V4L/DVB (3311): DViCO FusionHDTV DVB-T Dual Digital PCI support

- Support for DVB reception on the PCI half of the DViCO DVB-T Dual Digital.
Signed-off-by: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>

Documentation/video4linux/CARDLIST.cx88

@@ -42,3 +42,4 @@
  41 -> Hauppauge WinTV-HVR1100 DVB-T/Hybrid (Low Profile)  [0070:9800,0070:9802]
  42 -> digitalnow DNTV Live! DVB-T Pro                     [1822:0025]
  43 -> KWorld/VStream XPert DVB-T with cx22702             [17de:08a1]
+ 44 -> DViCO FusionHDTV DVB-T Dual Digital                 [18ac:db50]

drivers/media/video/cx88/cx88-cards.c

@@ -1031,6 +1031,23 @@ struct cx88_board cx88_boards[] = {
 		}},
 		.dvb            = 1,
 	},
+	[CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL] = {
+		.name           = "DViCO FusionHDTV DVB-T Dual Digital",
+		.tuner_type     = TUNER_ABSENT, /* No analog tuner */
+		.radio_type     = UNSET,
+		.tuner_addr	= ADDR_UNSET,
+		.radio_addr	= ADDR_UNSET,
+		.input          = {{
+			.type   = CX88_VMUX_COMPOSITE1,
+			.vmux   = 1,
+			.gpio0  = 0x000027df,
+		 },{
+			.type   = CX88_VMUX_SVIDEO,
+			.vmux   = 2,
+			.gpio0  = 0x000027df,
+		}},
+		.dvb            = 1,
+	},
 
 };
 const unsigned int cx88_bcount = ARRAY_SIZE(cx88_boards);
@@ -1223,6 +1240,10 @@ struct cx88_subid cx88_subids[] = {
 	       .subvendor = 0x17de,
 	       .subdevice = 0x08a1,
 	       .card      = CX88_BOARD_KWORLD_DVB_T_CX22702,
+	},{
+		.subvendor = 0x18ac,
+		.subdevice = 0xdb50,
+		.card      = CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL,
        }
 };
 const unsigned int cx88_idcount = ARRAY_SIZE(cx88_subids);
@@ -1405,6 +1426,7 @@ void cx88_card_setup(struct cx88_core *core)
 		break;
 	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1:
 	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS:
+	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL:
 		/* GPIO0:0 is hooked to mt352 reset pin */
 		cx_set(MO_GP0_IO, 0x00000101);
 		cx_clear(MO_GP0_IO, 0x00000001);

drivers/media/video/cx88/cx88-dvb.c

@@ -132,6 +132,27 @@ static int generic_mt352_demod_init(struct dvb_frontend* fe)
 	return 0;
 }
 
+static int dvico_dual_demod_init(struct dvb_frontend *fe)
+{
+	static u8 clock_config []  = { CLOCK_CTL,  0x38, 0x38 };
+	static u8 reset []         = { RESET,      0x80 };
+	static u8 adc_ctl_1_cfg [] = { ADC_CTL_1,  0x40 };
+	static u8 agc_cfg []       = { AGC_TARGET, 0x28, 0x20 };
+	static u8 gpp_ctl_cfg []   = { GPP_CTL,    0x33 };
+	static u8 capt_range_cfg[] = { CAPT_RANGE, 0x32 };
+
+	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, gpp_ctl_cfg,    sizeof(gpp_ctl_cfg));
+	mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg));
+
+	return 0;
+}
+
 static int dntv_live_dvbt_demod_init(struct dvb_frontend* fe)
 {
 	static u8 clock_config []  = { 0x89, 0x38, 0x39 };
@@ -180,6 +201,12 @@ static struct mt352_config dntv_live_dvbt_config = {
 	.pll_set       = mt352_pll_set,
 };
 
+static struct mt352_config dvico_fusionhdtv_dual = {
+	.demod_address = 0x0F,
+	.demod_init    = dvico_dual_demod_init,
+	.pll_set       = mt352_pll_set,
+};
+
 #ifdef HAVE_VP3054_I2C
 static int philips_fmd1216_pll_init(struct dvb_frontend *fe)
 {
@@ -481,6 +508,14 @@ static int dvb_register(struct cx8802_dev *dev)
 		printk("%s: built without vp3054 support\n", dev->core->name);
 #endif
 		break;
+	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL:
+		/* The tin box says DEE1601, but it seems to be DTT7579
+		 * compatible, with a slightly different MT352 AGC gain. */
+		dev->core->pll_addr = 0x61;
+		dev->core->pll_desc = &dvb_pll_thomson_dtt7579;
+		dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv_dual,
+						 &dev->core->i2c_adap);
+		break;
 #endif
 #ifdef HAVE_OR51132
 	case CX88_BOARD_PCHDTV_HD3000:

drivers/media/video/cx88/cx88.h

@@ -186,6 +186,7 @@ extern struct sram_channel cx88_sram_channels[];
 #define CX88_BOARD_HAUPPAUGE_HVR1100LP     41
 #define CX88_BOARD_DNTV_LIVE_DVB_T_PRO     42
 #define CX88_BOARD_KWORLD_DVB_T_CX22702    43
+#define CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL 44
 
 enum cx88_itype {
 	CX88_VMUX_COMPOSITE1 = 1,