V4L/DVB (8147): cxusb: add initial support for AVerTVHD Volar

Add initial support for this device. The AGC and tracking filter
settings for the mxl5003 are known to be wrong, but it generally works.

Signed-off-by: Daniel Gimpelevich <[e-mail]>
Signed-off-by: Michael Krufky <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

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

···
 #include "zl10353.h"
 #include "tuner-xc2028.h"
 #include "tuner-simple.h"
+#include "mxl5005s.h"
 
 /* debug */
 static int dvb_usb_cxusb_debug;
···
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 
-#define deb_info(args...)   dprintk(dvb_usb_cxusb_debug,0x01,args)
-#define deb_i2c(args...)    if (d->udev->descriptor.idVendor == USB_VID_MEDION) \
-				dprintk(dvb_usb_cxusb_debug,0x01,args)
+#define deb_info(args...)   dprintk(dvb_usb_cxusb_debug, 0x03, args)
+#define deb_i2c(args...)    dprintk(dvb_usb_cxusb_debug, 0x02, args)
 
 static int cxusb_ctrl_msg(struct dvb_usb_device *d,
 			  u8 cmd, u8 *wbuf, int wlen, u8 *rbuf, int rlen)
···
 		return cxusb_ctrl_msg(d, CMD_POWER_OFF, &b, 1, NULL, 0);
 }
 
+static int cxusb_aver_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+	int ret;
+	if (!onoff)
+		return cxusb_ctrl_msg(d, CMD_POWER_OFF, NULL, 0, NULL, 0);
+	if (d->state == DVB_USB_STATE_INIT &&
+	    usb_set_interface(d->udev, 0, 0) < 0)
+		err("set interface failed");
+	do; while (!(ret = cxusb_ctrl_msg(d, CMD_POWER_ON, NULL, 0, NULL, 0)) &&
+		   !(ret = cxusb_ctrl_msg(d, 0x15, NULL, 0, NULL, 0)) &&
+		   !(ret = cxusb_ctrl_msg(d, 0x17, NULL, 0, NULL, 0)) && 0);
+	if (!ret) {
+		/* FIXME: We don't know why, but we need to configure the
+		 * lgdt3303 with the register settings below on resume */
+		int i;
+		u8 buf, bufs[] = {
+			0x0e, 0x2, 0x00, 0x7f,
+			0x0e, 0x2, 0x02, 0xfe,
+			0x0e, 0x2, 0x02, 0x01,
+			0x0e, 0x2, 0x00, 0x03,
+			0x0e, 0x2, 0x0d, 0x40,
+			0x0e, 0x2, 0x0e, 0x87,
+			0x0e, 0x2, 0x0f, 0x8e,
+			0x0e, 0x2, 0x10, 0x01,
+			0x0e, 0x2, 0x14, 0xd7,
+			0x0e, 0x2, 0x47, 0x88,
+		};
+		msleep(20);
+		for (i = 0; i < sizeof(bufs)/sizeof(u8); i += 4/sizeof(u8)) {
+			ret = cxusb_ctrl_msg(d, CMD_I2C_WRITE,
+					     bufs+i, 4, &buf, 1);
+			if (ret)
+				break;
+			if (buf != 0x8)
+				return -EREMOTEIO;
+		}
+	}
+	return ret;
+}
+
 static int cxusb_bluebird_power_ctrl(struct dvb_usb_device *d, int onoff)
 {
 	u8 b = 0;
···
 	else
 		cxusb_ctrl_msg(adap->dev, CMD_STREAMING_OFF, NULL, 0, NULL, 0);
 
+	return 0;
+}
+
+static int cxusb_aver_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+	if (onoff)
+		cxusb_ctrl_msg(adap->dev, CMD_AVER_STREAM_ON, NULL, 0, NULL, 0);
+	else
+		cxusb_ctrl_msg(adap->dev, CMD_AVER_STREAM_OFF,
+			       NULL, 0, NULL, 0);
 	return 0;
 }
 
···
 	.demod_chip    = LGDT3303,
 };
 
+static struct lgdt330x_config cxusb_aver_lgdt3303_config = {
+	.demod_address       = 0x0e,
+	.demod_chip          = LGDT3303,
+	.clock_polarity_flip = 2,
+};
+
 static struct mt352_config cxusb_dee1601_config = {
 	.demod_address = 0x0f,
 	.demod_init    = cxusb_dee1601_demod_init,
···
 	.if2 = 4560,
 	.no_tuner = 1,
 	.demod_init = cxusb_mt352_demod_init,
+};
+
+/* FIXME: needs tweaking */
+static struct mxl5005s_config aver_a868r_tuner = {
+	.i2c_address     = 0x63,
+	.if_freq         = 6000000UL,
+	.xtal_freq       = CRYSTAL_FREQ_16000000HZ,
+	.agc_mode        = MXL_SINGLE_AGC,
+	.tracking_filter = MXL_TF_C,
+	.rssi_enable     = MXL_RSSI_ENABLE,
+	.cap_select      = MXL_CAP_SEL_ENABLE,
+	.div_out         = MXL_DIV_OUT_4,
+	.clock_out       = MXL_CLOCK_OUT_DISABLE,
+	.output_load     = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
+	.top		 = MXL5005S_TOP_25P2,
+	.mod_mode        = MXL_DIGITAL_MODE,
+	.if_mode         = MXL_ZERO_IF,
+	.AgcMasterByte   = 0x00,
 };
 
 /* Callbacks for DVB USB */
···
 	return 0;
 }
 
+static int cxusb_mxl5003s_tuner_attach(struct dvb_usb_adapter *adap)
+{
+	dvb_attach(mxl5005s_attach, adap->fe,
+		   &adap->dev->i2c_adap, &aver_a868r_tuner);
+	return 0;
+}
+
 static int cxusb_cx22702_frontend_attach(struct dvb_usb_adapter *adap)
 {
 	u8 b;
···
 
 	if ((adap->fe = dvb_attach(lgdt330x_attach, &cxusb_lgdt3303_config,
 				   &adap->dev->i2c_adap)) != NULL)
+		return 0;
+
+	return -EIO;
+}
+
+static int cxusb_aver_lgdt3303_frontend_attach(struct dvb_usb_adapter *adap)
+{
+	adap->fe = dvb_attach(lgdt330x_attach, &cxusb_aver_lgdt3303_config,
+			      &adap->dev->i2c_adap);
+	if (adap->fe != NULL)
 		return 0;
 
 	return -EIO;
···
 static struct dvb_usb_device_properties cxusb_bluebird_dualdig4_properties;
 static struct dvb_usb_device_properties cxusb_bluebird_nano2_properties;
 static struct dvb_usb_device_properties cxusb_bluebird_nano2_needsfirmware_properties;
+static struct dvb_usb_device_properties cxusb_aver_a868r_properties;
 
 static int cxusb_probe(struct usb_interface *intf,
 		       const struct usb_device_id *id)
···
 				     THIS_MODULE, NULL, adapter_nr) ||
 	    0 == dvb_usb_device_init(intf,
 				&cxusb_bluebird_nano2_needsfirmware_properties,
-				     THIS_MODULE, NULL, adapter_nr))
+				     THIS_MODULE, NULL, adapter_nr) ||
+	    0 == dvb_usb_device_init(intf, &cxusb_aver_a868r_properties,
+				     THIS_MODULE, NULL, adapter_nr) ||
+	    0)
 		return 0;
 
 	return -EINVAL;
···
 	{ USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DUAL_4) },
 	{ USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2) },
 	{ USB_DEVICE(USB_VID_DVICO, USB_PID_DVICO_BLUEBIRD_DVB_T_NANO_2_NFW_WARM) },
+	{ USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_A868R) },
 	{}		/* Terminating entry */
 };
 MODULE_DEVICE_TABLE (usb, cxusb_table);
···
 		{   "DViCO FusionHDTV DVB-T NANO2 w/o firmware",
 			{ &cxusb_table[14], NULL },
 			{ &cxusb_table[15], NULL },
+		},
+	}
+};
+
+static struct dvb_usb_device_properties cxusb_aver_a868r_properties = {
+	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+	.usb_ctrl         = CYPRESS_FX2,
+
+	.size_of_priv     = sizeof(struct cxusb_state),
+
+	.num_adapters = 1,
+	.adapter = {
+		{
+			.streaming_ctrl   = cxusb_aver_streaming_ctrl,
+			.frontend_attach  = cxusb_aver_lgdt3303_frontend_attach,
+			.tuner_attach     = cxusb_mxl5003s_tuner_attach,
+			/* parameter for the MPEG2-data transfer */
+			.stream = {
+				.type = USB_BULK,
+				.count = 5,
+				.endpoint = 0x04,
+				.u = {
+					.bulk = {
+						.buffersize = 8192,
+					}
+				}
+			},
+
+		},
+	},
+	.power_ctrl       = cxusb_aver_power_ctrl,
+
+	.i2c_algo         = &cxusb_i2c_algo,
+
+	.generic_bulk_ctrl_endpoint = 0x01,
+
+	.num_device_descs = 1,
+	.devices = {
+		{   "AVerMedia AVerTVHD Volar (A868R)",
+			{ NULL },
+			{ &cxusb_table[16], NULL },
 		},
 	}
 };

drivers/media/dvb/dvb-usb/cxusb.h

···
 #define CMD_STREAMING_ON  0x36
 #define CMD_STREAMING_OFF 0x37
 
+#define CMD_AVER_STREAM_ON  0x18
+#define CMD_AVER_STREAM_OFF 0x19
+
 #define CMD_GET_IR_CODE   0x47
 
 #define CMD_ANALOG        0x50

drivers/media/dvb/dvb-usb/dvb-usb-ids.h

···
 #define USB_PID_AVERMEDIA_EXPRESS			0xb568
 #define USB_PID_AVERMEDIA_VOLAR				0xa807
 #define USB_PID_AVERMEDIA_VOLAR_2			0xb808
+#define USB_PID_AVERMEDIA_VOLAR_A868R			0xa868
+#define USB_PID_AVERMEDIA_MCE_USB_M038			0x1228
+#define USB_PID_AVERMEDIA_HYBRID_ULTRA_USB_M039R	0x0039
+#define USB_PID_AVERMEDIA_HYBRID_ULTRA_USB_M039R_ATSC	0x1039
+#define USB_PID_AVERMEDIA_HYBRID_ULTRA_USB_M039R_DVBT	0x2039
 #define USB_PID_TECHNOTREND_CONNECT_S2400               0x3006
 #define USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY	0x005a
 #define USB_PID_TERRATEC_CINERGY_HT_USB_XE		0x0058