[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>
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 @@
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 @@
.num_adapters = 1,
.adapter = {
{
- .frontend_attach = stk7700ph_frontend_attach,
+ .frontend_attach = pctv340e_frontend_attach,
.tuner_attach = xc4000_tuner_attach,
DIB0700_DEFAULT_STREAMING_CONFIG(0x02),