[media] af9035: add Avermedia Volar HD (A867R) support

Support of AVerMedia AVerTV HD Volar, with tuner MxL5007t.
Signed-off-by: Hans-Frieder Vogt <hfvogt@gmx.net>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-usb/Kconfig

@@ -429,6 +429,7 @@ config DVB_USB_AF9035
 	select DVB_AF9033
 	select MEDIA_TUNER_TUA9001 if !MEDIA_TUNER_CUSTOMISE
 	select MEDIA_TUNER_FC0011 if !MEDIA_TUNER_CUSTOMISE
+	select MEDIA_TUNER_MXL5007T if !MEDIA_TUNER_CUSTOMISE
 	help
 	  Say Y here to support the Afatech AF9035 based DVB USB receiver.
 

drivers/media/dvb/dvb-usb/af9035.c

@@ -23,6 +23,7 @@
 #include "af9033.h"
 #include "tua9001.h"
 #include "fc0011.h"
+#include "mxl5007t.h"
 
 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 static DEFINE_MUTEX(af9035_usb_mutex);
@@ -500,6 +501,7 @@ static int af9035_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
 		switch (tmp) {
 		case AF9033_TUNER_TUA9001:
 		case AF9033_TUNER_FC0011:
+		case AF9033_TUNER_MXL5007T:
 			af9035_af9033_config[i].spec_inv = 1;
 			break;
 		default:
@@ -667,6 +669,15 @@ static const struct fc0011_config af9035_fc0011_config = {
 	.i2c_address = 0x60,
 };
 
+static struct mxl5007t_config af9035_mxl5007t_config = {
+	.xtal_freq_hz = MxL_XTAL_24_MHZ,
+	.if_freq_hz = MxL_IF_4_57_MHZ,
+	.invert_if = 0,
+	.loop_thru_enable = 0,
+	.clk_out_enable = 0,
+	.clk_out_amp = MxL_CLKOUT_AMP_0_94V,
+};
+
 static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
 {
 	int ret;
@@ -719,6 +730,48 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
 		fe = dvb_attach(fc0011_attach, adap->fe_adap[0].fe,
 				&adap->dev->i2c_adap, &af9035_fc0011_config);
 		break;
+	case AF9033_TUNER_MXL5007T:
+		ret = af9035_wr_reg(adap->dev, 0x00d8e0, 1);
+		if (ret < 0)
+			goto err;
+		ret = af9035_wr_reg(adap->dev, 0x00d8e1, 1);
+		if (ret < 0)
+			goto err;
+		ret = af9035_wr_reg(adap->dev, 0x00d8df, 0);
+		if (ret < 0)
+			goto err;
+
+		msleep(30);
+
+		ret = af9035_wr_reg(adap->dev, 0x00d8df, 1);
+		if (ret < 0)
+			goto err;
+
+		msleep(300);
+
+		ret = af9035_wr_reg(adap->dev, 0x00d8c0, 1);
+		if (ret < 0)
+			goto err;
+		ret = af9035_wr_reg(adap->dev, 0x00d8c1, 1);
+		if (ret < 0)
+			goto err;
+		ret = af9035_wr_reg(adap->dev, 0x00d8bf, 0);
+		if (ret < 0)
+			goto err;
+		ret = af9035_wr_reg(adap->dev, 0x00d8b4, 1);
+		if (ret < 0)
+			goto err;
+		ret = af9035_wr_reg(adap->dev, 0x00d8b5, 1);
+		if (ret < 0)
+			goto err;
+		ret = af9035_wr_reg(adap->dev, 0x00d8b3, 1);
+		if (ret < 0)
+			goto err;
+
+		/* attach tuner */
+		fe = dvb_attach(mxl5007t_attach, adap->fe_adap[0].fe,
+				&adap->dev->i2c_adap, 0x60, &af9035_mxl5007t_config);
+		break;
 	default:
 		fe = NULL;
 	}
@@ -740,6 +793,7 @@ enum af9035_id_entry {
 	AF9035_0CCD_0093,
 	AF9035_15A4_9035,
 	AF9035_15A4_1001,
+	AF9035_07CA_1867,
 };
 
 static struct usb_device_id af9035_id[] = {
@@ -749,6 +803,8 @@ static struct usb_device_id af9035_id[] = {
 		USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035)},
 	[AF9035_15A4_1001] = {
 		USB_DEVICE(USB_VID_AFATECH, USB_PID_AFATECH_AF9035_2)},
+	[AF9035_07CA_1867] = {
+		USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_1867)},
 	{},
 };
 
@@ -791,7 +847,7 @@ static struct dvb_usb_device_properties af9035_properties[] = {
 
 		.i2c_algo = &af9035_i2c_algo,
 
-		.num_device_descs = 2,
+		.num_device_descs = 3,
 		.devices = {
 			{
 				.name = "TerraTec Cinergy T Stick",
@@ -804,7 +860,12 @@ static struct dvb_usb_device_properties af9035_properties[] = {
 					&af9035_id[AF9035_15A4_9035],
 					&af9035_id[AF9035_15A4_1001],
 				},
-			}
+			}, {
+				.name = "AVerMedia HD Volar",
+				.cold_ids = {
+					&af9035_id[AF9035_07CA_1867],
+				},
+			},
 		}
 	},
 };

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

@@ -224,6 +224,7 @@
 #define USB_PID_AVERMEDIA_A850T				0x850b
 #define USB_PID_AVERMEDIA_A805				0xa805
 #define USB_PID_AVERMEDIA_A815M				0x815a
+#define USB_PID_AVERMEDIA_1867				0x1867
 #define USB_PID_TECHNOTREND_CONNECT_S2400               0x3006
 #define USB_PID_TECHNOTREND_CONNECT_CT3650		0x300d
 #define USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY	0x005a

drivers/media/dvb/frontends/af9033.c

@@ -301,6 +301,10 @@ static int af9033_init(struct dvb_frontend *fe)
 		len = ARRAY_SIZE(tuner_init_fc0011);
 		init = tuner_init_fc0011;
 		break;
+	case AF9033_TUNER_MXL5007T:
+		len = ARRAY_SIZE(tuner_init_mxl5007t);
+		init = tuner_init_mxl5007t;
+		break;
 	default:
 		pr_debug("%s: unsupported tuner ID=%d\n", __func__,
 				state->cfg.tuner);
@@ -391,9 +395,9 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
 {
 	struct af9033_state *state = fe->demodulator_priv;
 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
-	int ret, i;
+	int ret, i, spec_inv;
 	u8 tmp, buf[3], bandwidth_reg_val;
-	u32 if_frequency, freq_cw;
+	u32 if_frequency, freq_cw, adc_freq;
 
 	pr_debug("%s: frequency=%d bandwidth_hz=%d\n", __func__, c->frequency,
 			c->bandwidth_hz);
@@ -433,22 +437,41 @@ static int af9033_set_frontend(struct dvb_frontend *fe)
 
 	/* program frequency control */
 	if (c->bandwidth_hz != state->bandwidth_hz) {
+		spec_inv = state->cfg.spec_inv ? -1 : 1;
+
+		for (i = 0; i < ARRAY_SIZE(clock_adc_lut); i++) {
+			if (clock_adc_lut[i].clock == state->cfg.clock)
+				break;
+		}
+		adc_freq = clock_adc_lut[i].adc;
+
 		/* get used IF frequency */
 		if (fe->ops.tuner_ops.get_if_frequency)
 			fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency);
 		else
 			if_frequency = 0;
 
-		/* FIXME: we support only Zero-IF currently */
-		if (if_frequency != 0) {
-			pr_debug("%s: only Zero-IF supported currently\n",
-				__func__);
+		while (if_frequency > (adc_freq / 2))
+			if_frequency -= adc_freq;
 
-			ret = -ENODEV;
+		if (if_frequency >= 0)
+			spec_inv *= -1;
+		else
+			if_frequency *= -1;
+
+		freq_cw = af9033_div(if_frequency, adc_freq, 23ul);
+
+		if (spec_inv == -1)
+			freq_cw *= -1;
+
+		/* get adc multiplies */
+		ret = af9033_rd_reg(state, 0x800045, &tmp);
+		if (ret < 0)
 			goto err;
-		}
 
-		freq_cw = 0;
+		if (tmp == 1)
+			freq_cw /= 2;
+
 		buf[0] = (freq_cw >>  0) & 0xff;
 		buf[1] = (freq_cw >>  8) & 0xff;
 		buf[2] = (freq_cw >> 16) & 0x7f;

drivers/media/dvb/frontends/af9033.h

@@ -40,6 +40,7 @@ struct af9033_config {
 	 */
 #define AF9033_TUNER_TUA9001     0x27 /* Infineon TUA 9001 */
 #define AF9033_TUNER_FC0011      0x28 /* Fitipower FC0011 */
+#define AF9033_TUNER_MXL5007T    0xa0 /* MaxLinear MxL5007T */
 	u8 tuner;
 
 	/*

drivers/media/dvb/frontends/af9033_priv.h

@@ -397,5 +397,40 @@ static const struct reg_val tuner_init_fc0011[] = {
 	{ 0x80F1E6, 0x00 },
 };
 
+/* MaxLinear MxL5007T tuner init
+   AF9033_TUNER_MXL5007T    = 0xa0 */
+static const struct reg_val tuner_init_mxl5007t[] = {
+	{ 0x800046, 0x1b },
+	{ 0x800057, 0x01 },
+	{ 0x800058, 0x01 },
+	{ 0x80005f, 0x00 },
+	{ 0x800060, 0x00 },
+	{ 0x800068, 0x96 },
+	{ 0x800071, 0x05 },
+	{ 0x800072, 0x02 },
+	{ 0x800074, 0x01 },
+	{ 0x800079, 0x01 },
+	{ 0x800093, 0x00 },
+	{ 0x800094, 0x00 },
+	{ 0x800095, 0x00 },
+	{ 0x800096, 0x00 },
+	{ 0x8000b3, 0x01 },
+	{ 0x8000c1, 0x01 },
+	{ 0x8000c2, 0x00 },
+	{ 0x80f007, 0x00 },
+	{ 0x80f00c, 0x19 },
+	{ 0x80f00d, 0x1a },
+	{ 0x80f012, 0xda },
+	{ 0x80f013, 0x00 },
+	{ 0x80f014, 0x00 },
+	{ 0x80f015, 0x02 },
+	{ 0x80f01f, 0x82 },
+	{ 0x80f020, 0x00 },
+	{ 0x80f029, 0x82 },
+	{ 0x80f02a, 0x00 },
+	{ 0x80f077, 0x02 },
+	{ 0x80f1e6, 0x00 },
+};
+
 #endif /* AF9033_PRIV_H */