[media] cx23855: add support for DVBSky T980C (no CI support)

This patch adds basic support for DVBSky T980C card. CI interface is not supported.

DVBSky T980C is a PCIe card with the following components:
- CX23885 PCIe bridge
- Si2168-A20 demodulator
- Si2158-A20 tuner
- CIMaX SP2 CI chip

The demodulator and tuner need firmware. They're the same as used with TT CT2-4650 CI:
https://www.mail-archive.com/linux-media@vger.kernel.org/msg78033.html

Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

1 files changed, 61 insertions, 0 deletions

diff --git a/drivers/media/pci/cx23885/cx23885-dvb.c b/drivers/media/pci/cx23885/cx23885-dvb.c
index 4cb90317ff45..062854d30a75 100644
--- a/drivers/media/pci/cx23885/cx23885-dvb.c
+++ b/drivers/media/pci/cx23885/cx23885-dvb.c
@@ -1680,6 +1680,52 @@ static int dvb_register(struct cx23885_tsport *port)
 			break;
 		}
 		break;
+	case CX23885_BOARD_DVBSKY_T980C:
+		i2c_bus = &dev->i2c_bus[1];
+
+		/* attach frontend */
+		memset(&si2168_config, 0, sizeof(si2168_config));
+		si2168_config.i2c_adapter = &adapter;
+		si2168_config.fe = &fe0->dvb.frontend;
+		si2168_config.ts_mode = SI2168_TS_PARALLEL;
+		memset(&info, 0, sizeof(struct i2c_board_info));
+		strlcpy(info.type, "si2168", I2C_NAME_SIZE);
+		info.addr = 0x64;
+		info.platform_data = &si2168_config;
+		request_module(info.type);
+		client_demod = i2c_new_device(&i2c_bus->i2c_adap, &info);
+		if (client_demod == NULL ||
+				client_demod->dev.driver == NULL)
+			goto frontend_detach;
+		if (!try_module_get(client_demod->dev.driver->owner)) {
+			i2c_unregister_device(client_demod);
+			goto frontend_detach;
+		}
+		port->i2c_client_demod = client_demod;
+
+		/* attach tuner */
+		memset(&si2157_config, 0, sizeof(si2157_config));
+		si2157_config.fe = fe0->dvb.frontend;
+		memset(&info, 0, sizeof(struct i2c_board_info));
+		strlcpy(info.type, "si2157", I2C_NAME_SIZE);
+		info.addr = 0x60;
+		info.platform_data = &si2157_config;
+		request_module(info.type);
+		client_tuner = i2c_new_device(adapter, &info);
+		if (client_tuner == NULL ||
+				client_tuner->dev.driver == NULL) {
+			module_put(client_demod->dev.driver->owner);
+			i2c_unregister_device(client_demod);
+			goto frontend_detach;
+		}
+		if (!try_module_get(client_tuner->dev.driver->owner)) {
+			i2c_unregister_device(client_tuner);
+			module_put(client_demod->dev.driver->owner);
+			i2c_unregister_device(client_demod);
+			goto frontend_detach;
+		}
+		port->i2c_client_tuner = client_tuner;
+		break;
 	default:
 		printk(KERN_INFO "%s: The frontend of your DVB/ATSC card "
 			" isn't supported yet\n",
@@ -1770,6 +1816,21 @@ static int dvb_register(struct cx23885_tsport *port)
 			(port->nr-1) * 8, 6);
 		break;
 		}
+	case CX23885_BOARD_DVBSKY_T980C: {
+		u8 eeprom[256]; /* 24C02 i2c eeprom */
+
+		if (port->nr != 1)
+			break;
+
+		/* Read entire EEPROM */
+		dev->i2c_bus[0].i2c_client.addr = 0xa0 >> 1;
+		tveeprom_read(&dev->i2c_bus[0].i2c_client, eeprom,
+				sizeof(eeprom));
+		printk(KERN_INFO "DVBSky T980C MAC address: %pM\n",
+			eeprom + 0xc0);
+		memcpy(port->frontends.adapter.proposed_mac, eeprom + 0xc0, 6);
+		break;
+		}
 	}
 
 	return ret;