[PATCH] dvb: ttpci: add support for Technotrend/Hauppauge DVB-S SE

Add support for s5h1420 frontend (new Technotrend/Hauppauge DVB-S SE).
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/media/dvb/frontends/Kconfig

@@ -40,6 +40,12 @@ config DVB_VES1X93
 	help
 	  A DVB-S tuner module. Say Y when you want to support this frontend.
 
+config DVB_S5H1420
+	tristate "Samsung S5H1420 based"
+	depends on DVB_CORE
+	help
+	  A DVB-S tuner module. Say Y when you want to support this frontend.
+
 comment "DVB-T (terrestrial) frontends"
 	depends on DVB_CORE
 

drivers/media/dvb/frontends/Makefile

@@ -29,3 +29,4 @@ obj-$(CONFIG_DVB_NXT2002) += nxt2002.o
 obj-$(CONFIG_DVB_OR51211) += or51211.o
 obj-$(CONFIG_DVB_OR51132) += or51132.o
 obj-$(CONFIG_DVB_BCM3510) += bcm3510.o
+obj-$(CONFIG_DVB_S5H1420) += s5h1420.o

drivers/media/dvb/frontends/s5h1420.h

+/*
+    Driver for S5H1420 QPSK Demodulators
+
+    Copyright (C) 2005 Andrew de Quincey <adq_dvb@lidskialf.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef S5H1420_H
+#define S5H1420_H
+
+#include <linux/dvb/frontend.h>
+
+struct s5h1420_config
+{
+	/* the demodulator's i2c address */
+	u8 demod_address;
+
+	/* PLL maintenance */
+	int (*pll_init)(struct dvb_frontend* fe);
+	int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u32* freqout);
+};
+
+extern struct dvb_frontend* s5h1420_attach(const struct s5h1420_config* config,
+             struct i2c_adapter* i2c);
+
+#endif // S5H1420_H

drivers/media/dvb/ttpci/Kconfig

@@ -66,6 +66,7 @@ config DVB_BUDGET
 	select DVB_L64781
 	select DVB_TDA8083
 	select DVB_TDA10021
+	select DVB_S5H1420
 	help
 	  Support for simple SAA7146 based DVB cards
 	  (so called Budget- or Nova-PCI cards) without onboard

drivers/media/dvb/ttpci/budget.c

@@ -40,6 +40,7 @@
 #include "ves1820.h"
 #include "l64781.h"
 #include "tda8083.h"
+#include "s5h1420.h"
 
 static void Set22K (struct budget *budget, int state)
 {
@@ -177,6 +178,62 @@ static int budget_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t m
 	return 0;
 }
 
+static int lnbp21_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
+{
+	struct budget* budget = (struct budget*) fe->dvb->priv;
+	u8 buf;
+	struct i2c_msg msg = { .addr = 0x08, .flags = I2C_M_RD, .buf = &buf, .len = sizeof(buf) };
+
+	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
+
+	switch(voltage) {
+	case SEC_VOLTAGE_13:
+		buf = (buf & 0xf7) | 0x04;
+		break;
+
+	case SEC_VOLTAGE_18:
+		buf = (buf & 0xf7) | 0x0c;
+		break;
+
+	case SEC_VOLTAGE_OFF:
+		buf = buf & 0xf0;
+		break;
+	}
+
+	msg.flags = 0;
+	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
+
+	return 0;
+}
+
+static int lnbp21_enable_high_lnb_voltage(struct dvb_frontend* fe, int arg)
+{
+	struct budget* budget = (struct budget*) fe->dvb->priv;
+	u8 buf;
+	struct i2c_msg msg = { .addr = 0x08, .flags = I2C_M_RD, .buf = &buf, .len = sizeof(buf) };
+
+	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
+
+	if (arg) {
+		buf = buf | 0x10;
+	} else {
+		buf = buf & 0xef;
+	}
+
+	msg.flags = 0;
+	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
+
+	return 0;
+}
+
+static void lnbp21_init(struct budget* budget)
+{
+	u8 buf = 0x00;
+	struct i2c_msg msg = { .addr = 0x08, .flags = 0, .buf = &buf, .len = sizeof(buf) };
+
+	i2c_transfer (&budget->i2c_adap, &msg, 1);
+}
+
 static int alps_bsrv2_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
 {
 	struct budget* budget = (struct budget*) fe->dvb->priv;
@@ -395,6 +452,38 @@ static struct tda8083_config grundig_29504_451_config = {
 	.pll_set = grundig_29504_451_pll_set,
 };
 
+static int s5h1420_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u32* freqout)
+{
+	struct budget* budget = (struct budget*) fe->dvb->priv;
+	u32 div;
+	u8 data[4];
+	struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
+
+	div = params->frequency / 1000;
+	data[0] = (div >> 8) & 0x7f;
+	data[1] = div & 0xff;
+	data[2] = 0xc2;
+
+	if (div < 1450)
+		data[3] = 0x00;
+	else if (div < 1850)
+		data[3] = 0x40;
+	else if (div < 2000)
+		data[3] = 0x80;
+	else
+		data[3] = 0xc0;
+
+	if (i2c_transfer (&budget->i2c_adap, &msg, 1) != 1) return -EIO;
+
+	*freqout = div * 1000;
+	return 0;
+}
+
+static struct s5h1420_config s5h1420_config = {
+	.demod_address = 0x53,
+	.pll_set = s5h1420_pll_set,
+};
+
 static u8 read_pwm(struct budget* budget)
 {
 	u8 b = 0xff;
@@ -459,6 +548,15 @@ static void frontend_init(struct budget *budget)
 			break;
 		}
 		break;
+
+	case 0x1016: // Hauppauge/TT Nova-S SE (samsung s5h1420/????(tda8260))
+		budget->dvb_frontend = s5h1420_attach(&s5h1420_config, &budget->i2c_adap);
+		if (budget->dvb_frontend) {
+			budget->dvb_frontend->ops->set_voltage = lnbp21_set_voltage;
+			budget->dvb_frontend->ops->enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage;
+			lnbp21_init(budget);
+			break;
+		}
 	}
 
 	if (budget->dvb_frontend == NULL) {
@@ -532,6 +630,7 @@ static struct pci_device_id pci_tbl[] = {
 	MAKE_EXTENSION_PCI(ttbc,  0x13c2, 0x1004),
 	MAKE_EXTENSION_PCI(ttbt,  0x13c2, 0x1005),
 	MAKE_EXTENSION_PCI(satel, 0x13c2, 0x1013),
+	MAKE_EXTENSION_PCI(ttbs,  0x13c2, 0x1016),
 	MAKE_EXTENSION_PCI(fsacs1,0x1131, 0x4f60),
 	MAKE_EXTENSION_PCI(fsacs0,0x1131, 0x4f61),
 	{