V4L/DVB (10453): af9015: add MC44S803 support

Add MC44S803 support to AF9015 driver.
Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-usb/Kconfig

@@ -297,5 +297,6 @@ config DVB_USB_AF9015
 	select MEDIA_TUNER_QT1010   if !MEDIA_TUNER_CUSTOMIZE
 	select MEDIA_TUNER_TDA18271 if !MEDIA_TUNER_CUSTOMIZE
 	select MEDIA_TUNER_MXL5005S if !MEDIA_TUNER_CUSTOMIZE
+	select MEDIA_TUNER_MC44S803 if !MEDIA_TUNER_CUSTOMISE
 	help
 	  Say Y here to support the Afatech AF9015 based DVB-T USB2.0 receiver

drivers/media/dvb/dvb-usb/af9015.c

@@ -27,9 +27,7 @@
 #include "qt1010.h"
 #include "tda18271.h"
 #include "mxl5005s.h"
-#if 0
-#include "mc44s80x.h"
-#endif
+#include "mc44s803.h"
 
 static int dvb_usb_af9015_debug;
 module_param_named(debug, dvb_usb_af9015_debug, int, 0644);
@@ -280,6 +278,21 @@ Due to that the only way to select correct tuner is use demodulator I2C-gate.
 			req.data = &msg[i+1].buf[0];
 			ret = af9015_ctrl_msg(d, &req);
 			i += 2;
+		} else if (msg[i].flags & I2C_M_RD) {
+			ret = -EINVAL;
+			if (msg[i].addr ==
+				af9015_af9013_config[0].demod_address)
+				goto error;
+			else
+				req.cmd = READ_I2C;
+			req.i2c_addr = msg[i].addr;
+			req.addr = addr;
+			req.mbox = mbox;
+			req.addr_len = addr_len;
+			req.data_len = msg[i].len;
+			req.data = &msg[i].buf[0];
+			ret = af9015_ctrl_msg(d, &req);
+			i += 1;
 		} else {
 			if (msg[i].addr ==
 				af9015_af9013_config[0].demod_address)
@@ -939,7 +952,6 @@ static int af9015_read_config(struct usb_device *udev)
 		switch (val) {
 		case AF9013_TUNER_ENV77H11D5:
 		case AF9013_TUNER_MT2060:
-		case AF9013_TUNER_MC44S803:
 		case AF9013_TUNER_QT1010:
 		case AF9013_TUNER_UNKNOWN:
 		case AF9013_TUNER_MT2060_2:
@@ -952,6 +964,10 @@ static int af9015_read_config(struct usb_device *udev)
 		case AF9013_TUNER_MXL5005R:
 			af9015_af9013_config[i].rf_spec_inv = 0;
 			break;
+		case AF9013_TUNER_MC44S803:
+			af9015_af9013_config[i].gpio[1] = AF9013_GPIO_LO;
+			af9015_af9013_config[i].rf_spec_inv = 1;
+			break;
 		default:
 			warn("tuner id:%d not supported, please report!", val);
 			return -ENODEV;
@@ -1139,6 +1155,11 @@ static struct mxl5005s_config af9015_mxl5005_config = {
 	.AgcMasterByte   = 0x00,
 };
 
+static struct mc44s803_config af9015_mc44s803_config = {
+	.i2c_address = 0xc0,
+	.dig_out = 1,
+};
+
 static int af9015_tuner_attach(struct dvb_usb_adapter *adap)
 {
 	struct af9015_state *state = adap->dev->priv;
@@ -1183,15 +1204,8 @@ static int af9015_tuner_attach(struct dvb_usb_adapter *adap)
 			DVB_PLL_TDA665X) == NULL ? -ENODEV : 0;
 		break;
 	case AF9013_TUNER_MC44S803:
-#if 0
-		ret = dvb_attach(mc44s80x_attach, adap->fe, i2c_adap)
-			== NULL ? -ENODEV : 0;
-#else
-		ret = -ENODEV;
-		info("Freescale MC44S803 tuner found but no driver for that" \
-			"tuner. Look at the Linuxtv.org for tuner driver" \
-			"status.");
-#endif
+		ret = dvb_attach(mc44s803_attach, adap->fe, i2c_adap,
+			&af9015_mc44s803_config) == NULL ? -ENODEV : 0;
 		break;
 	case AF9013_TUNER_UNKNOWN:
 	default: