diff options
| author | Darron Broad <darron@kewl.org> | 2008-12-18 06:28:35 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-30 09:39:17 -0200 |
| commit | 793927372626bae48b32db24dddde40d73923a9c (patch) | |
| tree | 462a96b1da4da035e78acb4d835734d8ac20f303 /drivers/media | |
| parent | 6639f1e060c2d2f3331ba6bcefe8f65b623365f3 (diff) | |
V4L/DVB (9918): cx88: advise/acquire clean-up for HVR-1300/3000/4000
This cleans-up the advise/acquire methods.
This has been tested on the hvr-1300/4000 and assumed to be
correct on the hvr-3000.
This update also fixes analogue tuning on the hvr-1300
when in blackbird mode.
Signed-off-by: Darron Broad <darron@kewl.org>
Cc: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/cx88/cx88-blackbird.c | 12 | ||||
| -rw-r--r-- | drivers/media/video/cx88/cx88-dvb.c | 48 |
2 files changed, 36 insertions, 24 deletions
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c index ca067ec250a..e162a70748c 100644 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ b/drivers/media/video/cx88/cx88-blackbird.c @@ -1244,8 +1244,16 @@ static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv) * We're being given access to re-arrange the GPIOs. * Take the bus off the cx22702 and put the cx23416 on it. */ - cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */ - cx_set(MO_GP0_IO, 0x00000004); /* Disable the cx22702 */ + /* Toggle reset on cx22702 leaving i2c active */ + cx_set(MO_GP0_IO, 0x00000080); + udelay(1000); + cx_clear(MO_GP0_IO, 0x00000080); + udelay(50); + cx_set(MO_GP0_IO, 0x00000080); + udelay(1000); + /* tri-state the cx22702 pins */ + cx_set(MO_GP0_IO, 0x00000004); + udelay(1000); break; default: err = -ENODEV; diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index e5bbc7b37c3..da4dd4913d9 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -1128,40 +1128,44 @@ static int cx8802_dvb_advise_acquire(struct cx8802_driver *drv) * on the bus. Take the bus from the cx23416 and enable the * cx22702 demod */ - cx_set(MO_GP0_IO, 0x00000080); /* cx22702 out of reset and enable */ + /* Toggle reset on cx22702 leaving i2c active */ + cx_set(MO_GP0_IO, 0x00000080); + udelay(1000); + cx_clear(MO_GP0_IO, 0x00000080); + udelay(50); + cx_set(MO_GP0_IO, 0x00000080); + udelay(1000); + /* enable the cx22702 pins */ cx_clear(MO_GP0_IO, 0x00000004); udelay(1000); break; case CX88_BOARD_HAUPPAUGE_HVR3000: case CX88_BOARD_HAUPPAUGE_HVR4000: - if(core->dvbdev->frontends.active_fe_id == 1) { - /* DVB-S/S2 Enabled */ - - /* Toggle reset on cx22702 leaving i2c active */ - cx_write(MO_GP0_IO, (core->board.input[0].gpio0 & 0x0000ff00) | 0x00000080); - udelay(1000); - cx_clear(MO_GP0_IO, 0x00000080); - udelay(50); - cx_set(MO_GP0_IO, 0x00000080); /* cx22702 out of reset */ - cx_set(MO_GP0_IO, 0x00000004); /* tri-state the cx22702 pins */ - udelay(1000); - - cx_write(MO_SRST_IO, 1); /* Take the cx24116/cx24123 out of reset */ + /* Toggle reset on cx22702 leaving i2c active */ + cx_set(MO_GP0_IO, 0x00000080); + udelay(1000); + cx_clear(MO_GP0_IO, 0x00000080); + udelay(50); + cx_set(MO_GP0_IO, 0x00000080); + udelay(1000); + switch (core->dvbdev->frontends.active_fe_id) { + case 1: /* DVB-S/S2 Enabled */ + /* tri-state the cx22702 pins */ + cx_set(MO_GP0_IO, 0x00000004); + /* Take the cx24116/cx24123 out of reset */ + cx_write(MO_SRST_IO, 1); core->dvbdev->ts_gen_cntrl = 0x02; /* Parallel IO */ - } else - if (core->dvbdev->frontends.active_fe_id == 2) { - /* DVB-T Enabled */ - + break; + case 2: /* DVB-T Enabled */ /* Put the cx24116/cx24123 into reset */ cx_write(MO_SRST_IO, 0); - - /* cx22702 out of reset and enable it */ - cx_set(MO_GP0_IO, 0x00000080); + /* enable the cx22702 pins */ cx_clear(MO_GP0_IO, 0x00000004); core->dvbdev->ts_gen_cntrl = 0x0c; /* Serial IO */ - udelay(1000); + break; } + udelay(1000); break; default: |