[media] cx23885: add DVBSky S952 support

DVBSky S952 dvb-s/s2 dual PCIe card:
1>dvb frontend: M88TS2022(tuner),M88DS3103(demod)
2>PCIe bridge: CX23885(port b: parallel mode, port c: serial mode)
3>rc: cx23885 integrated.

Signed-off-by: Nibble Max <nibble.max@gmail.com>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Reviewed-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/pci/cx23885/cx23885-cards.c

@@ -696,6 +696,11 @@ struct cx23885_board cx23885_boards[] = {
 		.name		= "DVBSky S950",
 		.portb		= CX23885_MPEG_DVB,
 	},
+	[CX23885_BOARD_DVBSKY_S952] = {
+		.name		= "DVBSky S952",
+		.portb		= CX23885_MPEG_DVB,
+		.portc		= CX23885_MPEG_DVB,
+	},
 };
 const unsigned int cx23885_bcount = ARRAY_SIZE(cx23885_boards);
 
@@ -971,6 +976,10 @@ struct cx23885_subid cx23885_subids[] = {
 		.subvendor = 0x4254,
 		.subdevice = 0x0950,
 		.card      = CX23885_BOARD_DVBSKY_S950,
+	}, {
+		.subvendor = 0x4254,
+		.subdevice = 0x0952,
+		.card      = CX23885_BOARD_DVBSKY_S952,
 	},
 };
 const unsigned int cx23885_idcount = ARRAY_SIZE(cx23885_subids);
@@ -1566,6 +1575,7 @@ void cx23885_gpio_setup(struct cx23885_dev *dev)
 		mdelay(60);
 		break;
 	case CX23885_BOARD_DVBSKY_T9580:
+	case CX23885_BOARD_DVBSKY_S952:
 		/* enable GPIO3-18 pins */
 		cx_write(MC417_CTL, 0x00000037);
 		cx23885_gpio_enable(dev, GPIO_2 | GPIO_11, 1);
@@ -1697,6 +1707,7 @@ int cx23885_ir_init(struct cx23885_dev *dev)
 	case CX23885_BOARD_DVBSKY_S950C:
 	case CX23885_BOARD_TT_CT2_4500_CI:
 	case CX23885_BOARD_DVBSKY_S950:
+	case CX23885_BOARD_DVBSKY_S952:
 		if (!enable_885_ir)
 			break;
 		dev->sd_ir = cx23885_find_hw(dev, CX23885_HW_AV_CORE);
@@ -1748,6 +1759,7 @@ void cx23885_ir_fini(struct cx23885_dev *dev)
 	case CX23885_BOARD_DVBSKY_S950C:
 	case CX23885_BOARD_TT_CT2_4500_CI:
 	case CX23885_BOARD_DVBSKY_S950:
+	case CX23885_BOARD_DVBSKY_S952:
 		cx23885_irq_remove(dev, PCI_MSK_AV_CORE);
 		/* sd_ir is a duplicate pointer to the AV Core, just clear it */
 		dev->sd_ir = NULL;
@@ -1800,6 +1812,7 @@ void cx23885_ir_pci_int_enable(struct cx23885_dev *dev)
 	case CX23885_BOARD_DVBSKY_S950C:
 	case CX23885_BOARD_TT_CT2_4500_CI:
 	case CX23885_BOARD_DVBSKY_S950:
+	case CX23885_BOARD_DVBSKY_S952:
 		if (dev->sd_ir)
 			cx23885_irq_add_enable(dev, PCI_MSK_AV_CORE);
 		break;
@@ -1962,6 +1975,14 @@ void cx23885_card_setup(struct cx23885_dev *dev)
 		ts2->ts_clk_en_val = 0x1; /* Enable TS_CLK */
 		ts2->src_sel_val   = CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO;
 		break;
+	case CX23885_BOARD_DVBSKY_S952:
+		ts1->gen_ctrl_val  = 0x5; /* Parallel */
+		ts1->ts_clk_en_val = 0x1; /* Enable TS_CLK */
+		ts1->src_sel_val   = CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO;
+		ts2->gen_ctrl_val  = 0xe; /* Serial bus */
+		ts2->ts_clk_en_val = 0x1; /* Enable TS_CLK */
+		ts2->src_sel_val   = CX23885_SRC_SEL_PARALLEL_MPEG_VIDEO;
+		break;
 	case CX23885_BOARD_HAUPPAUGE_HVR1250:
 	case CX23885_BOARD_HAUPPAUGE_HVR1500:
 	case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
@@ -2029,6 +2050,7 @@ void cx23885_card_setup(struct cx23885_dev *dev)
 	case CX23885_BOARD_DVBSKY_S950C:
 	case CX23885_BOARD_TT_CT2_4500_CI:
 	case CX23885_BOARD_DVBSKY_S950:
+	case CX23885_BOARD_DVBSKY_S952:
 		dev->sd_cx25840 = v4l2_i2c_new_subdev(&dev->v4l2_dev,
 				&dev->i2c_bus[2].i2c_adap,
 				"cx25840", 0x88 >> 1, NULL);

drivers/media/pci/cx23885/cx23885-dvb.c

@@ -617,6 +617,32 @@ static int dvbsky_t9580_set_voltage(struct dvb_frontend *fe,
 	return 0;
 }
 
+static int dvbsky_s952_portc_set_voltage(struct dvb_frontend *fe,
+					fe_sec_voltage_t voltage)
+{
+	struct cx23885_tsport *port = fe->dvb->priv;
+	struct cx23885_dev *dev = port->dev;
+
+	cx23885_gpio_enable(dev, GPIO_12 | GPIO_13, 1);
+
+	switch (voltage) {
+	case SEC_VOLTAGE_13:
+		cx23885_gpio_set(dev, GPIO_13);
+		cx23885_gpio_clear(dev, GPIO_12);
+		break;
+	case SEC_VOLTAGE_18:
+		cx23885_gpio_set(dev, GPIO_13);
+		cx23885_gpio_set(dev, GPIO_12);
+		break;
+	case SEC_VOLTAGE_OFF:
+		cx23885_gpio_clear(dev, GPIO_13);
+		cx23885_gpio_clear(dev, GPIO_12);
+		break;
+	}
+	/* call the frontend set_voltage function */
+	return port->fe_set_voltage(fe, voltage);
+}
+
 static int cx23885_sp2_ci_ctrl(void *priv, u8 read, int addr,
 				u8 data, int *mem)
 {
@@ -878,6 +904,19 @@ static const struct m88ds3103_config dvbsky_s950c_m88ds3103_config = {
 	.agc = 0x99,
 };
 
+static const struct m88ds3103_config dvbsky_s952_portc_m88ds3103_config = {
+	.i2c_addr = 0x68,
+	.clock = 27000000,
+	.i2c_wr_max = 33,
+	.clock_out = 0,
+	.ts_mode = M88DS3103_TS_SERIAL,
+	.ts_clk = 96000,
+	.ts_clk_pol = 0,
+	.lnb_en_pol = 1,
+	.lnb_hv_pol = 0,
+	.agc = 0x99,
+};
+
 static int netup_altera_fpga_rw(void *device, int flag, int data, int read)
 {
 	struct cx23885_dev *dev = (struct cx23885_dev *)device;
@@ -1034,6 +1073,8 @@ static int dvb_register(struct cx23885_tsport *port)
 	struct i2c_board_info info;
 	struct i2c_adapter *adapter;
 	struct i2c_client *client_demod = NULL, *client_tuner = NULL, *client_ci = NULL;
+	const struct m88ds3103_config *p_m88ds3103_config = NULL;
+	int (*p_set_voltage)(struct dvb_frontend *fe, fe_sec_voltage_t voltage) = NULL;
 	int mfe_shared = 0; /* bus not shared by default */
 	int ret;
 
@@ -1847,6 +1888,61 @@ static int dvb_register(struct cx23885_tsport *port)
 		fe0->dvb.frontend->ops.read_signal_strength =
 			fe0->dvb.frontend->ops.tuner_ops.get_rf_strength;
 
+		port->i2c_client_tuner = client_tuner;
+		break;
+	case CX23885_BOARD_DVBSKY_S952:
+		switch (port->nr) {
+		/* port b */
+		case 1:
+			i2c_bus = &dev->i2c_bus[1];
+			p_m88ds3103_config = &dvbsky_t9580_m88ds3103_config;
+			p_set_voltage = dvbsky_t9580_set_voltage;
+			break;
+		/* port c */
+		case 2:
+			i2c_bus = &dev->i2c_bus[0];
+			p_m88ds3103_config = &dvbsky_s952_portc_m88ds3103_config;
+			p_set_voltage = dvbsky_s952_portc_set_voltage;
+			break;
+		}
+
+		/* attach frontend */
+		fe0->dvb.frontend = dvb_attach(m88ds3103_attach,
+				p_m88ds3103_config,
+				&i2c_bus->i2c_adap, &adapter);
+		if (fe0->dvb.frontend == NULL)
+			break;
+
+		/* attach tuner */
+		memset(&m88ts2022_config, 0, sizeof(m88ts2022_config));
+		m88ts2022_config.fe = fe0->dvb.frontend;
+		m88ts2022_config.clock = 27000000;
+		memset(&info, 0, sizeof(struct i2c_board_info));
+		strlcpy(info.type, "m88ts2022", I2C_NAME_SIZE);
+		info.addr = 0x60;
+		info.platform_data = &m88ts2022_config;
+		request_module(info.type);
+		client_tuner = i2c_new_device(adapter, &info);
+		if (client_tuner == NULL ||
+				client_tuner->dev.driver == NULL)
+			goto frontend_detach;
+		if (!try_module_get(client_tuner->dev.driver->owner)) {
+			i2c_unregister_device(client_tuner);
+			goto frontend_detach;
+		}
+
+		/* delegate signal strength measurement to tuner */
+		fe0->dvb.frontend->ops.read_signal_strength =
+			fe0->dvb.frontend->ops.tuner_ops.get_rf_strength;
+
+		/*
+		 * for setting the voltage we need to set GPIOs on
+		 * the card.
+		 */
+		port->fe_set_voltage =
+			fe0->dvb.frontend->ops.set_voltage;
+		fe0->dvb.frontend->ops.set_voltage = p_set_voltage;
+
 		port->i2c_client_tuner = client_tuner;
 		break;
 	default:
@@ -1924,7 +2020,8 @@ static int dvb_register(struct cx23885_tsport *port)
 		break;
 		}
 	case CX23885_BOARD_DVBSKY_T9580:
-	case CX23885_BOARD_DVBSKY_S950: {
+	case CX23885_BOARD_DVBSKY_S950:
+	case CX23885_BOARD_DVBSKY_S952: {
 		u8 eeprom[256]; /* 24C02 i2c eeprom */
 
 		if (port->nr > 2)

drivers/media/pci/cx23885/cx23885-input.c

@@ -92,6 +92,7 @@ void cx23885_input_rx_work_handler(struct cx23885_dev *dev, u32 events)
 	case CX23885_BOARD_DVBSKY_S950C:
 	case CX23885_BOARD_TT_CT2_4500_CI:
 	case CX23885_BOARD_DVBSKY_S950:
+	case CX23885_BOARD_DVBSKY_S952:
 		/*
 		 * The only boards we handle right now.  However other boards
 		 * using the CX2388x integrated IR controller should be similar
@@ -149,6 +150,7 @@ static int cx23885_input_ir_start(struct cx23885_dev *dev)
 	case CX23885_BOARD_DVBSKY_S950C:
 	case CX23885_BOARD_TT_CT2_4500_CI:
 	case CX23885_BOARD_DVBSKY_S950:
+	case CX23885_BOARD_DVBSKY_S952:
 		/*
 		 * The IR controller on this board only returns pulse widths.
 		 * Any other mode setting will fail to set up the device.
@@ -319,6 +321,7 @@ int cx23885_input_init(struct cx23885_dev *dev)
 	case CX23885_BOARD_DVBSKY_T980C:
 	case CX23885_BOARD_DVBSKY_S950C:
 	case CX23885_BOARD_DVBSKY_S950:
+	case CX23885_BOARD_DVBSKY_S952:
 		/* Integrated CX23885 IR controller */
 		driver_type = RC_DRIVER_IR_RAW;
 		allowed_protos = RC_BIT_ALL;

drivers/media/pci/cx23885/cx23885.h

@@ -97,6 +97,7 @@
 #define CX23885_BOARD_DVBSKY_S950C             47
 #define CX23885_BOARD_TT_CT2_4500_CI           48
 #define CX23885_BOARD_DVBSKY_S950              49
+#define CX23885_BOARD_DVBSKY_S952              50
 
 #define GPIO_0 0x00000001
 #define GPIO_1 0x00000002