[PATCH 2/3] rtl28xxu: add support for FCI FC2580 silicon tuner driver

[Antti Palosaari]

Signed-off-by: Antti Palosaari <cr...@iki.fi>
---
 drivers/media/usb/dvb-usb-v2/Kconfig    |  1 +
 drivers/media/usb/dvb-usb-v2/rtl28xxu.c | 15 +++++++++++++--
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/media/usb/dvb-usb-v2/Kconfig 
b/drivers/media/usb/dvb-usb-v2/Kconfig
index 329d222..e09930c 100644
--- a/drivers/media/usb/dvb-usb-v2/Kconfig
+++ b/drivers/media/usb/dvb-usb-v2/Kconfig
@@ -142,6 +142,7 @@ config DVB_USB_RTL28XXU
        select MEDIA_TUNER_FC0012 if MEDIA_SUBDRV_AUTOSELECT
        select MEDIA_TUNER_FC0013 if MEDIA_SUBDRV_AUTOSELECT
        select MEDIA_TUNER_E4000 if MEDIA_SUBDRV_AUTOSELECT
+       select MEDIA_TUNER_FC2580 if MEDIA_SUBDRV_AUTOSELECT
        help
          Say Y here to support the Realtek RTL28xxU DVB USB receiver.
 
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c 
b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
index d0d23f2..f195b77 100644
--- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
+++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c
@@ -31,6 +31,7 @@
 #include "fc0012.h"
 #include "fc0013.h"
 #include "e4000.h"
+#include "fc2580.h"
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
@@ -576,10 +577,11 @@ static int rtl2832u_frontend_attach(struct 
dvb_usb_adapter *adap)
        ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
        if (ret == 0 && buf[0] == 0x56) {
                priv->tuner = TUNER_RTL2832_FC2580;
-               /* TODO implement tuner */
+               /* FIXME: do not abuse fc0012 settings */
+               rtl2832_config = &rtl28xxu_rtl2832_fc0012_config;
                dev_info(&d->udev->dev, "%s: FC2580 tuner found",
                                KBUILD_MODNAME);
-               goto unsupported;
+               goto found;
        }
 
        /* check MT2063 ID register; reg=00 val=9e || 9c */
@@ -753,6 +755,11 @@ static const struct e4000_config rtl2832u_e4000_config = {
        .clock = 28800000,
 };
 
+static const struct fc2580_config rtl2832u_fc2580_config = {
+       .i2c_addr = 0x56,
+       .clock = 16384000,
+};
+
 static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
 {
        int ret;
@@ -785,6 +792,10 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter 
*adap)
                fe = dvb_attach(e4000_attach, adap->fe[0], &d->i2c_adap,
                                &rtl2832u_e4000_config);
                break;
+       case TUNER_RTL2832_FC2580:
+               fe = dvb_attach(fc2580_attach, adap->fe[0], &d->i2c_adap,
+                               &rtl2832u_fc2580_config);
+               break;
        default:
                fe = NULL;
                dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,
-- 
1.7.11.4

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