From: "Lad, Prabhakar" <[email protected]> the started member was indicating whether streaming was started or not, this can be determined by vb2 offering, this patch replaces the started member from struct common_obj with appropriate vb2 calls.
Signed-off-by: Lad, Prabhakar <[email protected]> --- drivers/media/platform/davinci/vpif_display.c | 42 ++++++++++--------------- drivers/media/platform/davinci/vpif_display.h | 2 -- 2 files changed, 17 insertions(+), 27 deletions(-) diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index 5ea2db8..aa487a6 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -62,6 +62,10 @@ static struct vpif_config_params config_params = { .channel_bufsize[1] = 720 * 576 * 2, }; + +/* Is set to 1 in case of SDTV formats, 2 in case of HDTV formats. */ +static int ycmux_mode; + static u8 channel_first_int[VPIF_NUMOBJECTS][2] = { {1, 1} }; static struct vpif_device vpif_obj = { {NULL} }; @@ -185,9 +189,8 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) spin_lock_irqsave(&common->irqlock, flags); - /* Initialize field_id and started member */ + /* Initialize field_id */ ch->field_id = 0; - common->started = 1; /* clock settings */ if (vpif_config_data->set_clock) { @@ -204,7 +207,7 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) if (ret < 0) goto err; - common->started = ret; + ycmux_mode = ret; vpif_config_addr(ch, ret); /* Get the next frame from the buffer queue */ common->next_frm = common->cur_frm = @@ -235,8 +238,7 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) channel2_clipping_enable(1); } - if (VPIF_CHANNEL3_VIDEO == ch->channel_id || - common->started == 2) { + if (VPIF_CHANNEL3_VIDEO == ch->channel_id || ycmux_mode == 2) { channel3_intr_assert(); channel3_intr_enable(1); enable_channel3(1); @@ -275,12 +277,10 @@ static void vpif_stop_streaming(struct vb2_queue *vq) enable_channel2(0); channel2_intr_enable(0); } - if (VPIF_CHANNEL3_VIDEO == ch->channel_id || - 2 == common->started) { + if (VPIF_CHANNEL3_VIDEO == ch->channel_id || ycmux_mode == 2) { enable_channel3(0); channel3_intr_enable(0); } - common->started = 0; /* release all active buffers */ spin_lock_irqsave(&common->irqlock, flags); @@ -392,8 +392,6 @@ static irqreturn_t vpif_channel_isr(int irq, void *dev_id) for (i = 0; i < VPIF_NUMOBJECTS; i++) { common = &ch->common[i]; /* If streaming is started in this channel */ - if (0 == common->started) - continue; if (1 == ch->vpifparams.std_info.frm_fmt) { spin_lock(&common->irqlock); @@ -704,10 +702,8 @@ static int vpif_s_fmt_vid_out(struct file *file, void *priv, struct v4l2_pix_format *pixfmt; int ret = 0; - if (common->started) { - vpif_dbg(1, debug, "Streaming in progress\n"); + if (vb2_is_busy(&common->buffer_queue)) return -EBUSY; - } pixfmt = &fmt->fmt.pix; /* Check for valid field format */ @@ -747,13 +743,12 @@ static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; int ret = 0; + if (vb2_is_busy(&common->buffer_queue)) + return -EBUSY; + if (!(std_id & VPIF_V4L2_STD)) return -EINVAL; - if (common->started) { - vpif_err("streaming in progress\n"); - return -EBUSY; - } /* Call encoder subdevice function to set the standard */ ch->video.stdid = std_id; @@ -920,16 +915,14 @@ static int vpif_s_output(struct file *file, void *priv, unsigned int i) struct vpif_display_chan_config *chan_cfg; struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; + if (vb2_is_busy(&common->buffer_queue)) + return -EBUSY; + chan_cfg = &config->chan_config[ch->channel_id]; if (i >= chan_cfg->output_count) return -EINVAL; - if (common->started) { - vpif_err("Streaming in progress\n"); - return -EBUSY; - } - return vpif_set_output(config, ch, i); } @@ -1223,7 +1216,6 @@ static int vpif_probe_complete(void) for (k = 0; k < VPIF_NUMOBJECTS; k++) { common = &ch->common[k]; common->io_usrs = 0; - common->started = 0; spin_lock_init(&common->irqlock); mutex_init(&common->lock); common->set_addr = NULL; @@ -1488,7 +1480,7 @@ static int vpif_suspend(struct device *dev) channel2_intr_enable(0); } if (ch->channel_id == VPIF_CHANNEL3_VIDEO || - common->started == 2) { + ycmux_mode == 2) { enable_channel3(0); channel3_intr_enable(0); } @@ -1518,7 +1510,7 @@ static int vpif_resume(struct device *dev) channel2_intr_enable(1); } if (ch->channel_id == VPIF_CHANNEL3_VIDEO || - common->started == 2) { + ycmux_mode == 2) { enable_channel3(1); channel3_intr_enable(1); } diff --git a/drivers/media/platform/davinci/vpif_display.h b/drivers/media/platform/davinci/vpif_display.h index e21a343..029e0c5 100644 --- a/drivers/media/platform/davinci/vpif_display.h +++ b/drivers/media/platform/davinci/vpif_display.h @@ -85,8 +85,6 @@ struct common_obj { * structure */ u32 io_usrs; /* number of users performing * IO */ - u8 started; /* Indicates whether streaming - * started */ u32 ytop_off; /* offset of Y top from the * starting of the buffer */ u32 ybtm_off; /* offset of Y bottom from the -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
