diff options
| author | Andy Walls <awalls@radix.net> | 2008-11-05 00:49:14 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-11-11 08:11:33 -0200 |
| commit | 1d6782bda5c1fb2bca44af50647b45427d8ef4ec (patch) | |
| tree | 11cc68f4410ca4850ff3d874900f628ed9326064 /drivers/media/video/cx18/cx18-driver.h | |
| parent | c9ff1b689a5d605640f098afc37d6102ecef9876 (diff) | |
V4L/DVB (9516): cx18: Move DVB buffer transfer handling from irq handler to work_queue
cx18: Move DVB buffer transfer handling from irq handler to work_queue thread.
In order to properly lock the epu2cpu mailbox for driver to CX23418 commands,
the DVB/TS buffer handling needs to be moved from the IRQ handler and IRQ
context to a work queue. This work_queue implmentation is strikingly similar
to the ivtv implementation - for better or worse.
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx18/cx18-driver.h')
| -rw-r--r-- | drivers/media/video/cx18/cx18-driver.h | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index e721c01d2178..bbdd5f25041d 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -199,12 +199,15 @@ struct cx18_options { #define CX18_F_S_APPL_IO 8 /* this stream is used read/written by an application */ /* per-cx18, i_flags */ -#define CX18_F_I_LOADED_FW 0 /* Loaded the firmware the first time */ -#define CX18_F_I_EOS 4 /* End of encoder stream reached */ -#define CX18_F_I_RADIO_USER 5 /* The radio tuner is selected */ -#define CX18_F_I_ENC_PAUSED 13 /* the encoder is paused */ -#define CX18_F_I_INITED 21 /* set after first open */ -#define CX18_F_I_FAILED 22 /* set if first open failed */ +#define CX18_F_I_LOADED_FW 0 /* Loaded firmware 1st time */ +#define CX18_F_I_EOS 4 /* End of encoder stream */ +#define CX18_F_I_RADIO_USER 5 /* radio tuner is selected */ +#define CX18_F_I_ENC_PAUSED 13 /* the encoder is paused */ +#define CX18_F_I_HAVE_WORK 15 /* there is work to be done */ +#define CX18_F_I_WORK_HANDLER_DVB 18 /* work to be done for DVB */ +#define CX18_F_I_INITED 21 /* set after first open */ +#define CX18_F_I_FAILED 22 /* set if first open failed */ +#define CX18_F_I_WORK_INITED 23 /* worker thread initialized */ /* These are the VBI types as they appear in the embedded VBI private packets. */ #define CX18_SLICED_TYPE_TELETEXT_B (1) @@ -431,6 +434,9 @@ struct cx18 { /* when the current DMA is finished this queue is woken up */ wait_queue_head_t dma_waitq; + struct workqueue_struct *work_queue; + struct work_struct work; + /* i2c */ struct i2c_adapter i2c_adap[2]; struct i2c_algo_bit_data i2c_algo[2]; |