[media] cx231xx: Initial support Astrometa T2hybrid

This patch provide only digital support;
The device is based on 24C02N EEPROM, Panasonic MN88473 demodulator,
Rafael Micro R828D tuner and CX23102-11Z chipset;
USB id: 15f4:0135.

Status:
- DVB-T/T2 works fine;
- Composite works fine;
- Analog not implemented.

Signed-off-by: Oleh Kravchenko <oleg@kaa.org.ua>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/drivers/media/usb/cx231xx/cx231xx-dvb.c b/drivers/media/usb/cx231xx/cx231xx-dvb.c
index 46427fd3b220..ee3eeeb600f8 100644
--- a/drivers/media/usb/cx231xx/cx231xx-dvb.c
+++ b/drivers/media/usb/cx231xx/cx231xx-dvb.c
@@ -37,6 +37,8 @@
 #include "mb86a20s.h"
 #include "si2157.h"
 #include "lgdt3306a.h"
+#include "r820t.h"
+#include "mn88473.h"
 
 MODULE_DESCRIPTION("driver for cx231xx based DVB cards");
 MODULE_AUTHOR("Srinivasa Deevi <srinivasa.deevi@conexant.com>");
@@ -164,6 +166,13 @@ static struct lgdt3306a_config hauppauge_955q_lgdt3306a_config = {
 	.xtalMHz            = 25,
 };
 
+static struct r820t_config astrometa_t2hybrid_r820t_config = {
+	.i2c_addr		= 0x3a, /* 0x74 >> 1 */
+	.xtal			= 16000000,
+	.rafael_chip		= CHIP_R828D,
+	.max_i2c_msg_len	= 2,
+};
+
 static inline void print_err_status(struct cx231xx *dev, int packet, int status)
 {
 	char *errmsg = "Unknown";
@@ -1019,6 +1028,46 @@ static int dvb_init(struct cx231xx *dev)
 		dev->dvb->i2c_client_tuner = client;
 		break;
 	}
+	case CX231XX_BOARD_ASTROMETA_T2HYBRID:
+	{
+		struct i2c_client *client;
+		struct i2c_board_info info = {};
+		struct mn88473_config mn88473_config = {};
+
+		/* attach demodulator chip */
+		mn88473_config.i2c_wr_max = 16;
+		mn88473_config.xtal = 25000000;
+		mn88473_config.fe = &dev->dvb->frontend;
+
+		strlcpy(info.type, "mn88473", sizeof(info.type));
+		info.addr = dev->board.demod_addr;
+		info.platform_data = &mn88473_config;
+
+		request_module(info.type);
+		client = i2c_new_device(demod_i2c, &info);
+
+		if (client == NULL || client->dev.driver == NULL) {
+			result = -ENODEV;
+			goto out_free;
+		}
+
+		if (!try_module_get(client->dev.driver->owner)) {
+			i2c_unregister_device(client);
+			result = -ENODEV;
+			goto out_free;
+		}
+
+		dvb->i2c_client_demod = client;
+
+		/* define general-purpose callback pointer */
+		dvb->frontend->callback = cx231xx_tuner_callback;
+
+		/* attach tuner chip */
+		dvb_attach(r820t_attach, dev->dvb->frontend,
+			   tuner_i2c,
+			   &astrometa_t2hybrid_r820t_config);
+		break;
+	}
 	default:
 		dev_err(dev->dev,
 			"%s/2: The frontend of your DVB/ATSC card isn't supported yet\n",