct v4l2_format *f) { int i; |