diff options
| author | Devin Heitmueller <dheitmueller@kernellabs.com> | 2009-06-24 03:07:01 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-07-27 20:52:26 (GMT) |
| commit | 01f16263ad8c53f368575db50ab72a287d7daa75 (patch) | |
| tree | db9727841c0e82f1ccb14a9b430959adf4f13563 /drivers/media | |
| parent | 33fb1681c61456898b986405a13222a913f10a4a (diff) | |
| download | linux-fsl-qoriq-01f16263ad8c53f368575db50ab72a287d7daa75.tar.xz | |
[media] dib0700: properly setup GPIOs for PCTV 340e
Provide a frontend setup routine for the PCTV 340e which takes into account
the specific GPIO setup of the board.
Note that this patch does *not* take into account the xc4000 reset pin, which
is attached to the dib7000.
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Cc: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/dib0700_devices.c | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index 66c6de9..5e32907 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -2675,6 +2675,68 @@ static int dib0700_xc4000_tuner_callback(void *priv, int component, return 0; } +/* FIXME: none of these inputs are validated yet */ +static struct dib7000p_config pctv_340e_config = { + .output_mpeg2_in_188_bytes = 1, + + .agc_config_count = 1, + .agc = &stk7700p_7000p_mt2060_agc_config, + .bw = &stk7700p_pll_config, + + /* FIXME: need to take xc4000 out of reset */ + .gpio_dir = DIB7000M_GPIO_DEFAULT_DIRECTIONS, + .gpio_val = DIB7000M_GPIO_DEFAULT_VALUES, + .gpio_pwm_pos = DIB7000M_GPIO_DEFAULT_PWM_POS, +}; + +/* PCTV 340e GPIOs map: + dib0700: + GPIO2 - CX25843 sleep + GPIO3 - CS5340 reset + GPIO5 - IRD + GPIO6 - Power Supply + GPIO8 - LNA (1=off 0=on) + GPIO10 - CX25843 reset + dib7000: + GPIO8 - xc4000 reset + */ +static int pctv340e_frontend_attach(struct dvb_usb_adapter *adap) +{ + struct dib0700_state *st = adap->dev->priv; + + /* Power Supply on */ + dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 0); + msleep(50); + dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 1); + msleep(100); /* Allow power supply to settle before probing */ + + /* cx25843 reset */ + dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 0); + msleep(1); /* cx25843 datasheet say 350us required */ + dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 1); + + /* LNA off for now */ + dib0700_set_gpio(adap->dev, GPIO8, GPIO_OUT, 1); + + /* Put the CX25843 to sleep for now since we're in digital mode */ + dib0700_set_gpio(adap->dev, GPIO2, GPIO_OUT, 1); + + /* FIXME: not verified yet */ + dib0700_ctrl_clock(adap->dev, 72, 1); + + if (dib7000pc_detection(&adap->dev->i2c_adap) == 0) { + /* Demodulator not found for some reason? */ + return -ENODEV; + } + + adap->fe = dvb_attach(dib7000p_attach, &adap->dev->i2c_adap, 0x12, + &pctv_340e_config); + st->is_dib7000pc = 1; + + return adap->fe == NULL ? -ENODEV : 0; +} + + static struct xc4000_config s5h1411_xc4000_tunerconfig = { .i2c_address = 0x64, .if_khz = 5380, @@ -3814,7 +3876,7 @@ struct dvb_usb_device_properties dib0700_devices[] = { .num_adapters = 1, .adapter = { { - .frontend_attach = stk7700ph_frontend_attach, + .frontend_attach = pctv340e_frontend_attach, .tuner_attach = xc4000_tuner_attach, DIB0700_DEFAULT_STREAMING_CONFIG(0x02), |