V4L/DVB (7458): saa7134: Adds analog support for Avermedia A16D

Thanks to timf <timf@iinet.net.au>, "Richard (MQ)" <osl2008@googlemail.com> and
gian luca rasponi <lucarasp@inwind.it> for their tests.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/saa7134/saa7134-cards.c

@@ -5217,6 +5217,13 @@ static int saa7134_xc2028_callback(struct saa7134_dev *dev,
 	case XC2028_TUNER_RESET:
 		saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, 0x06e20000, 0x06e20000);
 		saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, 0x06a20000, 0x06a20000);
+		mdelay(250);
+		saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, 0x06e20000, 0);
+		saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, 0x06a20000, 0);
+		mdelay(250);
+		saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, 0x06e20000, 0x06e20000);
+		saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, 0x06a20000, 0x06a20000);
+		mdelay(250);
 		saa_andorl(SAA7133_ANALOG_IO_SELECT >> 2, 0x02, 0x02);
 		saa_andorl(SAA7134_ANALOG_IN_CTRL1 >> 2, 0x81, 0x81);
 		saa_andorl(SAA7134_AUDIO_CLOCK0 >> 2, 0x03187de7, 0x03187de7);
@@ -5413,10 +5420,15 @@ int saa7134_board_init1(struct saa7134_dev *dev)
 	case SAA7134_BOARD_AVERMEDIA_CARDBUS_506:
 	case SAA7134_BOARD_AVERMEDIA_M115:
 	case SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM:
+	case SAA7134_BOARD_AVERMEDIA_A16D:
+		/* power-down tuner chip */
+		saa_andorl(SAA7134_GPIO_GPMODE0 >> 2,   0xffffffff, 0);
+		saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, 0xffffffff, 0);
+		msleep(10);
 		/* power-up tuner chip */
 		saa_andorl(SAA7134_GPIO_GPMODE0 >> 2,   0xffffffff, 0xffffffff);
 		saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, 0xffffffff, 0xffffffff);
-		msleep(1);
+		msleep(10);
 		break;
 	case SAA7134_BOARD_RTD_VFG7350:
 
@@ -5709,9 +5721,14 @@ int saa7134_board_init2(struct saa7134_dev *dev)
 		ctl.fname   = XC2028_DEFAULT_FIRMWARE;
 		ctl.max_len = 64;
 
-		/* FIXME: This should be device-dependent */
+		switch (dev->board) {
+		case SAA7134_BOARD_AVERMEDIA_A16D:
+			ctl.demod = XC3028_FE_ZARLINK456;
+			break;
+		default:
 			ctl.demod = XC3028_FE_OREN538;
 			ctl.mts = 1;
+		}
 
 		xc2028_cfg.tuner = TUNER_XC2028;
 		xc2028_cfg.priv  = &ctl;

drivers/media/video/saa7134/saa7134-dvb.c

@@ -151,6 +151,26 @@ static int mt352_aver777_init(struct dvb_frontend* fe)
 	return 0;
 }
 
+static int mt352_aver_a16d_init(struct dvb_frontend *fe)
+{
+	static u8 clock_config []  = { CLOCK_CTL,  0x38, 0x2d };
+	static u8 reset []         = { RESET,      0x80 };
+	static u8 adc_ctl_1_cfg [] = { ADC_CTL_1,  0x40 };
+	static u8 agc_cfg []       = { AGC_TARGET, 0x28, 0xa0 };
+	static u8 capt_range_cfg[] = { CAPT_RANGE, 0x33 };
+
+	mt352_write(fe, clock_config,   sizeof(clock_config));
+	udelay(200);
+	mt352_write(fe, reset,          sizeof(reset));
+	mt352_write(fe, adc_ctl_1_cfg,  sizeof(adc_ctl_1_cfg));
+	mt352_write(fe, agc_cfg,        sizeof(agc_cfg));
+	mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
+
+	return 0;
+}
+
+
+
 static int mt352_pinnacle_tuner_set_params(struct dvb_frontend* fe,
 					   struct dvb_frontend_parameters* params)
 {
@@ -193,6 +213,11 @@ static struct mt352_config avermedia_777 = {
 	.demod_init    = mt352_aver777_init,
 };
 
+static struct mt352_config avermedia_16d = {
+	.demod_address = 0xf,
+	.demod_init    = mt352_aver_a16d_init,
+};
+
 static struct mt352_config avermedia_e506r_mt352_dev = {
 	.demod_address   = (0x1e >> 1),
 	.no_tuner        = 1,
@@ -935,6 +960,12 @@ static int dvb_init(struct saa7134_dev *dev)
 				   TUNER_PHILIPS_TD1316);
 		}
 		break;
+	case SAA7134_BOARD_AVERMEDIA_A16D:
+		dprintk("avertv A16D dvb setup\n");
+		dev->dvb.frontend = dvb_attach(mt352_attach, &avermedia_16d,
+					       &dev->i2c_adap);
+		attach_xc3028 = 1;
+		break;
 	case SAA7134_BOARD_MD7134:
 		dev->dvb.frontend = dvb_attach(tda10046_attach,
 					       &medion_cardbus,
@@ -1205,6 +1236,10 @@ static int dvb_init(struct saa7134_dev *dev)
 			.i2c_adap  = &dev->i2c_adap,
 			.i2c_addr  = 0x61,
 		};
+
+		if (!dev->dvb.frontend)
+			return -1;
+
 		fe = dvb_attach(xc2028_attach, dev->dvb.frontend, &cfg);
 		if (!fe) {
 			printk(KERN_ERR "%s/2: xc3028 attach failed\n",