[PATCH] add support for the dvb-t part of CT-3650 v2

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This patch add suport for the dvb-t part of CT-3650.

Jose Alberto

Signed-off-by: Jose Alberto Reguero <jareguero@xxxxxxxxxxxxxx>
diff -ur linux/drivers/media/common/tuners/tda827x.c linux.new/drivers/media/common/tuners/tda827x.c
--- linux/drivers/media/common/tuners/tda827x.c	2010-07-03 23:22:08.000000000 +0200
+++ linux.new/drivers/media/common/tuners/tda827x.c	2011-07-04 12:00:29.931561053 +0200
@@ -135,14 +135,29 @@
 
 static int tuner_transfer(struct dvb_frontend *fe,
 			  struct i2c_msg *msg,
-			  const int size)
+			  int size)
 {
 	int rc;
 	struct tda827x_priv *priv = fe->tuner_priv;
+	struct i2c_msg msgr[2];
 
 	if (fe->ops.i2c_gate_ctrl)
 		fe->ops.i2c_gate_ctrl(fe, 1);
-	rc = i2c_transfer(priv->i2c_adap, msg, size);
+	if (priv->cfg->i2cr && (msg->flags == I2C_M_RD)) {
+		msgr[0].addr = msg->addr;
+		msgr[0].flags = 0;
+		msgr[0].len = msg->len - 1;
+		msgr[0].buf = msg->buf;
+		msgr[1].addr = msg->addr;
+		msgr[1].flags = I2C_M_RD;
+		msgr[1].len = 1;
+		msgr[1].buf = msg->buf;
+		size = 2;
+		rc = i2c_transfer(priv->i2c_adap, msgr, size);
+		msg->buf[msg->len - 1] = msgr[1].buf[0];
+	} else {
+		rc = i2c_transfer(priv->i2c_adap, msg, size);
+	}
 	if (fe->ops.i2c_gate_ctrl)
 		fe->ops.i2c_gate_ctrl(fe, 0);
 
@@ -540,7 +555,7 @@
 		if_freq = 5000000;
 		break;
 	}
-	tuner_freq = params->frequency + if_freq;
+	tuner_freq = params->frequency;
 
 	if (fe->ops.info.type == FE_QAM) {
 		dprintk("%s select tda827xa_dvbc\n", __func__);
@@ -554,6 +569,8 @@
 		i++;
 	}
 
+	tuner_freq += if_freq;
+
 	N = ((tuner_freq + 31250) / 62500) << frequency_map[i].spd;
 	buf[0] = 0;            // subaddress
 	buf[1] = N >> 8;
diff -ur linux/drivers/media/common/tuners/tda827x.h linux.new/drivers/media/common/tuners/tda827x.h
--- linux/drivers/media/common/tuners/tda827x.h	2010-07-03 23:22:08.000000000 +0200
+++ linux.new/drivers/media/common/tuners/tda827x.h	2011-05-21 22:48:31.484340005 +0200
@@ -38,6 +38,8 @@
 	int 	     switch_addr;
 
 	void (*agcf)(struct dvb_frontend *fe);
+
+	u8 i2cr;
 };
 
 
diff -ur linux/drivers/media/dvb/dvb-usb/ttusb2.c linux.new/drivers/media/dvb/dvb-usb/ttusb2.c
--- linux/drivers/media/dvb/dvb-usb/ttusb2.c	2011-01-10 16:24:45.000000000 +0100
+++ linux.new/drivers/media/dvb/dvb-usb/ttusb2.c	2011-07-05 12:35:51.842182196 +0200
@@ -30,6 +30,7 @@
 #include "tda826x.h"
 #include "tda10086.h"
 #include "tda1002x.h"
+#include "tda10048.h"
 #include "tda827x.h"
 #include "lnbp21.h"
 
@@ -44,6 +45,7 @@
 struct ttusb2_state {
 	u8 id;
 	u16 last_rc_key;
+	struct dvb_frontend *fe;
 };
 
 static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,
@@ -190,6 +190,22 @@
 	.deltaf = 0xa511,
 };
 
+static struct tda10048_config tda10048_config = {
+	.demod_address    = 0x10 >> 1,
+	.output_mode      = TDA10048_PARALLEL_OUTPUT,
+	.inversion        = TDA10048_INVERSION_ON,
+	.dtv6_if_freq_khz = TDA10048_IF_4000,
+	.dtv7_if_freq_khz = TDA10048_IF_4500,
+	.dtv8_if_freq_khz = TDA10048_IF_5000,
+	.clk_freq_khz     = TDA10048_CLK_16000,
+	.no_firmware      = 1,
+};
+
+static struct tda827x_config tda827x_config = {
+	.i2cr = 1,
+	.config = 0,
+};
+
 static int ttusb2_frontend_tda10086_attach(struct dvb_usb_adapter *adap)
 {
 	if (usb_set_interface(adap->dev->udev,0,3) < 0)
@@ -205,18 +221,32 @@
 
 static int ttusb2_frontend_tda10023_attach(struct dvb_usb_adapter *adap)
 {
+
+	struct ttusb2_state *state;
 	if (usb_set_interface(adap->dev->udev, 0, 3) < 0)
 		err("set interface to alts=3 failed");
+	state = (struct ttusb2_state *)adap->dev->priv;
 	if ((adap->fe = dvb_attach(tda10023_attach, &tda10023_config, &adap->dev->i2c_adap, 0x48)) == NULL) {
 		deb_info("TDA10023 attach failed\n");
 		return -ENODEV;
 	}
+	adap->fe->id = 1;
+	tda10048_config.fe = adap->fe;
+	if ((state->fe = dvb_attach(tda10048_attach, &tda10048_config, &adap->dev->i2c_adap)) == NULL) {
+		deb_info("TDA10048 attach failed\n");
+		return -ENODEV;
+	}
+	dvb_register_frontend(&adap->dvb_adap, state->fe);
+	if (dvb_attach(tda827x_attach, state->fe, 0x61, &adap->dev->i2c_adap, &tda827x_config) == NULL) {
+		printk(KERN_ERR "%s: No tda827x found!\n", __func__);
+		return -ENODEV;
+	}
 	return 0;
 }
 
 static int ttusb2_tuner_tda827x_attach(struct dvb_usb_adapter *adap)
 {
-	if (dvb_attach(tda827x_attach, adap->fe, 0x61, &adap->dev->i2c_adap, NULL) == NULL) {
+	if (dvb_attach(tda827x_attach, adap->fe, 0x61, &adap->dev->i2c_adap, &tda827x_config) == NULL) {
 		printk(KERN_ERR "%s: No tda827x found!\n", __func__);
 		return -ENODEV;
 	}
@@ -242,6 +272,19 @@
 static struct dvb_usb_device_properties ttusb2_properties_s2400;
 static struct dvb_usb_device_properties ttusb2_properties_ct3650;
 
+static void ttusb2_usb_disconnect (struct usb_interface *intf)
+{
+	struct dvb_usb_device *d = usb_get_intfdata (intf);
+	struct ttusb2_state * state;
+
+	state = (struct ttusb2_state *)d->priv;
+	if (state->fe) {
+		dvb_unregister_frontend(state->fe);
+		dvb_frontend_detach(state->fe);
+	}
+	dvb_usb_device_exit (intf);
+}
+
 static int ttusb2_probe(struct usb_interface *intf,
 		const struct usb_device_id *id)
 {
@@ -422,7 +465,7 @@
 static struct usb_driver ttusb2_driver = {
 	.name		= "dvb_usb_ttusb2",
 	.probe		= ttusb2_probe,
-	.disconnect = dvb_usb_device_exit,
+	.disconnect = ttusb2_usb_disconnect,
 	.id_table	= ttusb2_table,
 };
 
diff -ur linux/drivers/media/dvb/frontends/Makefile linux.new/drivers/media/dvb/frontends/Makefile
--- linux/drivers/media/dvb/frontends/Makefile	2011-05-06 05:45:29.000000000 +0200
+++ linux.new/drivers/media/dvb/frontends/Makefile	2011-07-05 01:36:24.621564185 +0200
@@ -4,6 +4,7 @@
 
 EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core/
 EXTRA_CFLAGS += -Idrivers/media/common/tuners/
+EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-usb/
 
 stb0899-objs = stb0899_drv.o stb0899_algo.o
 stv0900-objs = stv0900_core.o stv0900_sw.o
diff -ur linux/drivers/media/dvb/frontends/tda10048.c linux.new/drivers/media/dvb/frontends/tda10048.c
--- linux/drivers/media/dvb/frontends/tda10048.c	2010-10-25 01:34:58.000000000 +0200
+++ linux.new/drivers/media/dvb/frontends/tda10048.c	2011-07-05 01:57:47.758466025 +0200
@@ -30,6 +30,7 @@
 #include "dvb_frontend.h"
 #include "dvb_math.h"
 #include "tda10048.h"
+#include "dvb-usb.h"
 
 #define TDA10048_DEFAULT_FIRMWARE "dvb-fe-tda10048-1.0.fw"
 #define TDA10048_DEFAULT_FIRMWARE_SIZE 24878
@@ -214,6 +215,8 @@
 	{ TDA10048_CLK_16000, TDA10048_IF_3800,  10, 3, 0 },
 	{ TDA10048_CLK_16000, TDA10048_IF_4000,  10, 3, 0 },
 	{ TDA10048_CLK_16000, TDA10048_IF_4300,  10, 3, 0 },
+	{ TDA10048_CLK_16000, TDA10048_IF_4500,   5, 3, 0 },
+	{ TDA10048_CLK_16000, TDA10048_IF_5000,   5, 3, 0 },
 	{ TDA10048_CLK_16000, TDA10048_IF_36130, 10, 3, 0 },
 };
 
@@ -429,6 +432,19 @@
 	return 0;
 }
 
+static int tda10048_set_pll(struct dvb_frontend *fe)
+{
+	struct tda10048_state *state = fe->demodulator_priv;
+
+	dprintk(1, "%s()\n", __func__);
+
+	tda10048_writereg(state, TDA10048_CONF_PLL1, 0x0f);
+	tda10048_writereg(state, TDA10048_CONF_PLL2, (u8)(state->pll_mfactor));
+	tda10048_writereg(state, TDA10048_CONF_PLL3, tda10048_readreg(state, TDA10048_CONF_PLL3) | ((u8)(state->pll_nfactor) | 0x40));
+
+	return 0;
+}
+
 static int tda10048_set_if(struct dvb_frontend *fe, enum fe_bandwidth bw)
 {
 	struct tda10048_state *state = fe->demodulator_priv;
@@ -478,6 +494,9 @@
 	dprintk(1, "- pll_nfactor = %d\n", state->pll_nfactor);
 	dprintk(1, "- pll_pfactor = %d\n", state->pll_pfactor);
 
+	/* Set the  pll registers */
+	tda10048_set_pll(fe);
+
 	/* Calculate the sample frequency */
 	state->sample_freq = state->xtal_hz * (state->pll_mfactor + 45);
 	state->sample_freq /= (state->pll_nfactor + 1);
@@ -710,12 +729,16 @@
 	if (config->disable_gate_access)
 		return 0;
 
-	if (enable)
-		return tda10048_writereg(state, TDA10048_CONF_C4_1,
-			tda10048_readreg(state, TDA10048_CONF_C4_1) | 0x02);
-	else
-		return tda10048_writereg(state, TDA10048_CONF_C4_1,
-			tda10048_readreg(state, TDA10048_CONF_C4_1) & 0xfd);
+	if (config->fe && config->fe->ops.i2c_gate_ctrl) {
+		return config->fe->ops.i2c_gate_ctrl(config->fe, enable);
+	} else {
+		if (enable)
+			return tda10048_writereg(state, TDA10048_CONF_C4_1,
+				tda10048_readreg(state, TDA10048_CONF_C4_1) | 0x02);
+		else
+			return tda10048_writereg(state, TDA10048_CONF_C4_1,
+				tda10048_readreg(state, TDA10048_CONF_C4_1) & 0xfd);
+	}
 }
 
 static int tda10048_output_mode(struct dvb_frontend *fe, int serial)
@@ -772,20 +795,45 @@
 	return 0;
 }
 
+static int tda10048_sleep(struct dvb_frontend *fe)
+{
+	struct tda10048_state *state = fe->demodulator_priv;
+	struct tda10048_config *config = &state->config;
+	struct dvb_usb_adapter *adap;
+
+	dprintk(1, "%s()\n", __func__);
+
+	if (config->fe) {
+		adap = fe->dvb->priv;
+		if (adap->dev->props.power_ctrl)
+			adap->dev->props.power_ctrl(adap->dev, 0);
+	}
+
+	return 0;
+}
+
 /* Establish sane defaults and load firmware. */
 static int tda10048_init(struct dvb_frontend *fe)
 {
 	struct tda10048_state *state = fe->demodulator_priv;
 	struct tda10048_config *config = &state->config;
+	struct dvb_usb_adapter *adap;
 	int ret = 0, i;
 
 	dprintk(1, "%s()\n", __func__);
 
+	if (config->fe) {
+		adap = fe->dvb->priv;
+		if (adap->dev->props.power_ctrl)
+			adap->dev->props.power_ctrl(adap->dev, 1);
+	}
+
+
 	/* Apply register defaults */
 	for (i = 0; i < ARRAY_SIZE(init_tab); i++)
 		tda10048_writereg(state, init_tab[i].reg, init_tab[i].data);
 
-	if (state->fwloaded == 0)
+	if ((state->fwloaded == 0) && (!config->no_firmware))
 		ret = tda10048_firmware_upload(fe);
 
 	/* Set either serial or parallel */
@@ -1174,6 +1222,7 @@
 
 	.release = tda10048_release,
 	.init = tda10048_init,
+	.sleep = tda10048_sleep,
 	.i2c_gate_ctrl = tda10048_i2c_gate_ctrl,
 	.set_frontend = tda10048_set_frontend,
 	.get_frontend = tda10048_get_frontend,
diff -ur linux/drivers/media/dvb/frontends/tda10048.h linux.new/drivers/media/dvb/frontends/tda10048.h
--- linux/drivers/media/dvb/frontends/tda10048.h	2010-07-03 23:22:08.000000000 +0200
+++ linux.new/drivers/media/dvb/frontends/tda10048.h	2011-07-05 02:02:42.775466043 +0200
@@ -51,6 +51,7 @@
 #define TDA10048_IF_4300  4300
 #define TDA10048_IF_4500  4500
 #define TDA10048_IF_4750  4750
+#define TDA10048_IF_5000  5000
 #define TDA10048_IF_36130 36130
 	u16 dtv6_if_freq_khz;
 	u16 dtv7_if_freq_khz;
@@ -62,6 +63,10 @@
 
 	/* Disable I2C gate access */
 	u8 disable_gate_access;
+
+	u8 no_firmware;
+
+	struct dvb_frontend *fe;
 };
 
 #if defined(CONFIG_DVB_TDA10048) || \

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