From 542f6a52b63359227bbc39e8436a1d7156602d86 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Sat, 1 Sep 2012 21:09:22 -0300 Subject: [PATCH] [media] rtl28xxu: add support for Elonics E4000 tuner Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/dvb-usb-v2/Kconfig | 1 + drivers/media/usb/dvb-usb-v2/rtl28xxu.c | 17 +++++++++++++++-- 2 files changed, 16 insertions(+), 2 deletions(-) diff --git a/drivers/media/usb/dvb-usb-v2/Kconfig b/drivers/media/usb/dvb-usb-v2/Kconfig index 967115104047..329d2221e915 100644 --- a/drivers/media/usb/dvb-usb-v2/Kconfig +++ b/drivers/media/usb/dvb-usb-v2/Kconfig @@ -141,6 +141,7 @@ config DVB_USB_RTL28XXU select MEDIA_TUNER_MXL5005S if MEDIA_SUBDRV_AUTOSELECT select MEDIA_TUNER_FC0012 if MEDIA_SUBDRV_AUTOSELECT select MEDIA_TUNER_FC0013 if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_E4000 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 7d11c5dede75..88b5ea12ed28 100644 --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c @@ -30,6 +30,7 @@ #include "mxl5005s.h" #include "fc0012.h" #include "fc0013.h" +#include "e4000.h" DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); @@ -625,10 +626,11 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap) ret = rtl28xxu_ctrl_msg(d, &req_e4000); if (ret == 0 && buf[0] == 0x40) { priv->tuner = TUNER_RTL2832_E4000; - /* TODO implement tuner */ + /* FIXME: do not abuse fc0012 settings */ + rtl2832_config = &rtl28xxu_rtl2832_fc0012_config; dev_info(&d->udev->dev, "%s: E4000 tuner found", KBUILD_MODNAME); - goto unsupported; + goto found; } /* check TDA18272 ID register; reg=00 val=c760 */ @@ -746,6 +748,11 @@ err: return ret; } +static const struct e4000_config rtl2832u_e4000_config = { + .i2c_addr = 0x64, + .clock = 28800000, +}; + static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) { int ret; @@ -774,6 +781,10 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) adap->fe[0]->ops.read_signal_strength = adap->fe[0]->ops.tuner_ops.get_rf_strength; return 0; + case TUNER_RTL2832_E4000: + fe = dvb_attach(e4000_attach, adap->fe[0], &d->i2c_adap, + &rtl2832u_e4000_config); + break; default: fe = NULL; dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME, @@ -1223,6 +1234,8 @@ static const struct usb_device_id rtl28xxu_id_table[] = { &rtl2832u_props, "G-Tek Electronics Group Lifeview LV5TDLX DVB-T", NULL) }, { DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_NOXON_DAB_STICK, &rtl2832u_props, "NOXON DAB/DAB+ USB dongle", NULL) }, + { DVB_USB_DEVICE(USB_VID_REALTEK, 0x2838, + &rtl2832u_props, "Realtek RTL2832U reference design", NULL) }, { } }; MODULE_DEVICE_TABLE(usb, rtl28xxu_id_table); -- 2.39.5