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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-20 20:37:45 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-20 20:37:45 +0400 |
commit | fb091be08d1acf184e8801dfdcace6e0cb19b1fe (patch) | |
tree | cbd0c4200fd8628d592167589ca790e36fc4ae26 /drivers/media/video/ivtv/ivtv-irq.c | |
parent | bd7fc2f2d807fdb254f7efc542f8eec3f23e289e (diff) | |
parent | e8d0416796d43a950ec7b65629e53419b2e22453 (diff) | |
download | linux-fb091be08d1acf184e8801dfdcace6e0cb19b1fe.tar.xz |
Merge branch 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (534 commits)
V4L/DVB (13554a): v4l: Use the video_drvdata function in drivers
V4L/DVB: vivi and mem2mem_testdev need slab.h to build
V4L/DVB: tm6000: bugfix image position
V4L/DVB: IR/imon: remove dead IMON_KEY_RELEASE_OFFSET
V4L/DVB: tm6000: README - add vbi
V4L/DVB: Fix unlock logic at medusa_video_init
V4L/DVB: fix dvb frontend lockup
V4L/DVB: s2255drv: remove dead code
V4L/DVB: s2255drv: return if vdev not found
V4L/DVB: ov511: cleanup: remove unneeded null check
V4L/DVB: media/mem2mem: dereferencing free memory
V4L/DVB: media/IR: Add missing include file to rc-map.c
V4L/DVB: dvb/stv6110x: cleanup error handling
V4L/DVB: ngene: Add lgdt3303 and mt2131 deps to Kconfig
V4L/DVB: ngene: start separating out DVB functions into separate file
V4L/DVB: ngene: split out card specific code into a separate file
V4L/DVB: ngene: split out i2c code into a separate file
V4L/DVB: ngene: add initial support for digital side of Avermedia m780
V4L/DVB: ngene: properly support boards where channel 0 isn't a TS input
V4L-DVB: ngene: make sure that tuner headers are included
...
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-irq.c')
-rw-r--r-- | drivers/media/video/ivtv/ivtv-irq.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/media/video/ivtv/ivtv-irq.c b/drivers/media/video/ivtv/ivtv-irq.c index 12d36ca91d53..fea1ec33b0df 100644 --- a/drivers/media/video/ivtv/ivtv-irq.c +++ b/drivers/media/video/ivtv/ivtv-irq.c @@ -25,6 +25,7 @@ #include "ivtv-mailbox.h" #include "ivtv-vbi.h" #include "ivtv-yuv.h" +#include <media/v4l2-event.h> #define DMA_MAGIC_COOKIE 0x000001fe @@ -752,7 +753,7 @@ static void ivtv_irq_vsync(struct ivtv *itv) * to determine the line being displayed and ensure we handle * one vsync per frame. */ - unsigned int frame = read_reg(0x28c0) & 1; + unsigned int frame = read_reg(IVTV_REG_DEC_LINE_FIELD) & 1; struct yuv_playback_info *yi = &itv->yuv_info; int last_dma_frame = atomic_read(&yi->next_dma_frame); struct yuv_frame_info *f = &yi->new_frame_info[last_dma_frame]; @@ -778,6 +779,14 @@ static void ivtv_irq_vsync(struct ivtv *itv) } } if (frame != (itv->last_vsync_field & 1)) { + static const struct v4l2_event evtop = { + .type = V4L2_EVENT_VSYNC, + .u.vsync.field = V4L2_FIELD_TOP, + }; + static const struct v4l2_event evbottom = { + .type = V4L2_EVENT_VSYNC, + .u.vsync.field = V4L2_FIELD_BOTTOM, + }; struct ivtv_stream *s = ivtv_get_output_stream(itv); itv->last_vsync_field += 1; @@ -791,10 +800,12 @@ static void ivtv_irq_vsync(struct ivtv *itv) if (test_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags)) { set_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags); wake_up(&itv->event_waitq); + if (s) + wake_up(&s->waitq); } + if (s && s->vdev) + v4l2_event_queue(s->vdev, frame ? &evtop : &evbottom); wake_up(&itv->vsync_waitq); - if (s) - wake_up(&s->waitq); /* Send VBI to saa7127 */ if (frame && (itv->output_mode == OUT_PASSTHROUGH || @@ -852,9 +863,11 @@ irqreturn_t ivtv_irq_handler(int irq, void *dev_id) */ if (~itv->irqmask & IVTV_IRQ_DEC_VSYNC) { /* vsync is enabled, see if we're in a new field */ - if ((itv->last_vsync_field & 1) != (read_reg(0x28c0) & 1)) { + if ((itv->last_vsync_field & 1) != + (read_reg(IVTV_REG_DEC_LINE_FIELD) & 1)) { /* New field, looks like we missed it */ - IVTV_DEBUG_YUV("VSync interrupt missed %d\n",read_reg(0x28c0)>>16); + IVTV_DEBUG_YUV("VSync interrupt missed %d\n", + read_reg(IVTV_REG_DEC_LINE_FIELD) >> 16); vsync_force = 1; } } |