[media] cx231xx: Hauppauge HVR-955Q ATSC/QAM tuner

Hauppauge HVR-955Q is a ATSC/QAM USB tuner with LGDT3306A demodulator and SiLabs Si2157-A30 tuner.

Only digital TV has been tested (both ATSC and QAM256).

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

1 files changed, 67 insertions, 0 deletions

diff --git a/drivers/media/usb/cx231xx/cx231xx-dvb.c b/drivers/media/usb/cx231xx/cx231xx-dvb.c
index ff39bf2..610d567 100644
--- a/drivers/media/usb/cx231xx/cx231xx-dvb.c
+++ b/drivers/media/usb/cx231xx/cx231xx-dvb.c
@@ -34,6 +34,7 @@
 #include "si2165.h"
 #include "mb86a20s.h"
 #include "si2157.h"
+#include "lgdt3306a.h"
 
 MODULE_DESCRIPTION("driver for cx231xx based DVB cards");
 MODULE_AUTHOR("Srinivasa Deevi <srinivasa.deevi@conexant.com>");
@@ -160,6 +161,18 @@ static const struct si2165_config pctv_quatro_stick_1114xx_si2165_config = {
 	.ref_freq_Hz	= 24000000,
 };
 
+static struct lgdt3306a_config hauppauge_955q_lgdt3306a_config = {
+	.i2c_addr           = 0x59,
+	.qam_if_khz         = 4000,
+	.vsb_if_khz         = 3250,
+	.deny_i2c_rptr      = 1,
+	.spectral_inversion = 1,
+	.mpeg_mode          = LGDT3306A_MPEG_SERIAL,
+	.tpclk_edge         = LGDT3306A_TPCLK_RISING_EDGE,
+	.tpvalid_polarity   = LGDT3306A_TP_VALID_HIGH,
+	.xtalMHz            = 25,
+};
+
 static inline void print_err_status(struct cx231xx *dev, int packet, int status)
 {
 	char *errmsg = "Unknown";
@@ -811,7 +824,61 @@ static int dvb_init(struct cx231xx *dev)
 		dev->dvb->i2c_client_tuner = client;
 		break;
 	}
+	case CX231XX_BOARD_HAUPPAUGE_955Q:
+	{
+		struct i2c_client *client;
+		struct i2c_board_info info;
+		struct si2157_config si2157_config;
+
+		memset(&info, 0, sizeof(struct i2c_board_info));
+
+		dev->dvb->frontend = dvb_attach(lgdt3306a_attach,
+			&hauppauge_955q_lgdt3306a_config,
+			tuner_i2c
+			);
+
+		if (dev->dvb->frontend == NULL) {
+			dev_err(dev->dev,
+				"Failed to attach LGDT3306A frontend.\n");
+			result = -EINVAL;
+			goto out_free;
+		}
+
+		dev->dvb->frontend->ops.i2c_gate_ctrl = NULL;
+
+		/* define general-purpose callback pointer */
+		dvb->frontend->callback = cx231xx_tuner_callback;
+
+		/* attach tuner */
+		memset(&si2157_config, 0, sizeof(si2157_config));
+		si2157_config.fe = dev->dvb->frontend;
+		si2157_config.inversion = true;
+		strlcpy(info.type, "si2157", I2C_NAME_SIZE);
+		info.addr = 0x60;
+		info.platform_data = &si2157_config;
+		request_module("si2157");
+
+		client = i2c_new_device(
+			tuner_i2c,
+			&info);
+		if (client == NULL || client->dev.driver == NULL) {
+			dvb_frontend_detach(dev->dvb->frontend);
+			result = -ENODEV;
+			goto out_free;
+		}
+
+		if (!try_module_get(client->dev.driver->owner)) {
+			i2c_unregister_device(client);
+			dvb_frontend_detach(dev->dvb->frontend);
+			result = -ENODEV;
+			goto out_free;
+		}
+
+		dev->cx231xx_reset_analog_tuner = NULL;
 
+		dev->dvb->i2c_client_tuner = client;
+		break;
+	}
 	case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID:
 	case CX231XX_BOARD_KWORLD_UB430_USB_HYBRID: