merge: http://linuxtv.org/hg/~anttip/af9015/

From: Mauro Carvalho Chehab <mchehab@redhat.com>

Priority: normal

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

16 files changed, 3533 insertions, 16 deletions

diff --git a/linux/drivers/media/dvb/frontends/Kconfig b/linux/drivers/media/dvb/frontends/Kconfig
index 097d9f001..96b93e21a 100644
--- a/linux/drivers/media/dvb/frontends/Kconfig
+++ b/linux/drivers/media/dvb/frontends/Kconfig
@@ -43,6 +43,20 @@ config DVB_S5H1420
 	help
 	  A DVB-S tuner module. Say Y when you want to support this frontend.
 
+config DVB_STV0288
+	tristate "ST STV0288 based"
+	depends on DVB_CORE && I2C
+	default m if DVB_FE_CUSTOMISE
+	help
+	  A DVB-S tuner module. Say Y when you want to support this frontend.
+
+config DVB_STB6000
+	tristate "ST STB6000 silicon tuner"
+	depends on DVB_CORE && I2C
+	default m if DVB_FE_CUSTOMISE
+	  help
+	  A DVB-S silicon tuner module. Say Y when you want to support this tuner.
+
 config DVB_STV0299
 	tristate "ST STV0299 based"
 	depends on DVB_CORE && I2C
@@ -92,6 +106,20 @@ config DVB_TUA6100
 	help
 	  A DVB-S PLL chip.
 
+config DVB_CX24116
+	tristate "Conexant CX24116 based"
+	depends on DVB_CORE && I2C
+	default m if DVB_FE_CUSTOMISE
+	help
+	  A DVB-S/S2 tuner module. Say Y when you want to support this frontend.
+
+config DVB_SI21XX
+	tristate "Silicon Labs SI21XX based"
+	depends on DVB_CORE && I2C
+	default m if DVB_FE_CUSTOMISE
+	help
+	  A DVB-S tuner module. Say Y when you want to support this frontend.
+
 comment "DVB-T (terrestrial) frontends"
 	depends on DVB_CORE
 
diff --git a/linux/drivers/media/dvb/frontends/Makefile b/linux/drivers/media/dvb/frontends/Makefile
index 1b5478886..aba79f4a6 100644
--- a/linux/drivers/media/dvb/frontends/Makefile
+++ b/linux/drivers/media/dvb/frontends/Makefile
@@ -51,3 +51,7 @@ obj-$(CONFIG_DVB_S5H1411) += s5h1411.o
 obj-$(CONFIG_DVB_LGS8GL5) += lgs8gl5.o
 obj-$(CONFIG_DVB_DUMMY_FE) += dvb_dummy_fe.o
 obj-$(CONFIG_DVB_AF9013) += af9013.o
+obj-$(CONFIG_DVB_CX24116) += cx24116.o
+obj-$(CONFIG_DVB_SI21XX) += si21xx.o
+obj-$(CONFIG_DVB_STV0288) += stv0288.o
+obj-$(CONFIG_DVB_STB6000) += stb6000.o
diff --git a/linux/drivers/media/dvb/frontends/af9013.c b/linux/drivers/media/dvb/frontends/af9013.c
index fbb3e6d3e..21c1060cf 100644
--- a/linux/drivers/media/dvb/frontends/af9013.c
+++ b/linux/drivers/media/dvb/frontends/af9013.c
@@ -34,7 +34,7 @@
 #include "af9013_priv.h"
 #include "af9013.h"
 
-int debug;
+int af9013_debug;
 
 struct af9013_state {
 	struct i2c_adapter *i2c;
@@ -1677,7 +1677,7 @@ static struct dvb_frontend_ops af9013_ops = {
 	.read_ucblocks = af9013_read_ucblocks,
 };
 
-module_param(debug, int, 0644);
+module_param_named(debug, af9013_debug, int, 0644);
 MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
 
 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
diff --git a/linux/drivers/media/dvb/frontends/af9013_priv.h b/linux/drivers/media/dvb/frontends/af9013_priv.h
index b62e4cc9b..163e251d0 100644
--- a/linux/drivers/media/dvb/frontends/af9013_priv.h
+++ b/linux/drivers/media/dvb/frontends/af9013_priv.h
@@ -25,7 +25,7 @@
 #define _AF9013_PRIV_
 
 #define LOG_PREFIX "af9013"
-extern int debug;
+extern int af9013_debug;
 
 #define dprintk(var, level, args...) \
 	    do { if ((var & level)) printk(args); } while (0)
@@ -37,7 +37,7 @@ extern int debug;
 	func("\n");\
 }
 
-#define deb_info(args...) dprintk(debug, 0x01, args)
+#define deb_info(args...) dprintk(af9013_debug, 0x01, args)
 
 #undef err
 #define err(f, arg...)  printk(KERN_ERR     LOG_PREFIX": " f "\n" , ## arg)
diff --git a/linux/drivers/media/dvb/frontends/cx24116.c b/linux/drivers/media/dvb/frontends/cx24116.c
new file mode 100644
index 000000000..163190d54
--- /dev/null
+++ b/linux/drivers/media/dvb/frontends/cx24116.c
@@ -0,0 +1,1359 @@
+/*
+    Conexant cx24116/cx24118 - DVBS/S2 Satellite demod/tuner driver
+
+    Copyright (C) 2006-2008 Steven Toth <stoth@hauppauge.com>
+    Copyright (C) 2006-2007 Georg Acher
+    Copyright (C) 2007-2008 Darron Broad
+	March 2007
+	    Fixed some bugs.
+	    Added diseqc support.
+	    Added corrected signal strength support.
+	August 2007
+	    Sync with legacy version.
+	    Some clean ups.
+    Copyright (C) 2008 Igor Liplianin
+	September, 9th 2008
+	    Fixed locking on high symbol rates (>30000).
+	    Implement MPEG initialization parameter.
+
+    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.
+*/
+
+#include <linux/slab.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/firmware.h>
+
+#include "dvb_frontend.h"
+#include "cx24116.h"
+
+static int debug = 0;
+#define dprintk(args...) \
+	do { \
+		if (debug) printk ("cx24116: " args); \
+	} while (0)
+
+#define CX24116_DEFAULT_FIRMWARE "dvb-fe-cx24116.fw"
+#define CX24116_SEARCH_RANGE_KHZ 5000
+
+/* known registers */
+#define CX24116_REG_COMMAND (0x00)      /* command args 0x00..0x1e */
+#define CX24116_REG_EXECUTE (0x1f)      /* execute command */
+#define CX24116_REG_MAILBOX (0x96)      /* FW or multipurpose mailbox? */
+#define CX24116_REG_RESET   (0x20)      /* reset status > 0     */
+#define CX24116_REG_SIGNAL  (0x9e)      /* signal low           */
+#define CX24116_REG_SSTATUS (0x9d)      /* signal high / status */
+#define CX24116_REG_QSTATUS (0xbc)
+#define CX24116_REG_QUALITY (0xd5)
+#define CX24116_REG_BER0    (0xc9)
+#define CX24116_REG_BER8    (0xc8)
+#define CX24116_REG_BER16   (0xc7)
+#define CX24116_REG_BER24   (0xc6)
+#define CX24116_REG_UCB0    (0xcb)
+#define CX24116_REG_UCB8    (0xca)
+#define CX24116_REG_CLKDIV  (0xf3)
+#define CX24116_REG_RATEDIV (0xf9)
+#define CX24116_REG_FECSTATUS (0x9c)    /* configured fec (not tuned) or actual FEC (tuned) 1=1/2 2=2/3 etc */
+
+/* FECSTATUS bits */
+#define CX24116_FEC_FECMASK   (0x1f)    /* mask to determine configured fec (not tuned) or actual fec (tuned) */
+#define CX24116_FEC_DVBS      (0x20)    /* Select DVB-S demodulator, else DVB-S2 */
+#define CX24116_FEC_UNKNOWN   (0x40)    /* Unknown/unused */
+#define CX24116_FEC_PILOT     (0x80)    /* Pilot mode requested when tuning else always reset when tuned */
+
+/* arg buffer size */
+#define CX24116_ARGLEN (0x1e)
+
+/* rolloff */
+#define CX24116_ROLLOFF_020 (0x00)
+#define CX24116_ROLLOFF_025 (0x01)
+#define CX24116_ROLLOFF_035 (0x02)
+
+/* pilot bit */
+#define CX24116_PILOT (0x40)
+
+/* signal status */
+#define CX24116_HAS_SIGNAL   (0x01)
+#define CX24116_HAS_CARRIER  (0x02)
+#define CX24116_HAS_VITERBI  (0x04)
+#define CX24116_HAS_SYNCLOCK (0x08)
+#define CX24116_HAS_UNKNOWN1 (0x10)
+#define CX24116_HAS_UNKNOWN2 (0x20)
+#define CX24116_STATUS_MASK  (0x3f)
+#define CX24116_SIGNAL_MASK  (0xc0)
+
+#define CX24116_DISEQC_TONEOFF   (0)    /* toneburst never sent */
+#define CX24116_DISEQC_TONECACHE (1)    /* toneburst cached     */
+#define CX24116_DISEQC_MESGCACHE (2)    /* message cached       */
+
+/* arg offset for DiSEqC */
+#define CX24116_DISEQC_BURST  (1)
+#define CX24116_DISEQC_ARG2_2 (2)   /* unknown value=2 */
+#define CX24116_DISEQC_ARG3_0 (3)   /* unknown value=0 */
+#define CX24116_DISEQC_ARG4_0 (4)   /* unknown value=0 */
+#define CX24116_DISEQC_MSGLEN (5)
+#define CX24116_DISEQC_MSGOFS (6)
+
+/* DiSEqC burst */
+#define CX24116_DISEQC_MINI_A (0)
+#define CX24116_DISEQC_MINI_B (1)
+
+/* DiSEqC tone burst */
+static int toneburst = 1;
+
+enum cmds
+{
+	CMD_SET_VCO     = 0x10,
+	CMD_TUNEREQUEST = 0x11,
+	CMD_MPEGCONFIG  = 0x13,
+	CMD_TUNERINIT   = 0x14,
+	CMD_BANDWIDTH   = 0x15,
+	CMD_GETAGC      = 0x19,
+	CMD_LNBCONFIG   = 0x20,
+	CMD_LNBSEND     = 0x21, /* Formerly CMD_SEND_DISEQC */
+	CMD_SET_TONEPRE = 0x22,
+	CMD_SET_TONE    = 0x23,
+	CMD_UPDFWVERS   = 0x35,
+	CMD_TUNERSLEEP  = 0x36,
+	CMD_AGCCONTROL  = 0x3b, /* Unknown */
+};
+
+/* The Demod/Tuner can't easily provide these, we cache them */
+struct cx24116_tuning
+{
+	u32 frequency;
+	u32 symbol_rate;
+	fe_spectral_inversion_t inversion;
+	fe_code_rate_t fec;
+
+	fe_modulation_t modulation;
+	fe_pilot_t pilot;
+	fe_rolloff_t rolloff;
+
+	/* Demod values */
+	u8 fec_val;
+	u8 fec_mask;
+	u8 inversion_val;
+	u8 rolloff_val;
+};
+
+/* Basic commands that are sent to the firmware */
+struct cx24116_cmd
+{
+	u8 len;
+	u8 args[CX24116_ARGLEN];
+};
+
+struct cx24116_state
+{
+	struct i2c_adapter* i2c;
+	const struct cx24116_config* config;
+
+	struct dvb_frontend frontend;
+
+	struct cx24116_tuning dcur;
+	struct cx24116_tuning dnxt;
+
+	u8 skip_fw_load;
+	u8 burst;
+	struct cx24116_cmd dsec_cmd;
+};
+
+static int cx24116_writereg(struct cx24116_state* state, int reg, int data)
+{
+	u8 buf[] = { reg, data };
+	struct i2c_msg msg = { .addr = state->config->demod_address,
+		.flags = 0, .buf = buf, .len = 2 };
+	int err;
+
+	if (debug>1)
+		printk("cx24116: %s: write reg 0x%02x, value 0x%02x\n",
+						__func__,reg, data);
+
+	if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) {
+		printk("%s: writereg error(err == %i, reg == 0x%02x,"
+			 " value == 0x%02x)\n", __func__, err, reg, data);
+		return -EREMOTEIO;
+	}
+
+	return 0;
+}
+
+/* Bulk byte writes to a single I2C address, for 32k firmware load */
+static int cx24116_writeregN(struct cx24116_state* state, int reg, u8 *data, u16 len)
+{
+	int ret = -EREMOTEIO;
+	struct i2c_msg msg;
+	u8 *buf;
+
+	buf = kmalloc(len + 1, GFP_KERNEL);
+	if (buf == NULL) {
+		printk("Unable to kmalloc\n");
+		ret = -ENOMEM;
+		goto error;
+	}
+
+	*(buf) = reg;
+	memcpy(buf + 1, data, len);
+
+	msg.addr = state->config->demod_address;
+	msg.flags = 0;
+	msg.buf = buf;
+	msg.len = len + 1;
+
+	if (debug>1)
+		printk("cx24116: %s:  write regN 0x%02x, len = %d\n",
+						__func__,reg, len);
+
+	if ((ret = i2c_transfer(state->i2c, &msg, 1)) != 1) {
+		printk("%s: writereg error(err == %i, reg == 0x%02x\n",
+			 __func__, ret, reg);
+		ret = -EREMOTEIO;
+	}
+
+error:
+	kfree(buf);
+
+	return ret;
+}
+
+static int cx24116_readreg(struct cx24116_state* state, u8 reg)
+{
+	int ret;
+	u8 b0[] = { reg };
+	u8 b1[] = { 0 };
+	struct i2c_msg msg[] = {
+		{ .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 },
+		{ .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 }
+	};
+
+	ret = i2c_transfer(state->i2c, msg, 2);
+
+	if (ret != 2) {
+		printk("%s: reg=0x%x (error=%d)\n", __func__, reg, ret);
+		return ret;
+	}
+
+	if (debug>1)
+		printk("cx24116: read reg 0x%02x, value 0x%02x\n",reg, b1[0]);
+
+	return b1[0];
+}
+
+static int cx24116_set_inversion(struct cx24116_state* state, fe_spectral_inversion_t inversion)
+{
+	dprintk("%s(%d)\n", __func__, inversion);
+
+	switch (inversion) {
+	case INVERSION_OFF:
+		state->dnxt.inversion_val = 0x00;
+		break;
+	case INVERSION_ON:
+		state->dnxt.inversion_val = 0x04;
+		break;
+	case INVERSION_AUTO:
+		state->dnxt.inversion_val = 0x0C;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	state->dnxt.inversion = inversion;
+
+	return 0;
+}
+
+/*
+ * modfec (modulation and FEC)
+ * ===========================
+ *
+ * MOD          FEC             mask/val    standard
+ * ----         --------        ----------- --------
+ * QPSK         FEC_1_2         0x02 0x02+X DVB-S
+ * QPSK         FEC_2_3         0x04 0x02+X DVB-S
+ * QPSK         FEC_3_4         0x08 0x02+X DVB-S
+ * QPSK         FEC_4_5         0x10 0x02+X DVB-S (?)
+ * QPSK         FEC_5_6         0x20 0x02+X DVB-S
+ * QPSK         FEC_6_7         0x40 0x02+X DVB-S
+ * QPSK         FEC_7_8         0x80 0x02+X DVB-S
+ * QPSK         FEC_8_9         0x01 0x02+X DVB-S (?) (NOT SUPPORTED?)
+ * QPSK         AUTO            0xff 0x02+X DVB-S
+ *
+ * For DVB-S high byte probably represents FEC
+ * and low byte selects the modulator. The high
+ * byte is search range mask. Bit 5 may turn
+ * on DVB-S and remaining bits represent some
+ * kind of calibration (how/what i do not know).
+ *
+ * Eg.(2/3) szap "Zone Horror"
+ *
+ * mask/val = 0x04, 0x20
+ * status 1f | signal c3c0 | snr a333 | ber 00000098 | unc 00000000 | FE_HAS_LOCK
+ *
+ * mask/val = 0x04, 0x30
+ * status 1f | signal c3c0 | snr a333 | ber 00000000 | unc 00000000 | FE_HAS_LOCK
+ *
+ * After tuning FECSTATUS contains actual FEC
+ * in use numbered 1 through to 8 for 1/2 .. 2/3 etc
+ *
+ * NBC=NOT/NON BACKWARD COMPATIBLE WITH DVB-S (DVB-S2 only)
+ *
+ * NBC-QPSK     FEC_1_2         0x00, 0x04      DVB-S2
+ * NBC-QPSK     FEC_3_5         0x00, 0x05      DVB-S2
+ * NBC-QPSK     FEC_2_3         0x00, 0x06      DVB-S2
+ * NBC-QPSK     FEC_3_4         0x00, 0x07      DVB-S2
+ * NBC-QPSK     FEC_4_5         0x00, 0x08      DVB-S2
+ * NBC-QPSK     FEC_5_6         0x00, 0x09      DVB-S2
+ * NBC-QPSK     FEC_8_9         0x00, 0x0a      DVB-S2
+ * NBC-QPSK     FEC_9_10        0x00, 0x0b      DVB-S2
+ *
+ * NBC-8PSK     FEC_3_5         0x00, 0x0c      DVB-S2
+ * NBC-8PSK     FEC_2_3         0x00, 0x0d      DVB-S2
+ * NBC-8PSK     FEC_3_4         0x00, 0x0e      DVB-S2
+ * NBC-8PSK     FEC_5_6         0x00, 0x0f      DVB-S2
+ * NBC-8PSK     FEC_8_9         0x00, 0x10      DVB-S2
+ * NBC-8PSK     FEC_9_10        0x00, 0x11      DVB-S2
+ *
+ * For DVB-S2 low bytes selects both modulator
+ * and FEC. High byte is meaningless here. To
+ * set pilot, bit 6 (0x40) is set. When inspecting
+ * FECSTATUS bit 7 (0x80) represents the pilot
+ * selection whilst not tuned. When tuned, actual FEC
+ * in use is found in FECSTATUS as per above. Pilot
+ * value is reset.
+ */
+
+/* A table of modulation, fec and configuration bytes for the demod.
+ * Not all S2 mmodulation schemes are support and not all rates with
+ * a scheme are support. Especially, no auto detect when in S2 mode.
+ */
+struct cx24116_modfec {
+	fe_modulation_t modulation;
+	fe_code_rate_t fec;
+	u8 mask;	/* In DVBS mode this is used to autodetect */
+	u8 val;		/* Passed to the firmware to indicate mode selection */
+} CX24116_MODFEC_MODES[] = {
+ /* QPSK. For unknown rates we set hardware to auto detect 0xfe 0x30 */
+
+ /*mod   fec       mask  val */
+ { QPSK, FEC_NONE, 0xfe, 0x30 },
+ { QPSK, FEC_1_2,  0x02, 0x2e }, /* 00000010 00101110 */
+ { QPSK, FEC_2_3,  0x04, 0x2f }, /* 00000100 00101111 */
+ { QPSK, FEC_3_4,  0x08, 0x30 }, /* 00001000 00110000 */
+ { QPSK, FEC_4_5,  0xfe, 0x30 }, /* 000?0000 ?        */
+ { QPSK, FEC_5_6,  0x20, 0x31 }, /* 00100000 00110001 */
+ { QPSK, FEC_6_7,  0xfe, 0x30 }, /* 0?000000 ?        */
+ { QPSK, FEC_7_8,  0x80, 0x32 }, /* 10000000 00110010 */
+ { QPSK, FEC_8_9,  0xfe, 0x30 }, /* 0000000? ?        */
+ { QPSK, FEC_AUTO, 0xfe, 0x30 },
+ /* NBC-QPSK */
+ { NBC_QPSK, FEC_1_2,  0x00, 0x04 },
+ { NBC_QPSK, FEC_3_5,  0x00, 0x05 },
+ { NBC_QPSK, FEC_2_3,  0x00, 0x06 },
+ { NBC_QPSK, FEC_3_4,  0x00, 0x07 },
+ { NBC_QPSK, FEC_4_5,  0x00, 0x08 },
+ { NBC_QPSK, FEC_5_6,  0x00, 0x09 },
+ { NBC_QPSK, FEC_8_9,  0x00, 0x0a },
+ { NBC_QPSK, FEC_9_10, 0x00, 0x0b },
+ /* 8PSK */
+ { _8PSK, FEC_3_5,  0x00, 0x0c },
+ { _8PSK, FEC_2_3,  0x00, 0x0d },
+ { _8PSK, FEC_3_4,  0x00, 0x0e },
+ { _8PSK, FEC_5_6,  0x00, 0x0f },
+ { _8PSK, FEC_8_9,  0x00, 0x10 },
+ { _8PSK, FEC_9_10, 0x00, 0x11 },
+ /*
+  * `val' can be found in the FECSTATUS register when tuning.
+  * FECSTATUS will give the actual FEC in use if tuning was successful.
+  */
+};
+
+static int cx24116_lookup_fecmod(struct cx24116_state* state,
+	fe_modulation_t m, fe_code_rate_t f)
+{
+	int i, ret = -EOPNOTSUPP;
+
+	dprintk("%s(0x%02x,0x%02x)\n", __func__, m, f);
+
+	for(i=0 ; i < sizeof(CX24116_MODFEC_MODES) / sizeof(struct cx24116_modfec) ; i++)
+	{
+		if( (m == CX24116_MODFEC_MODES[i].modulation) &&
+			(f == CX24116_MODFEC_MODES[i].fec) )
+			{
+				ret = i;
+				break;
+			}
+	}
+
+	return ret;
+}
+
+static int cx24116_set_fec(struct cx24116_state* state, fe_modulation_t mod, fe_code_rate_t fec)
+{
+	int ret = 0;
+
+	dprintk("%s(0x%02x,0x%02x)\n", __func__, mod, fec);
+
+	ret = cx24116_lookup_fecmod(state, mod, fec);
+
+	if(ret < 0)
+		return ret;
+
+	state->dnxt.fec = fec;
+	state->dnxt.fec_val = CX24116_MODFEC_MODES[ret].val;
+	state->dnxt.fec_mask = CX24116_MODFEC_MODES[ret].mask;
+	dprintk("%s() mask/val = 0x%02x/0x%02x\n", __func__,
+		state->dnxt.fec_mask, state->dnxt.fec_val);
+
+	return 0;
+}
+
+static int cx24116_set_symbolrate(struct cx24116_state* state, u32 rate)
+{
+	dprintk("%s(%d)\n", __func__, rate);
+
+	/*  check if symbol rate is within limits */
+	if ((rate > state->frontend.ops.info.symbol_rate_max) ||
+	    (rate < state->frontend.ops.info.symbol_rate_min)) {
+		dprintk("%s() unsupported symbol_rate = %d\n", __func__, rate);
+		return -EOPNOTSUPP;
+	}
+
+	state->dnxt.symbol_rate = rate;
+	dprintk("%s() symbol_rate = %d\n", __func__, rate);
+
+	return 0;
+}
+
+static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware *fw);
+
+static int cx24116_firmware_ondemand(struct dvb_frontend* fe)
+{
+	struct cx24116_state *state = fe->demodulator_priv;
+	const struct firmware *fw;
+	int ret = 0;
+
+	dprintk("%s()\n",__func__);
+
+	if (cx24116_readreg(state, 0x20) > 0)
+	{
+
+		if (state->skip_fw_load)
+			return 0;
+
+		/* Load firmware */
+		/* request the firmware, this will block until someone uploads it */
+		printk("%s: Waiting for firmware upload (%s)...\n", __func__, CX24116_DEFAULT_FIRMWARE);
+		ret = request_firmware(&fw, CX24116_DEFAULT_FIRMWARE, &state->i2c->dev);
+		printk("%s: Waiting for firmware upload(2)...\n", __func__);
+		if (ret) {
+			printk("%s: No firmware uploaded (timeout or file not found?)\n", __func__);
+			return ret;
+		}
+
+		/* Make sure we don't recurse back through here during loading */
+		state->skip_fw_load = 1;
+
+		ret = cx24116_load_firmware(fe, fw);
+		if (ret)
+			printk("%s: Writing firmware to device failed\n", __func__);
+
+		release_firmware(fw);
+
+		printk("%s: Firmware upload %s\n", __func__, ret == 0 ? "complete" : "failed");
+
+		/* Ensure firmware is always loaded if required */
+		state->skip_fw_load = 0;
+	}
+
+	return ret;
+}
+
+/* Take a basic firmware command structure, format it and forward it for processing */
+static int cx24116_cmd_execute(struct dvb_frontend* fe, struct cx24116_cmd *cmd)
+{
+	struct cx24116_state *state = fe->demodulator_priv;
+	int i, ret;
+
+	dprintk("%s()\n", __func__);
+
+	/* Load the firmware if required */
+	if ( (ret = cx24116_firmware_ondemand(fe)) != 0)
+	{
+		printk("%s(): Unable initialise the firmware\n", __func__);
+		return ret;
+	}
+
+	/* Write the command */
+	for(i = 0; i < cmd->len ; i++)
+	{
+		dprintk("%s: 0x%02x == 0x%02x\n", __func__, i, cmd->args[i]);
+		cx24116_writereg(state, i, cmd->args[i]);
+	}
+
+	/* Start execution and wait for cmd to terminate */
+	cx24116_writereg(state, CX24116_REG_EXECUTE, 0x01);
+	while( cx24116_readreg(state, CX24116_REG_EXECUTE) )
+	{
+		msleep(10);
+		if(i++ > 64)
+		{
+			/* Avoid looping forever if the firmware does no respond */
+			printk("%s() Firmware not responding\n", __func__);
+			return -EREMOTEIO;
+		}
+	}
+	return 0;
+}
+
+static int cx24116_load_firmware (struct dvb_frontend* fe, const struct firmware *fw)
+{
+	struct cx24116_state* state = fe->demodulator_priv;
+	struct cx24116_cmd cmd;
+	int i, ret;
+	unsigned char vers[4];
+
+	dprintk("%s\n", __func__);
+	dprintk("Firmware is %zu bytes (%02x %02x .. %02x %02x)\n"
+			,fw->size
+			,fw->data[0]
+			,fw->data[1]
+			,fw->data[ fw->size-2 ]
+			,fw->data[ fw->size-1 ]
+			);
+
+	/* Toggle 88x SRST pin to reset demod */
+	if (state->config->reset_device)
+		state->config->reset_device(fe);
+
+	/* Begin the firmware load process */
+	/* Prepare the demod, load the firmware, cleanup after load */
+
+	/* Init PLL */
+	cx24116_writereg(state, 0xE5, 0x00);
+	cx24116_writereg(state, 0xF1, 0x08);
+	cx24116_writereg(state, 0xF2, 0x13);
+
+	/* Start PLL */
+	cx24116_writereg(state, 0xe0, 0x03);
+	cx24116_writereg(state, 0xe0, 0x00);
+
+	/* Unknown */
+	cx24116_writereg(state, CX24116_REG_CLKDIV, 0x46);
+	cx24116_writereg(state, CX24116_REG_RATEDIV, 0x00);
+
+	/* Unknown */
+	cx24116_writereg(state, 0xF0, 0x03);
+	cx24116_writereg(state, 0xF4, 0x81);
+	cx24116_writereg(state, 0xF5, 0x00);
+	cx24116_writereg(state, 0xF6, 0x00);
+
+	/* write the entire firmware as one transaction */
+	cx24116_writeregN(state, 0xF7, fw->data, fw->size);
+
+	cx24116_writereg(state, 0xF4, 0x10);
+	cx24116_writereg(state, 0xF0, 0x00);
+	cx24116_writereg(state, 0xF8, 0x06);
+
+	/* Firmware CMD 10: VCO config */
+	cmd.args[0x00] = CMD_SET_VCO;
+	cmd.args[0x01] = 0x05;
+	cmd.args[0x02] = 0xdc;
+	cmd.args[0x03] = 0xda;
+	cmd.args[0x04] = 0xae;
+	cmd.args[0x05] = 0xaa;
+	cmd.args[0x06] = 0x04;
+	cmd.args[0x07] = 0x9d;
+	cmd.args[0x08] = 0xfc;
+	cmd.args[0x09] = 0x06;
+	cmd.len= 0x0a;
+	ret = cx24116_cmd_execute(fe, &cmd);
+	if (ret != 0)
+		return ret;
+
+	cx24116_writereg(state, CX24116_REG_SSTATUS, 0x00);
+
+	/* Firmware CMD 14: Tuner config */
+	cmd.args[0x00] = CMD_TUNERINIT;
+	cmd.args[0x01] = 0x00;
+	cmd.args[0x02] = 0x00;
+	cmd.len= 0x03;
+	ret = cx24116_cmd_execute(fe, &cmd);
+	if (ret != 0)
+		return ret;
+
+	cx24116_writereg(state, 0xe5, 0x00);
+
+	/* Firmware CMD 13: MPEG config */
+	cmd.args[0x00] = CMD_MPEGCONFIG;
+	cmd.args[0x01] = 0x01;
+	cmd.args[0x02] = 0x75;
+	cmd.args[0x03] = 0x00;
+	if (state->config->mpg_clk_pos_pol)
+		cmd.args[0x04] = state->config->mpg_clk_pos_pol;
+	else
+		cmd.args[0x04] = 0x02;
+	cmd.args[0x05] = 0x00;
+	cmd.len= 0x06;
+	ret = cx24116_cmd_execute(fe, &cmd);
+	if (ret != 0)
+		return ret;
+
+	/* Firmware CMD 35: Get firmware version */
+	cmd.args[0x00] = CMD_UPDFWVERS;
+	cmd.len= 0x02;
+	for(i=0; i<4; i++) {
+		cmd.args[0x01] = i;
+		ret = cx24116_cmd_execute(fe, &cmd);
+		if (ret != 0)
+			return ret;
+		vers[i]= cx24116_readreg(state, CX24116_REG_MAILBOX);
+	}
+	printk("%s: FW version %i.%i.%i.%i\n", __func__,
+		vers[0], vers[1], vers[2], vers[3]);
+
+	return 0;
+}
+
+static int cx24116_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage)
+{
+	/* The isl6421 module will override this function in the fops. */
+	dprintk("%s() This should never appear if the isl6421 module is loaded correctly\n",__func__);
+
+	return -EOPNOTSUPP;
+}
+
+static int cx24116_read_status(struct dvb_frontend* fe, fe_status_t* status)
+{
+	struct cx24116_state *state = fe->demodulator_priv;
+
+	int lock = cx24116_readreg(state, CX24116_REG_SSTATUS);
+
+	dprintk("%s: status = 0x%02x\n", __func__, lock);
+
+	*status = 0;
+
+	if (lock & CX24116_HAS_SIGNAL)
+		*status |= FE_HAS_SIGNAL;
+	if (lock & CX24116_HAS_CARRIER)
+		*status |= FE_HAS_CARRIER;
+	if (lock & CX24116_HAS_VITERBI)
+		*status |= FE_HAS_VITERBI;
+	if (lock & CX24116_HAS_SYNCLOCK)
+		*status |= FE_HAS_SYNC | FE_HAS_LOCK;
+
+	return 0;
+}
+
+static int cx24116_read_ber(struct dvb_frontend* fe, u32* ber)
+{
+	struct cx24116_state *state = fe->demodulator_priv;
+
+	dprintk("%s()\n", __func__);
+
+	*ber =  ( cx24116_readreg(state, CX24116_REG_BER24) << 24 ) |
+		( cx24116_readreg(state, CX24116_REG_BER16) << 16 ) |
+		( cx24116_readreg(state, CX24116_REG_BER8 ) << 8  ) |
+		  cx24116_readreg(state, CX24116_REG_BER0 );
+
+	return 0;
+}
+
+/* TODO Determine function and scale appropriately */
+static int cx24116_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength)
+{
+	struct cx24116_state *state = fe->demodulator_priv;
+	struct cx24116_cmd cmd;
+	int ret;
+	u16 sig_reading;
+
+	dprintk("%s()\n", __func__);
+
+	/* Firmware CMD 19: Get AGC */
+	cmd.args[0x00] = CMD_GETAGC;
+	cmd.len= 0x01;
+	ret = cx24116_cmd_execute(fe, &cmd);
+	if (ret != 0)
+		return ret;
+
+	sig_reading = ( cx24116_readreg(state, CX24116_REG_SSTATUS) & CX24116_SIGNAL_MASK ) |
+		( cx24116_readreg(state, CX24116_REG_SIGNAL) << 6 );
+	*signal_strength= 0 - sig_reading;
+
+	dprintk("%s: raw / cooked = 0x%04x / 0x%04x\n", __func__, sig_reading, *signal_strength);
+
+	return 0;
+}
+
+/* SNR (0..100)% = (sig & 0xf0) * 10 + (sig & 0x0f) * 10 / 16 */
+static int cx24116_read_snr(struct dvb_frontend* fe, u16* snr)
+{
+	struct cx24116_state *state = fe->demodulator_priv;
+	u8 snr_reading;
+	static const u32 snr_tab[] = { /* 10 x Table (rounded up) */
+		0x00000,0x0199A,0x03333,0x04ccD,0x06667,
+			0x08000,0x0999A,0x0b333,0x0cccD,0x0e667,
+		0x10000,0x1199A,0x13333,0x14ccD,0x16667,0x18000 };
+
+	dprintk("%s()\n", __func__);
+
+	snr_reading = cx24116_readreg(state, CX24116_REG_QUALITY);
+
+	if(snr_reading >= 0xa0 /* 100% */)
+		*snr = 0xffff;
+	else
+		*snr = snr_tab [ ( snr_reading & 0xf0 )   >> 4 ] +
+			( snr_tab [ ( snr_reading & 0x0f ) ] >> 4 );
+
+	dprintk("%s: raw / cooked = 0x%02x / 0x%04x\n", __func__,
+		snr_reading, *snr);
+
+	return 0;
+}
+
+static int cx24116_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
+{
+	struct cx24116_state *state = fe->demodulator_priv;
+
+	dprintk("%s()\n", __func__);
+
+	*ucblocks = ( cx24116_readreg(state, CX24116_REG_UCB8) << 8 ) |
+		cx24116_readreg(state, CX24116_REG_UCB0);
+
+	return 0;
+}
+
+/* Overwrite the current tuning params, we are about to tune */
+static void cx24116_clone_params(struct dvb_frontend* fe)
+{
+	struct cx24116_state *state = fe->demodulator_priv;
+	memcpy(&state->dcur, &state->dnxt, sizeof(state->dcur));
+}
+
+/* Wait for LNB */
+static int cx24116_wait_for_lnb(struct dvb_frontend* fe)
+{
+	struct cx24116_state *state = fe->demodulator_priv;
+	int i;
+
+	dprintk("%s() qstatus = 0x%02x\n", __func__,
+		cx24116_readreg(state, CX24116_REG_QSTATUS));
+
+	/* Wait for up to 300 ms */
+	for(i = 0; i < 30 ; i++) {
+		if (cx24116_readreg(state, CX24116_REG_QSTATUS) & 0x20)
+			return 0;
+		msleep(10);
+	}
+
+	dprintk("%s(): LNB not ready\n", __func__);
+
+	return -ETIMEDOUT; /* -EBUSY ? */
+}
+
+static int cx24116_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
+{
+	struct cx24116_cmd cmd;
+	int ret;
+
+	dprintk("%s(%d)\n", __func__, tone);
+	if ( (tone != SEC_TONE_ON) && (tone != SEC_TONE_OFF) ) {
+		printk("%s: Invalid, tone=%d\n", __func__, tone);
+		return -EINVAL;
+	}
+
+	/* Wait for LNB ready */
+	ret = cx24116_wait_for_lnb(fe);
+	if(ret != 0)
+		return ret;
+
+	/* Min delay time after DiSEqC send */
+	msleep(15); /* XXX determine is FW does this, see send_diseqc/burst */
+
+	/* This is always done before the tone is set */
+	cmd.args[0x00] = CMD_SET_TONEPRE;
+	cmd.args[0x01] = 0x00;
+	cmd.len= 0x02;
+	ret = cx24116_cmd_execute(fe, &cmd);
+	if (ret != 0)
+		return ret;
+
+	/* Now we set the tone */
+	cmd.args[0x00] = CMD_SET_TONE;
+	cmd.args[0x01] = 0x00;
+	cmd.args[0x02] = 0x00;
+
+	switch (tone) {
+	case SEC_TONE_ON:
+		dprintk("%s: setting tone on\n", __func__);
+		cmd.args[0x03] = 0x01;
+		break;
+	case SEC_TONE_OFF:
+		dprintk("%s: setting tone off\n",__func__);
+		cmd.args[0x03] = 0x00;
+		break;
+	}
+	cmd.len= 0x04;
+
+	/* Min delay time before DiSEqC send */
+	msleep(15); /* XXX determine is FW does this, see send_diseqc/burst */
+
+	return cx24116_cmd_execute(fe, &cmd);
+}
+
+/* Initialise DiSEqC */
+static int cx24116_diseqc_init(struct dvb_frontend* fe)
+{
+	struct cx24116_state *state = fe->demodulator_priv;
+	struct cx24116_cmd cmd;
+	int ret;
+
+	/* Firmware CMD 20: LNB/DiSEqC config */
+	cmd.args[0x00] = CMD_LNBCONFIG;
+	cmd.args[0x01] = 0x00;
+	cmd.args[0x02] = 0x10;
+	cmd.args[0x03] = 0x00;
+	cmd.args[0x04] = 0x8f;
+	cmd.args[0x05] = 0x28;
+	cmd.args[0x06] = (toneburst == CX24116_DISEQC_TONEOFF) ? 0x00 : 0x01;
+	cmd.args[0x07] = 0x01;
+	cmd.len= 0x08;
+	ret = cx24116_cmd_execute(fe, &cmd);
+	if (ret != 0)
+		return ret;
+
+	/* Prepare a DiSEqC command */
+	state->dsec_cmd.args[0x00] = CMD_LNBSEND;
+
+	/* DiSEqC burst */
+	state->dsec_cmd.args[CX24116_DISEQC_BURST]  = CX24116_DISEQC_MINI_A;
+
+	/* Unknown */
+	state->dsec_cmd.args[CX24116_DISEQC_ARG2_2] = 0x02;
+	state->dsec_cmd.args[CX24116_DISEQC_ARG3_0] = 0x00;
+	state->dsec_cmd.args[CX24116_DISEQC_ARG4_0] = 0x00; /* Continuation flag? */
+
+	/* DiSEqC message length */
+	state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = 0x00;
+
+	/* Command length */
+	state->dsec_cmd.len= CX24116_DISEQC_MSGOFS;
+
+	return 0;
+}
+
+/* Send DiSEqC message with derived burst (hack) || previous burst */
+static int cx24116_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *d)
+{
+	struct cx24116_state *state = fe->demodulator_priv;
+	int i, ret;
+
+	/* Dump DiSEqC message */
+	if (debug) {
+		printk("cx24116: %s(", __func__);
+		for(i = 0 ; i < d->msg_len ;) {
+			printk("0x%02x", d->msg[i]);
+			if(++i < d->msg_len)
+				printk(", ");
+			}
+		printk(") toneburst=%d\n", toneburst);
+	}
+
+	/* Validate length */
+	if(d->msg_len > (CX24116_ARGLEN - CX24116_DISEQC_MSGOFS))
+		return -EINVAL;
+
+	/* DiSEqC message */
+	for (i = 0; i < d->msg_len; i++)
+		state->dsec_cmd.args[CX24116_DISEQC_MSGOFS + i] = d->msg[i];
+
+	/* DiSEqC message length */
+	state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] = d->msg_len;
+
+	/* Command length */
+	state->dsec_cmd.len= CX24116_DISEQC_MSGOFS + state->dsec_cmd.args[CX24116_DISEQC_MSGLEN];
+
+	/* DiSEqC toneburst */
+	if(toneburst == CX24116_DISEQC_MESGCACHE)
+		/* Message is cached */
+		return 0;
+
+	else if(toneburst == CX24116_DISEQC_TONEOFF)
+		/* Message is sent without burst */
+		state->dsec_cmd.args[CX24116_DISEQC_BURST] = 0;
+
+	else if(toneburst == CX24116_DISEQC_TONECACHE) {
+		/*
+		 * Message is sent with derived else cached burst
+		 *
+		 * WRITE PORT GROUP COMMAND 38
+		 *
+		 * 0/A/A: E0 10 38 F0..F3
+		 * 1/B/B: E0 10 38 F4..F7
+		 * 2/C/A: E0 10 38 F8..FB
+		 * 3/D/B: E0 10 38 FC..FF
+		 *
+		 * databyte[3]= 8421:8421
+		 *              ABCD:WXYZ
+		 *              CLR :SET
+		 *
+		 *              WX= PORT SELECT 0..3    (X=TONEBURST)
+		 *              Y = VOLTAGE             (0=13V, 1=18V)
+		 *              Z = BAND                (0=LOW, 1=HIGH(22K))
+		 */
+		if(d->msg_len >= 4 && d->msg[2] == 0x38)
+			state->dsec_cmd.args[CX24116_DISEQC_BURST] = ((d->msg[3] & 4) >> 2);
+		if(debug)
+			dprintk("%s burst=%d\n", __func__, state->dsec_cmd.args[CX24116_DISEQC_BURST]);
+	}
+
+	/* Wait for LNB ready */
+	ret = cx24116_wait_for_lnb(fe);
+	if(ret != 0)
+		return ret;
+
+	/* Wait for voltage/min repeat delay */
+	msleep(100);
+
+	/* Command */
+	ret = cx24116_cmd_execute(fe, &state->dsec_cmd);
+	if(ret != 0)
+		return ret;
+	/*
+	 * Wait for send
+	 *
+	 * Eutelsat spec:
+	 * >15ms delay          + (XXX determine if FW does this, see set_tone)
+	 *  13.5ms per byte     +
+	 * >15ms delay          +
+	 *  12.5ms burst        +
+	 * >15ms delay            (XXX determine if FW does this, see set_tone)
+	 */
+	msleep( (state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + ((toneburst == CX24116_DISEQC_TONEOFF) ? 30 : 60) );
+
+	return 0;
+}
+
+/* Send DiSEqC burst */
+static int cx24116_diseqc_send_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t burst)
+{
+	struct cx24116_state *state = fe->demodulator_priv;
+	int ret;
+
+	dprintk("%s(%d) toneburst=%d\n",__func__, burst, toneburst);
+
+	/* DiSEqC burst */
+	if (burst == SEC_MINI_A)
+		state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_A;
+	else if(burst == SEC_MINI_B)
+		state->dsec_cmd.args[CX24116_DISEQC_BURST] = CX24116_DISEQC_MINI_B;
+	else
+		return -EINVAL;
+
+	/* DiSEqC toneburst */
+	if(toneburst != CX24116_DISEQC_MESGCACHE)
+		/* Burst is cached */
+		return 0;
+
+	/* Burst is to be sent with cached message */
+
+	/* Wait for LNB ready */
+	ret = cx24116_wait_for_lnb(fe);
+	if(ret != 0)
+		return ret;
+
+	/* Wait for voltage/min repeat delay */
+	msleep(100);
+
+	/* Command */
+	ret = cx24116_cmd_execute(fe, &state->dsec_cmd);
+	if(ret != 0)
+		return ret;
+
+	/*
+	 * Wait for send
+	 *
+	 * Eutelsat spec:
+	 * >15ms delay          + (XXX determine if FW does this, see set_tone)
+	 *  13.5ms per byte     +
+	 * >15ms delay          +
+	 *  12.5ms burst        +
+	 * >15ms delay            (XXX determine if FW does this, see set_tone)
+	 */
+	msleep( (state->dsec_cmd.args[CX24116_DISEQC_MSGLEN] << 4) + 60 );
+
+	return 0;
+}
+
+static void cx24116_release(struct dvb_frontend* fe)
+{
+	struct cx24116_state* state = fe->demodulator_priv;
+	dprintk("%s\n",__func__);
+	kfree(state);
+}
+
+static struct dvb_frontend_ops cx24116_ops;
+
+struct dvb_frontend* cx24116_attach(const struct cx24116_config* config,
+				    struct i2c_adapter* i2c)
+{
+	struct cx24116_state* state = NULL;
+	int ret;
+
+	dprintk("%s\n",__func__);
+
+	/* allocate memory for the internal state */
+	state = kmalloc(sizeof(struct cx24116_state), GFP_KERNEL);
+	if (state == NULL) {
+		printk("Unable to kmalloc\n");
+		goto error1;
+	}
+
+	/* setup the state */
+	memset(state, 0, sizeof(struct cx24116_state));
+
+	state->config = config;
+	state->i2c = i2c;
+
+	/* check if the demod is present */
+	ret = (cx24116_readreg(state, 0xFF) << 8) | cx24116_readreg(state, 0xFE);
+	if (ret != 0x0501) {
+		printk("Invalid probe, probably not a CX24116 device\n");
+		goto error2;
+	}
+
+	/* create dvb_frontend */
+	memcpy(&state->frontend.ops, &cx24116_ops, sizeof(struct dvb_frontend_ops));
+	state->frontend.demodulator_priv = state;
+	return &state->frontend;
+
+error2: kfree(state);
+error1: return NULL;
+}
+#if 0
+static int cx24116_get_params(struct dvb_frontend* fe)
+{
+	struct cx24116_state *state = fe->demodulator_priv;
+	struct dtv_frontend_properties *cache = &fe->dtv_property_cache;
+
+	dprintk("%s()\n",__func__);
+
+	cache->frequency = state->dcur.frequency;
+	cache->inversion = state->dcur.inversion;
+	cache->modulation = state->dcur.modulation;
+	cache->fec_inner = state->dcur.fec;
+	cache->symbol_rate = state->dcur.symbol_rate;
+
+	return 0;
+}
+#endif
+/*
+ * Initialise or wake up device
+ *
+ * Power config will reset and load initial firmware if required
+ */
+static int cx24116_initfe(struct dvb_frontend* fe)
+{
+	struct cx24116_state* state = fe->demodulator_priv;
+	struct cx24116_cmd cmd;
+	int ret;
+
+	dprintk("%s()\n",__func__);
+
+	/* Power on */
+	cx24116_writereg(state, 0xe0, 0);
+	cx24116_writereg(state, 0xe1, 0);
+	cx24116_writereg(state, 0xea, 0);
+
+	/* Firmware CMD 36: Power config */
+	cmd.args[0x00] = CMD_TUNERSLEEP;
+	cmd.args[0x01] = 0;
+	cmd.len= 0x02;
+	ret = cx24116_cmd_execute(fe, &cmd);
+	if(ret != 0)
+		return ret;
+
+	return cx24116_diseqc_init(fe);
+}
+
+/*
+ * Put device to sleep
+ */
+static int cx24116_sleep(struct dvb_frontend* fe)
+{
+	struct cx24116_state* state = fe->demodulator_priv;
+	struct cx24116_cmd cmd;
+	int ret;
+
+	dprintk("%s()\n",__func__);
+
+	/* Firmware CMD 36: Power config */
+	cmd.args[0x00] = CMD_TUNERSLEEP;
+	cmd.args[0x01] = 1;
+	cmd.len= 0x02;
+	ret = cx24116_cmd_execute(fe, &cmd);
+	if(ret != 0)
+		return ret;
+
+	/* Power off (Shutdown clocks) */
+	cx24116_writereg(state, 0xea, 0xff);
+	cx24116_writereg(state, 0xe1, 1);
+	cx24116_writereg(state, 0xe0, 1);
+
+	return 0;
+}
+
+static int cx24116_set_property(struct dvb_frontend *fe, struct dtv_property* tvp)
+{
+	dprintk("%s(..)\n", __func__);
+	return 0;
+}
+
+static int cx24116_get_property(struct dvb_frontend *fe, struct dtv_property* tvp)
+{
+	dprintk("%s(..)\n", __func__);
+	return 0;
+}
+
+/* dvb-core told us to tune, the tv property cache will be complete,
+ * it's safe for is to pull values and use them for tuning purposes.
+ */
+static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
+{
+	struct cx24116_state *state = fe->demodulator_priv;
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+	struct cx24116_cmd cmd;
+	fe_status_t tunerstat;
+	int i, status, ret, retune = 1;
+
+	dprintk("%s()\n",__func__);
+
+	state->dnxt.modulation = c->modulation;
+	state->dnxt.frequency = c->frequency;
+
+	switch(c->delivery_system) {
+		case SYS_DVBS:
+			dprintk("%s: DVB-S delivery system selected\n",__func__);
+			state->dnxt.pilot = PILOT_OFF;
+			state->dnxt.rolloff_val = CX24116_ROLLOFF_035;
+			state->dnxt.rolloff = c->rolloff;
+			break;
+		case SYS_DVBS2:
+			dprintk("%s: DVB-S2 delivery system selected\n",__func__);
+			if(c->pilot == PILOT_AUTO)
+				retune++;
+			state->dnxt.pilot = c->pilot;
+			switch(c->rolloff) {
+				case ROLLOFF_20:
+					state->dnxt.rolloff_val= CX24116_ROLLOFF_020;
+					break;
+				case ROLLOFF_25:
+					state->dnxt.rolloff_val= CX24116_ROLLOFF_025;
+					break;
+				case ROLLOFF_35:
+					state->dnxt.rolloff_val= CX24116_ROLLOFF_035;
+					break;
+				case ROLLOFF_AUTO:
+					return -EOPNOTSUPP;
+			}
+			state->dnxt.rolloff = c->rolloff;
+			break;
+		default:
+			dprintk("%s: unsupported delivery system selected (%d)\n",
+				__func__, c->delivery_system);
+			return -EOPNOTSUPP;
+	}
+
+	if ((ret = cx24116_set_inversion(state, c->inversion)) !=  0)
+		return ret;
+
+	if ((ret = cx24116_set_fec(state, c->modulation, c->fec_inner)) !=  0)
+		return ret;
+
+	if ((ret = cx24116_set_symbolrate(state, c->symbol_rate)) !=  0)
+		return ret;
+
+	/* discard the 'current' tuning parameters and prepare to tune */
+	cx24116_clone_params(fe);
+
+	dprintk("%s:   retune      = %d\n", __func__, retune);
+	dprintk("%s:   rolloff     = %d\n", __func__, state->dcur.rolloff);
+	dprintk("%s:   pilot       = %d\n", __func__, state->dcur.pilot);
+	dprintk("%s:   frequency   = %d\n", __func__, state->dcur.frequency);
+	dprintk("%s:   symbol_rate = %d\n", __func__, state->dcur.symbol_rate);
+	dprintk("%s:   FEC         = %d (mask/val = 0x%02x/0x%02x)\n", __func__,
+		state->dcur.fec, state->dcur.fec_mask, state->dcur.fec_val);
+	dprintk("%s:   Inversion   = %d (val = 0x%02x)\n", __func__,
+		state->dcur.inversion, state->dcur.inversion_val);
+
+	/* This is also done in advise/acquire on HVR4000 but not on LITE */
+	if (state->config->set_ts_params)
+		state->config->set_ts_params(fe, 0);
+
+	/* Set/Reset B/W */
+	cmd.args[0x00] = CMD_BANDWIDTH;
+	cmd.args[0x01] = 0x01;
+	cmd.len= 0x02;
+	ret = cx24116_cmd_execute(fe, &cmd);
+	if (ret != 0)
+		return ret;
+
+	/* Prepare a tune request */
+	cmd.args[0x00] = CMD_TUNEREQUEST;
+
+	/* Frequency */
+	cmd.args[0x01] = (state->dcur.frequency & 0xff0000) >> 16;
+	cmd.args[0x02] = (state->dcur.frequency & 0x00ff00) >> 8;
+	cmd.args[0x03] = (state->dcur.frequency & 0x0000ff);
+
+	/* Symbol Rate */
+	cmd.args[0x04] = ((state->dcur.symbol_rate / 1000) & 0xff00) >> 8;
+	cmd.args[0x05] = ((state->dcur.symbol_rate / 1000) & 0x00ff);
+
+	/* Automatic Inversion */
+	cmd.args[0x06] = state->dcur.inversion_val;
+
+	/* Modulation / FEC & Pilot Off */
+	cmd.args[0x07] = state->dcur.fec_val;
+
+	if (state->dcur.pilot == PILOT_ON)
+		cmd.args[0x07] |= CX24116_PILOT;
+
+	cmd.args[0x08] = CX24116_SEARCH_RANGE_KHZ >> 8;
+	cmd.args[0x09] = CX24116_SEARCH_RANGE_KHZ & 0xff;
+	cmd.args[0x0a] = 0x00;
+	cmd.args[0x0b] = 0x00;
+	cmd.args[0x0c] = state->dcur.rolloff_val;
+	cmd.args[0x0d] = state->dcur.fec_mask;
+
+	if (state->dcur.symbol_rate > 30000000) {
+		cmd.args[0x0e] = 0x04;
+		cmd.args[0x0f] = 0x00;
+		cmd.args[0x10] = 0x01;
+		cmd.args[0x11] = 0x77;
+		cmd.args[0x12] = 0x36;
+		cx24116_writereg(state, CX24116_REG_CLKDIV, 0x44);
+		cx24116_writereg(state, CX24116_REG_RATEDIV, 0x01);
+	} else {
+		cmd.args[0x0e] = 0x06;
+		cmd.args[0x0f] = 0x00;
+		cmd.args[0x10] = 0x00;
+		cmd.args[0x11] = 0xFA;
+		cmd.args[0x12] = 0x24;
+		cx24116_writereg(state, CX24116_REG_CLKDIV, 0x46);
+		cx24116_writereg(state, CX24116_REG_RATEDIV, 0x00);
+	}
+
+	cmd.len= 0x13;
+
+	/* We need to support pilot and non-pilot tuning in the
+	 * driver automatically. This is a workaround for because
+	 * the demod does not support autodetect.
+	 */
+	do {
+		/* Reset status register */
+		status = cx24116_readreg(state, CX24116_REG_SSTATUS) & CX24116_SIGNAL_MASK;
+		cx24116_writereg(state, CX24116_REG_SSTATUS, status);
+
+		/* Tune */
+		ret = cx24116_cmd_execute(fe, &cmd);
+		if( ret != 0 )
+			break;
+
+		/*
+		 * Wait for up to 500 ms before retrying
+		 *
+		 * If we are able to tune then generally it occurs within 100ms.
+		 * If it takes longer, try a different toneburst setting.
+		 */
+		for(i = 0; i < 50 ; i++) {
+			cx24116_read_status(fe, &tunerstat);
+			status = tunerstat & (FE_HAS_SIGNAL | FE_HAS_SYNC);
+			if(status == (FE_HAS_SIGNAL | FE_HAS_SYNC)) {
+				dprintk("%s: Tuned\n",__func__);
+				goto tuned;
+			}
+			msleep(10);
+		}
+
+		dprintk("%s: Not tuned\n",__func__);
+
+		/* Toggle pilot bit when in auto-pilot */
+		if(state->dcur.pilot == PILOT_AUTO)
+			cmd.args[0x07] ^= CX24116_PILOT;
+	}
+	while(--retune);
+
+tuned:  /* Set/Reset B/W */
+	cmd.args[0x00] = CMD_BANDWIDTH;
+	cmd.args[0x01] = 0x00;
+	cmd.len= 0x02;
+	ret = cx24116_cmd_execute(fe, &cmd);
+	if (ret != 0)
+		return ret;
+
+	return ret;
+}
+
+static struct dvb_frontend_ops cx24116_ops = {
+
+	.info = {
+		.name = "Conexant CX24116/CX24118",
+		.type = FE_QPSK,
+		.frequency_min = 950000,
+		.frequency_max = 2150000,
+		.frequency_stepsize = 1011, /* kHz for QPSK frontends */
+		.frequency_tolerance = 5000,
+		.symbol_rate_min = 1000000,
+		.symbol_rate_max = 45000000,
+		.caps = FE_CAN_INVERSION_AUTO |
+			FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
+			FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 |
+			FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
+			FE_CAN_QPSK | FE_CAN_RECOVER
+	},
+
+	.release = cx24116_release,
+
+	.init = cx24116_initfe,
+	.sleep = cx24116_sleep,
+	.read_status = cx24116_read_status,
+	.read_ber = cx24116_read_ber,
+	.read_signal_strength = cx24116_read_signal_strength,
+	.read_snr = cx24116_read_snr,
+	.read_ucblocks = cx24116_read_ucblocks,
+	.set_tone = cx24116_set_tone,
+	.set_voltage = cx24116_set_voltage,
+	.diseqc_send_master_cmd = cx24116_send_diseqc_msg,
+	.diseqc_send_burst = cx24116_diseqc_send_burst,
+
+	.set_property = cx24116_set_property,
+	.get_property = cx24116_get_property,
+	.set_frontend = cx24116_set_frontend,
+};
+
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
+
+module_param(toneburst, int, 0644);
+MODULE_PARM_DESC(toneburst, "DiSEqC toneburst 0=OFF, 1=TONE CACHE, 2=MESSAGE CACHE (default:1)");
+
+MODULE_DESCRIPTION("DVB Frontend module for Conexant cx24116/cx24118 hardware");
+MODULE_AUTHOR("Steven Toth");
+MODULE_LICENSE("GPL");
+
+EXPORT_SYMBOL(cx24116_attach);
diff --git a/linux/drivers/media/dvb/frontends/cx24116.h b/linux/drivers/media/dvb/frontends/cx24116.h
new file mode 100644
index 000000000..8dbcec268
--- /dev/null
+++ b/linux/drivers/media/dvb/frontends/cx24116.h
@@ -0,0 +1,53 @@
+/*
+    Conexant cx24116/cx24118 - DVBS/S2 Satellite demod/tuner driver
+
+    Copyright (C) 2006 Steven Toth <stoth@linuxtv.com>
+
+    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 CX24116_H
+#define CX24116_H
+
+#include <linux/dvb/frontend.h>
+
+struct cx24116_config
+{
+	/* the demodulator's i2c address */
+	u8 demod_address;
+
+	/* Need to set device param for start_dma */
+	int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
+
+	/* Need to reset device during firmware loading */
+	int (*reset_device)(struct dvb_frontend* fe);
+
+	/* Need to set MPEG parameters */
+	u8 mpg_clk_pos_pol:0x02;
+};
+
+#if defined(CONFIG_DVB_CX24116) || defined(CONFIG_DVB_CX24116_MODULE)
+extern struct dvb_frontend* cx24116_attach(const struct cx24116_config* config,
+					   struct i2c_adapter* i2c);
+#else
+static inline struct dvb_frontend* cx24116_attach(const struct cx24116_config* config,
+						  struct i2c_adapter* i2c)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+	return NULL;
+}
+#endif // CONFIG_DVB_CX24116
+
+#endif /* CX24116_H */
diff --git a/linux/drivers/media/dvb/frontends/s5h1420.c b/linux/drivers/media/dvb/frontends/s5h1420.c
index b768da972..46d55e393 100644
--- a/linux/drivers/media/dvb/frontends/s5h1420.c
+++ b/linux/drivers/media/dvb/frontends/s5h1420.c
@@ -59,7 +59,7 @@ struct s5h1420_state {
 	 * it does not support repeated-start, workaround: write addr-1
 	 * and then read
 	 */
-	u8 shadow[255];
+	u8 shadow[256];
 };
 
 static u32 s5h1420_getsymbolrate(struct s5h1420_state* state);
@@ -94,8 +94,11 @@ static u8 s5h1420_readreg(struct s5h1420_state *state, u8 reg)
 		if (ret != 3)
 			return ret;
 	} else {
-		ret = i2c_transfer(state->i2c, &msg[1], 2);
-		if (ret != 2)
+		ret = i2c_transfer(state->i2c, &msg[1], 1);
+		if (ret != 1)
+			return ret;
+		ret = i2c_transfer(state->i2c, &msg[2], 1);
+		if (ret != 1)
 			return ret;
 	}
 
@@ -854,7 +857,7 @@ static int s5h1420_init (struct dvb_frontend* fe)
 	struct s5h1420_state* state = fe->demodulator_priv;
 
 	/* disable power down and do reset */
-	state->CON_1_val = 0x10;
+	state->CON_1_val = state->config->serial_mpeg << 4;
 	s5h1420_writereg(state, 0x02, state->CON_1_val);
 	msleep(10);
 	s5h1420_reset(state);
diff --git a/linux/drivers/media/dvb/frontends/s5h1420.h b/linux/drivers/media/dvb/frontends/s5h1420.h
index 4c913f142..ff308136d 100644
--- a/linux/drivers/media/dvb/frontends/s5h1420.h
+++ b/linux/drivers/media/dvb/frontends/s5h1420.h
@@ -32,10 +32,12 @@ struct s5h1420_config
 	u8 demod_address;
 
 	/* does the inversion require inversion? */
-	u8 invert : 1;
+	u8 invert:1;
 
-	u8 repeated_start_workaround : 1;
-	u8 cdclk_polarity : 1; /* 1 == falling edge, 0 == raising edge */
+	u8 repeated_start_workaround:1;
+	u8 cdclk_polarity:1; /* 1 == falling edge, 0 == raising edge */
+
+	u8 serial_mpeg:1;
 };
 
 #if defined(CONFIG_DVB_S5H1420) || (defined(CONFIG_DVB_S5H1420_MODULE) && defined(MODULE))
diff --git a/linux/drivers/media/dvb/frontends/si21xx.c b/linux/drivers/media/dvb/frontends/si21xx.c
new file mode 100644
index 000000000..2f69a173d
--- /dev/null
+++ b/linux/drivers/media/dvb/frontends/si21xx.c
@@ -0,0 +1,1049 @@
+/* DVB compliant Linux driver for the DVB-S si2109/2110 demodulator
+*
+* Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by)
+*
+*	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.
+*
+*/
+#include <linux/version.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <asm/div64.h>
+
+#include "dvb_frontend.h"
+#include "si21xx.h"
+
+#define	REVISION_REG			0x00
+#define	SYSTEM_MODE_REG			0x01
+#define	TS_CTRL_REG_1			0x02
+#define	TS_CTRL_REG_2			0x03
+#define	PIN_CTRL_REG_1			0x04
+#define	PIN_CTRL_REG_2			0x05
+#define	LOCK_STATUS_REG_1		0x0f
+#define	LOCK_STATUS_REG_2		0x10
+#define	ACQ_STATUS_REG			0x11
+#define	ACQ_CTRL_REG_1			0x13
+#define	ACQ_CTRL_REG_2			0x14
+#define	PLL_DIVISOR_REG			0x15
+#define	COARSE_TUNE_REG			0x16
+#define	FINE_TUNE_REG_L			0x17
+#define	FINE_TUNE_REG_H			0x18
+
+#define	ANALOG_AGC_POWER_LEVEL_REG	0x28
+#define	CFO_ESTIMATOR_CTRL_REG_1	0x29
+#define	CFO_ESTIMATOR_CTRL_REG_2	0x2a
+#define	CFO_ESTIMATOR_CTRL_REG_3	0x2b
+
+#define	SYM_RATE_ESTIMATE_REG_L		0x31
+#define	SYM_RATE_ESTIMATE_REG_M		0x32
+#define	SYM_RATE_ESTIMATE_REG_H		0x33
+
+#define	CFO_ESTIMATOR_OFFSET_REG_L	0x36
+#define	CFO_ESTIMATOR_OFFSET_REG_H	0x37
+#define	CFO_ERROR_REG_L			0x38
+#define	CFO_ERROR_REG_H			0x39
+#define	SYM_RATE_ESTIMATOR_CTRL_REG	0x3a
+
+#define	SYM_RATE_REG_L			0x3f
+#define	SYM_RATE_REG_M			0x40
+#define	SYM_RATE_REG_H			0x41
+#define	SYM_RATE_ESTIMATOR_MAXIMUM_REG	0x42
+#define	SYM_RATE_ESTIMATOR_MINIMUM_REG	0x43
+
+#define	C_N_ESTIMATOR_CTRL_REG		0x7c
+#define	C_N_ESTIMATOR_THRSHLD_REG	0x7d
+#define	C_N_ESTIMATOR_LEVEL_REG_L	0x7e
+#define	C_N_ESTIMATOR_LEVEL_REG_H	0x7f
+
+#define	BLIND_SCAN_CTRL_REG		0x80
+
+#define	LSA_CTRL_REG_1			0x8D
+#define	SPCTRM_TILT_CORR_THRSHLD_REG	0x8f
+#define	ONE_DB_BNDWDTH_THRSHLD_REG	0x90
+#define	TWO_DB_BNDWDTH_THRSHLD_REG	0x91
+#define	THREE_DB_BNDWDTH_THRSHLD_REG	0x92
+#define	INBAND_POWER_THRSHLD_REG	0x93
+#define	REF_NOISE_LVL_MRGN_THRSHLD_REG	0x94
+
+#define	VIT_SRCH_CTRL_REG_1		0xa0
+#define	VIT_SRCH_CTRL_REG_2		0xa1
+#define	VIT_SRCH_CTRL_REG_3		0xa2
+#define	VIT_SRCH_STATUS_REG		0xa3
+#define	VITERBI_BER_COUNT_REG_L		0xab
+#define	REED_SOLOMON_CTRL_REG		0xb0
+#define	REED_SOLOMON_ERROR_COUNT_REG_L	0xb1
+#define	PRBS_CTRL_REG			0xb5
+
+#define	LNB_CTRL_REG_1			0xc0
+#define	LNB_CTRL_REG_2			0xc1
+#define	LNB_CTRL_REG_3			0xc2
+#define	LNB_CTRL_REG_4			0xc3
+#define	LNB_CTRL_STATUS_REG		0xc4
+#define	LNB_FIFO_REGS_0			0xc5
+#define	LNB_FIFO_REGS_1			0xc6
+#define	LNB_FIFO_REGS_2			0xc7
+#define	LNB_FIFO_REGS_3			0xc8
+#define	LNB_FIFO_REGS_4			0xc9
+#define	LNB_FIFO_REGS_5			0xca
+#define	LNB_SUPPLY_CTRL_REG_1		0xcb
+#define	LNB_SUPPLY_CTRL_REG_2		0xcc
+#define	LNB_SUPPLY_CTRL_REG_3		0xcd
+#define	LNB_SUPPLY_CTRL_REG_4		0xce
+#define	LNB_SUPPLY_STATUS_REG		0xcf
+
+#define FALSE	0
+#define TRUE	1
+#define FAIL	-1
+#define PASS	0
+
+#define ALLOWABLE_FS_COUNT	10
+#define STATUS_BER		0
+#define STATUS_UCBLOCKS		1
+
+static int debug;
+#define dprintk(args...) \
+	do { \
+		if (debug) \
+			printk(KERN_DEBUG "si21xx: " args); \
+	} while (0)
+
+enum {
+	ACTIVE_HIGH,
+	ACTIVE_LOW
+};
+enum {
+	BYTE_WIDE,
+	BIT_WIDE
+};
+enum {
+	CLK_GAPPED_MODE,
+	CLK_CONTINUOUS_MODE
+};
+enum {
+	RISING_EDGE,
+	FALLING_EDGE
+};
+enum {
+	MSB_FIRST,
+	LSB_FIRST
+};
+enum {
+	SERIAL,
+	PARALLEL
+};
+
+struct si21xx_state {
+	struct i2c_adapter *i2c;
+	const struct si21xx_config *config;
+	struct dvb_frontend frontend;
+	u8 initialised:1;
+	int errmode;
+	int fs;			/*Sampling rate of the ADC in MHz*/
+};
+
+/*	register default initialization */
+static u8 serit_sp1511lhb_inittab[] = {
+	0x01, 0x28,	/* set i2c_inc_disable */
+	0x20, 0x03,
+	0x27, 0x20,
+	0xe0, 0x45,
+	0xe1, 0x08,
+	0xfe, 0x01,
+	0x01, 0x28,
+	0x89, 0x09,
+	0x04, 0x80,
+	0x05, 0x01,
+	0x06, 0x00,
+	0x20, 0x03,
+	0x24, 0x88,
+	0x29, 0x09,
+	0x2a, 0x0f,
+	0x2c, 0x10,
+	0x2d, 0x19,
+	0x2e, 0x08,
+	0x2f, 0x10,
+	0x30, 0x19,
+	0x34, 0x20,
+	0x35, 0x03,
+	0x45, 0x02,
+	0x46, 0x45,
+	0x47, 0xd0,
+	0x48, 0x00,
+	0x49, 0x40,
+	0x4a, 0x03,
+	0x4c, 0xfd,
+	0x4f, 0x2e,
+	0x50, 0x2e,
+	0x51, 0x10,
+	0x52, 0x10,
+	0x56, 0x92,
+	0x59, 0x00,
+	0x5a, 0x2d,
+	0x5b, 0x33,
+	0x5c, 0x1f,
+	0x5f, 0x76,
+	0x62, 0xc0,
+	0x63, 0xc0,
+	0x64, 0xf3,
+	0x65, 0xf3,
+	0x79, 0x40,
+	0x6a, 0x40,
+	0x6b, 0x0a,
+	0x6c, 0x80,
+	0x6d, 0x27,
+	0x71, 0x06,
+	0x75, 0x60,
+	0x78, 0x00,
+	0x79, 0xb5,
+	0x7c, 0x05,
+	0x7d, 0x1a,
+	0x87, 0x55,
+	0x88, 0x72,
+	0x8f, 0x08,
+	0x90, 0xe0,
+	0x94, 0x40,
+	0xa0, 0x3f,
+	0xa1, 0xc0,
+	0xa4, 0xcc,
+	0xa5, 0x66,
+	0xa6, 0x66,
+	0xa7, 0x7b,
+	0xa8, 0x7b,
+	0xa9, 0x7b,
+	0xaa, 0x9a,
+	0xed, 0x04,
+	0xad, 0x00,
+	0xae, 0x03,
+	0xcc, 0xab,
+	0x01, 0x08,
+	0xff, 0xff
+};
+
+/*	low level read/writes */
+static int si21_writeregs(struct si21xx_state *state, u8 reg1,
+							u8 *data, int len)
+{
+	int ret;
+	u8 buf[60];/* = { reg1, data };*/
+	struct i2c_msg msg = {
+				.addr = state->config->demod_address,
+				.flags = 0,
+				.buf = buf,
+				.len = len + 1
+	};
+
+	msg.buf[0] =  reg1;
+	memcpy(msg.buf + 1, data, len);
+
+	ret = i2c_transfer(state->i2c, &msg, 1);
+
+	if (ret != 1)
+		dprintk("%s: writereg error (reg1 == 0x%02x, data == 0x%02x, "
+			"ret == %i)\n", __func__, reg1, data[0], ret);
+
+	return (ret != 1) ? -EREMOTEIO : 0;
+}
+
+static int si21_writereg(struct si21xx_state *state, u8 reg, u8 data)
+{
+	int ret;
+	u8 buf[] = { reg, data };
+	struct i2c_msg msg = {
+				.addr = state->config->demod_address,
+				.flags = 0,
+				.buf = buf,
+				.len = 2
+	};
+
+	ret = i2c_transfer(state->i2c, &msg, 1);
+
+	if (ret != 1)
+		dprintk("%s: writereg error (reg == 0x%02x, data == 0x%02x, "
+			"ret == %i)\n", __func__, reg, data, ret);
+
+	return (ret != 1) ? -EREMOTEIO : 0;
+}
+
+static int si21_write(struct dvb_frontend *fe, u8 *buf, int len)
+{
+	struct si21xx_state *state = fe->demodulator_priv;
+
+	if (len != 2)
+		return -EINVAL;
+
+	return si21_writereg(state, buf[0], buf[1]);
+}
+
+static u8 si21_readreg(struct si21xx_state *state, u8 reg)
+{
+	int ret;
+	u8 b0[] = { reg };
+	u8 b1[] = { 0 };
+	struct i2c_msg msg[] = {
+		{
+			.addr = state->config->demod_address,
+			.flags = 0,
+			.buf = b0,
+			.len = 1
+		}, {
+			.addr = state->config->demod_address,
+			.flags = I2C_M_RD,
+			.buf = b1,
+			.len = 1
+		}
+	};
+
+	ret = i2c_transfer(state->i2c, msg, 2);
+
+	if (ret != 2)
+		dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n",
+			__func__, reg, ret);
+
+	return b1[0];
+}
+
+static int si21_readregs(struct si21xx_state *state, u8 reg1, u8 *b, u8 len)
+{
+	int ret;
+	struct i2c_msg msg[] = {
+		{
+			.addr = state->config->demod_address,
+			.flags = 0,
+			.buf = &reg1,
+			.len = 1
+		}, {
+			.addr = state->config->demod_address,
+			.flags = I2C_M_RD,
+			.buf = b,
+			.len = len
+		}
+	};
+
+	ret = i2c_transfer(state->i2c, msg, 2);
+
+	if (ret != 2)
+		dprintk("%s: readreg error (ret == %i)\n", __func__, ret);
+
+	return ret == 2 ? 0 : -1;
+}
+#if 0
+static int si21xx_wait_diseqc_fifo(struct si21xx_state *state, int timeout)
+{
+	unsigned long start = jiffies;
+
+	dprintk("%s\n", __func__);
+
+	while (((si21_readreg(state, 0xc4) >> 7) & 1) == 0) {
+		if (jiffies - start > timeout) {
+			dprintk("%s: timeout!!\n", __func__);
+			return -ETIMEDOUT;
+		}
+		msleep(10);
+	};
+
+	return 0;
+}
+#endif
+
+static int si21xx_wait_diseqc_idle(struct si21xx_state *state, int timeout)
+{
+	unsigned long start = jiffies;
+
+	dprintk("%s\n", __func__);
+
+	while ((si21_readreg(state, LNB_CTRL_REG_1) & 0x8) == 8) {
+		if (jiffies - start > timeout) {
+			dprintk("%s: timeout!!\n", __func__);
+			return -ETIMEDOUT;
+		}
+		msleep(10);
+	};
+
+	return 0;
+}
+
+static int si21xx_set_symbolrate(struct dvb_frontend *fe, u32 srate)
+{
+	struct si21xx_state *state = fe->demodulator_priv;
+	u32 sym_rate, data_rate;
+	int i;
+	u8 sym_rate_bytes[3];
+
+	dprintk("%s : srate = %i\n", __func__ , srate);
+
+	if ((srate < 1000000) || (srate > 45000000))
+		return -EINVAL;
+
+	data_rate = srate;
+	sym_rate = 0;
+
+	for (i = 0; i < 4; ++i) {
+		sym_rate /= 100;
+		sym_rate = sym_rate + ((data_rate % 100) * 0x800000) /
+								state->fs;
+		data_rate /= 100;
+	}
+	for (i = 0; i < 3; ++i)
+		sym_rate_bytes[i] = (u8)((sym_rate >> (i * 8)) & 0xff);
+
+	si21_writeregs(state, SYM_RATE_REG_L, sym_rate_bytes, 0x03);
+
+	return 0;
+}
+
+static int si21xx_send_diseqc_msg(struct dvb_frontend *fe,
+					struct dvb_diseqc_master_cmd *m)
+{
+	struct si21xx_state *state = fe->demodulator_priv;
+#if 0
+	u8 val;
+	int i;
+
+		if (si21xx_wait_diseqc_idle(state, 100) < 0)
+			return -ETIMEDOUT;
+
+		val = si21_readreg(state, 0x08);
+		/* DiSEqC mode */
+		if (si21_writereg(state, 0x08, (val & ~0x7) | 0x6))
+			return -EREMOTEIO;
+
+		for (i = 0; i < m->msg_len; i++) {
+			if (si21xx_wait_diseqc_fifo(state, 100) < 0)
+				return -ETIMEDOUT;
+
+			if (si21_writereg(state, 0x09, m->msg[i]))
+				return -EREMOTEIO;
+		}
+
+		if (si21xx_wait_diseqc_idle(state, 100) < 0)
+			return -ETIMEDOUT;
+
+		return 0;
+	}
+
+int si21xx_set_lnb_msg(state, lnb_cmd)
+{
+#endif
+	u8 lnb_status;
+	u8 LNB_CTRL_1;
+	int status;
+
+	dprintk("%s\n", __func__);
+
+	status = PASS;
+	LNB_CTRL_1 = 0;
+
+	status |= si21_readregs(state, LNB_CTRL_STATUS_REG, &lnb_status, 0x01);
+	status |= si21_readregs(state, LNB_CTRL_REG_1, &lnb_status, 0x01);
+
+	/*fill the FIFO*/
+	status |= si21_writeregs(state, LNB_FIFO_REGS_0, m->msg, m->msg_len);
+
+	LNB_CTRL_1 = (lnb_status & 0x70);
+#if 0
+	LNB_CTRL_1 |= voltage << 6;	/*voltage select*/
+	LNB_CTRL_1 |= tone << 5;	/*continuous tone selection*/
+	LNB_CTRL_1 |= burst << 4;	/*tone burst selection*/
+	LNB_CTRL_1 |= mmsg << 3;	/*more messages indicator*/
+#endif
+	LNB_CTRL_1 |= m->msg_len;
+
+	LNB_CTRL_1 |= 0x80;	/* begin LNB signaling */
+
+	status |= si21_writeregs(state, LNB_CTRL_REG_1, &LNB_CTRL_1, 0x01);
+
+	return status;
+}
+
+static int si21xx_send_diseqc_burst(struct dvb_frontend *fe,
+						fe_sec_mini_cmd_t burst)
+{
+	struct si21xx_state *state = fe->demodulator_priv;
+	u8 val;
+
+	dprintk("%s\n", __func__);
+
+	if (si21xx_wait_diseqc_idle(state, 100) < 0)
+		return -ETIMEDOUT;
+
+	val = (0x80 | si21_readreg(state, 0xc1));
+#if 0
+	/* burst mode */
+	if (si21_writereg(state, LNB_CTRL_REG_1, (val & ~0x10))
+		return -EREMOTEIO;
+#endif
+	if (si21_writereg(state, LNB_CTRL_REG_1,
+			burst == SEC_MINI_A ? (val & ~0x10) : (val | 0x10)))
+		return -EREMOTEIO;
+
+	if (si21xx_wait_diseqc_idle(state, 100) < 0)
+		return -ETIMEDOUT;
+
+	if (si21_writereg(state, LNB_CTRL_REG_1, val))
+		return -EREMOTEIO;
+
+	return 0;
+}
+/*	30.06.2008 */
+static int si21xx_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
+{
+	struct si21xx_state *state = fe->demodulator_priv;
+	u8 val;
+
+	dprintk("%s\n", __func__);
+#if 0
+	if (si21xx_wait_diseqc_idle(state, 100) < 0)
+		return -ETIMEDOUT;
+#endif
+	val = (0x80 | si21_readreg(state, LNB_CTRL_REG_1));
+
+	switch (tone) {
+	case SEC_TONE_ON:
+		return si21_writereg(state, LNB_CTRL_REG_1, val | 0x20);
+
+	case SEC_TONE_OFF:
+		return si21_writereg(state, LNB_CTRL_REG_1, (val & ~0x20));
+
+	default:
+		return -EINVAL;
+	}
+}
+
+static int si21xx_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t volt)
+{
+	struct si21xx_state *state = fe->demodulator_priv;
+
+	u8 val;
+	dprintk("%s: %s\n", __func__,
+		volt == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" :
+		volt == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "??");
+
+
+	val = (0x80 | si21_readreg(state, LNB_CTRL_REG_1));
+
+	switch (volt) {
+	case SEC_VOLTAGE_18:
+		return si21_writereg(state, LNB_CTRL_REG_1, val | 0x40);
+		break;
+	case SEC_VOLTAGE_13:
+		return si21_writereg(state, LNB_CTRL_REG_1, (val & ~0x40));
+		break;
+	default:
+		return -EINVAL;
+	};
+}
+
+static int si21xx_init(struct dvb_frontend *fe)
+{
+	struct si21xx_state *state = fe->demodulator_priv;
+	int i;
+	int status = 0;
+	u8 reg1;
+	u8 val;
+	u8 reg2[2];
+
+	dprintk("%s\n", __func__);
+
+	for (i = 0; ; i += 2) {
+		reg1 = serit_sp1511lhb_inittab[i];
+		val = serit_sp1511lhb_inittab[i+1];
+		if (reg1 == 0xff && val == 0xff)
+			break;
+		si21_writeregs(state, reg1, &val, 1);
+	}
+
+	/*DVB QPSK SYSTEM MODE REG*/
+	reg1 = 0x08;
+	si21_writeregs(state, SYSTEM_MODE_REG, &reg1, 0x01);
+
+	/*transport stream config*/
+	/*
+	mode = PARALLEL;
+	sdata_form = LSB_FIRST;
+	clk_edge = FALLING_EDGE;
+	clk_mode = CLK_GAPPED_MODE;
+	strt_len = BYTE_WIDE;
+	sync_pol = ACTIVE_HIGH;
+	val_pol = ACTIVE_HIGH;
+	err_pol = ACTIVE_HIGH;
+	sclk_rate = 0x00;
+	parity = 0x00 ;
+	data_delay = 0x00;
+	clk_delay = 0x00;
+	pclk_smooth = 0x00;
+	*/
+	reg2[0] =
+		PARALLEL + (LSB_FIRST << 1)
+		+ (FALLING_EDGE << 2) + (CLK_GAPPED_MODE << 3)
+		+ (BYTE_WIDE << 4) + (ACTIVE_HIGH << 5)
+		+ (ACTIVE_HIGH << 6) + (ACTIVE_HIGH << 7);
+
+	reg2[1] = 0;
+	/*	sclk_rate + (parity << 2)
+		+ (data_delay << 3) + (clk_delay << 4)
+		+ (pclk_smooth << 5);
+	*/
+	status |= si21_writeregs(state, TS_CTRL_REG_1, reg2, 0x02);
+	if (status != 0)
+		dprintk(" %s : TS Set Error\n", __func__);
+
+#if 0
+	lnb_cmd.tone = ON; /* 22khz continuous */
+	lnb_cmd.mmsg = OFF; /* diseqc more message */
+	/* diseqc  command */
+	lnb_cmd.msg[6] = { "0xE0", "0x10", "0x38", "0xF0" };
+	lnb_cmd.msg_len = OFF; /* diseqc command length */
+	lnb_cmd.burst = OFF; /* tone burst a,b */
+	lnb_cmd.volt = OFF; /* 13v 18v select */
+
+	status |= si21xx_set_lnb_msg(state, lnb_cmd);
+	if (status != PASS)
+		dprintk("%s LNB Set Error\n", __func__);
+#endif
+	return 0;
+
+}
+
+static int si21_read_status(struct dvb_frontend *fe, fe_status_t *status)
+{
+	struct si21xx_state *state = fe->demodulator_priv;
+	u8 regs_read[2];
+	u8 reg_read;
+	u8 i;
+	u8 lock;
+	u8 signal = si21_readreg(state, ANALOG_AGC_POWER_LEVEL_REG);
+
+	si21_readregs(state, LOCK_STATUS_REG_1, regs_read, 0x02);
+	reg_read = 0;
+
+	for (i = 0; i < 7; ++i)
+		reg_read |= ((regs_read[0] >> i) & 0x01) << (6 - i);
+
+	lock = ((reg_read & 0x7f) | (regs_read[1] & 0x80));
+
+	dprintk("%s : FE_READ_STATUS : VSTATUS: 0x%02x\n", __func__, lock);
+	*status = 0;
+
+	if (signal > 10)
+		*status |= FE_HAS_SIGNAL;
+
+	if (lock & 0x2)
+		*status |= FE_HAS_CARRIER;
+
+	if (lock & 0x20)
+		*status |= FE_HAS_VITERBI;
+
+	if (lock & 0x40)
+		*status |= FE_HAS_SYNC;
+
+	if ((lock & 0x7b) == 0x7b)
+		*status |= FE_HAS_LOCK;
+
+	return 0;
+}
+
+static int si21_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
+{
+	struct si21xx_state *state = fe->demodulator_priv;
+
+	/*status = si21_readreg(state, ANALOG_AGC_POWER_LEVEL_REG,
+						(u8*)agclevel, 0x01);*/
+
+	u16 signal = (3 * si21_readreg(state, 0x27) *
+					si21_readreg(state, 0x28));
+
+	dprintk("%s : AGCPWR: 0x%02x%02x, signal=0x%04x\n", __func__,
+		si21_readreg(state, 0x27),
+		si21_readreg(state, 0x28), (int) signal);
+
+	signal  <<= 4;
+	*strength = signal;
+
+	return 0;
+}
+
+static int si21_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+	struct si21xx_state *state = fe->demodulator_priv;
+
+	dprintk("%s\n", __func__);
+
+	if (state->errmode != STATUS_BER)
+		return 0;
+
+	*ber = (si21_readreg(state, 0x1d) << 8) |
+				si21_readreg(state, 0x1e);
+
+	return 0;
+}
+
+static int si21_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+	struct si21xx_state *state = fe->demodulator_priv;
+
+	s32 xsnr = 0xffff - ((si21_readreg(state, 0x24) << 8) |
+					si21_readreg(state, 0x25));
+	xsnr = 3 * (xsnr - 0xa100);
+	*snr = (xsnr > 0xffff) ? 0xffff : (xsnr < 0) ? 0 : xsnr;
+
+	dprintk("%s\n", __func__);
+
+	return 0;
+}
+
+static int si21_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+	struct si21xx_state *state = fe->demodulator_priv;
+
+	dprintk("%s\n", __func__);
+
+	if (state->errmode != STATUS_UCBLOCKS)
+		*ucblocks = 0;
+	else
+		*ucblocks = (si21_readreg(state, 0x1d) << 8) |
+					si21_readreg(state, 0x1e);
+
+	return 0;
+}
+
+/*	initiates a channel acquisition sequence
+	using the specified symbol rate and code rate */
+static int si21xx_setacquire(struct dvb_frontend *fe, int symbrate,
+						fe_code_rate_t crate)
+{
+
+	struct si21xx_state *state = fe->demodulator_priv;
+	u8 coderates[] = {
+				0x0, 0x01, 0x02, 0x04, 0x00,
+				0x8, 0x10, 0x20, 0x00, 0x3f
+	};
+
+	u8 coderate_ptr;
+	int status;
+	u8 start_acq = 0x80;
+	u8 reg, regs[3];
+
+	dprintk("%s\n", __func__);
+
+	status = PASS;
+	coderate_ptr = coderates[crate];
+
+	si21xx_set_symbolrate(fe, symbrate);
+
+	/* write code rates to use in the Viterbi search */
+	status |= si21_writeregs(state,
+				VIT_SRCH_CTRL_REG_1,
+				&coderate_ptr, 0x01);
+
+	/* clear acq_start bit */
+	status |= si21_readregs(state, ACQ_CTRL_REG_2, &reg, 0x01);
+	reg &= ~start_acq;
+	status |= si21_writeregs(state, ACQ_CTRL_REG_2, &reg, 0x01);
+
+	/* use new Carrier Frequency Offset Estimator (QuickLock) */
+	regs[0] = 0xCB;
+	regs[1] = 0x40;
+	regs[2] = 0xCB;
+
+	status |= si21_writeregs(state,
+				TWO_DB_BNDWDTH_THRSHLD_REG,
+				&regs[0], 0x03);
+	reg = 0x56;
+	status |= si21_writeregs(state,
+				LSA_CTRL_REG_1, &reg, 1);
+	reg = 0x05;
+	status |= si21_writeregs(state,
+				BLIND_SCAN_CTRL_REG, &reg, 1);
+	/* start automatic acq */
+	status |= si21_writeregs(state,
+				ACQ_CTRL_REG_2, &start_acq, 0x01);
+
+	return status;
+}
+
+static int si21xx_set_property(struct dvb_frontend *fe, struct dtv_property *p)
+{
+	dprintk("%s(..)\n", __func__);
+	return 0;
+}
+
+static int si21xx_get_property(struct dvb_frontend *fe, struct dtv_property *p)
+{
+	dprintk("%s(..)\n", __func__);
+	return 0;
+}
+
+static int si21xx_set_frontend(struct dvb_frontend *fe,
+					struct dvb_frontend_parameters *dfp)
+{
+	struct si21xx_state *state = fe->demodulator_priv;
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+
+	/* freq		Channel carrier frequency in KHz (i.e. 1550000 KHz)
+	 datarate	Channel symbol rate in Sps (i.e. 22500000 Sps)*/
+
+	/* in MHz */
+	unsigned char coarse_tune_freq;
+	int fine_tune_freq;
+	unsigned char sample_rate = 0;
+	/* boolean */
+	unsigned int inband_interferer_ind;
+
+	/* INTERMEDIATE VALUES */
+	int icoarse_tune_freq; /* MHz */
+	int ifine_tune_freq; /* MHz */
+	unsigned int band_high;
+	unsigned int band_low;
+	unsigned int x1;
+	unsigned int x2;
+	int i;
+	unsigned int inband_interferer_div2[ALLOWABLE_FS_COUNT] = {
+			FALSE, FALSE, FALSE, FALSE, FALSE,
+			FALSE, FALSE, FALSE, FALSE, FALSE
+	};
+	unsigned int inband_interferer_div4[ALLOWABLE_FS_COUNT] = {
+			FALSE, FALSE, FALSE, FALSE, FALSE,
+			FALSE, FALSE, FALSE, FALSE, FALSE
+	};
+
+	int status;
+
+	/* allowable sample rates for ADC in MHz */
+	int afs[ALLOWABLE_FS_COUNT] = { 200, 192, 193, 194, 195,
+					196, 204, 205, 206, 207
+	};
+	/* in MHz */
+	int if_limit_high;
+	int if_limit_low;
+	int lnb_lo;
+	int lnb_uncertanity;
+
+	int rf_freq;
+	int data_rate;
+	unsigned char regs[4];
+
+	dprintk("%s : FE_SET_FRONTEND\n", __func__);
+
+	if (c->delivery_system != SYS_DVBS) {
+			dprintk("%s: unsupported delivery system selected (%d)\n",
+				__func__, c->delivery_system);
+			return -EOPNOTSUPP;
+	}
+
+	for (i = 0; i < ALLOWABLE_FS_COUNT; ++i)
+		inband_interferer_div2[i] = inband_interferer_div4[i] = FALSE;
+
+	if_limit_high = -700000;
+	if_limit_low = -100000;
+	/* in MHz */
+	lnb_lo = 0;
+	lnb_uncertanity = 0;
+
+	rf_freq = 10 * c->frequency ;
+	data_rate = c->symbol_rate / 100;
+
+	status = PASS;
+
+	band_low = (rf_freq - lnb_lo) - ((lnb_uncertanity * 200)
+					+ (data_rate * 135)) / 200;
+
+	band_high = (rf_freq - lnb_lo) + ((lnb_uncertanity * 200)
+					+ (data_rate * 135)) / 200;
+
+
+	icoarse_tune_freq = 100000 *
+				(((rf_freq - lnb_lo) -
+					(if_limit_low + if_limit_high) / 2)
+								/ 100000);
+
+	ifine_tune_freq = (rf_freq - lnb_lo) - icoarse_tune_freq ;
+
+	for (i = 0; i < ALLOWABLE_FS_COUNT; ++i) {
+		x1 = ((rf_freq - lnb_lo) / (afs[i] * 2500)) *
+					(afs[i] * 2500) + afs[i] * 2500;
+
+		x2 = ((rf_freq - lnb_lo) / (afs[i] * 2500)) *
+							(afs[i] * 2500);
+
+		if (((band_low < x1) && (x1 < band_high)) ||
+					((band_low < x2) && (x2 < band_high)))
+					inband_interferer_div4[i] = TRUE;
+
+	}
+
+	for (i = 0; i < ALLOWABLE_FS_COUNT; ++i) {
+		x1 = ((rf_freq - lnb_lo) / (afs[i] * 5000)) *
+					(afs[i] * 5000) + afs[i] * 5000;
+
+		x2 = ((rf_freq - lnb_lo) / (afs[i] * 5000)) *
+					(afs[i] * 5000);
+
+		if (((band_low < x1) && (x1 < band_high)) ||
+					((band_low < x2) && (x2 < band_high)))
+					inband_interferer_div2[i] = TRUE;
+	}
+
+	inband_interferer_ind = TRUE;
+	for (i = 0; i < ALLOWABLE_FS_COUNT; ++i)
+		inband_interferer_ind &= inband_interferer_div2[i] |
+						inband_interferer_div4[i];
+
+	if (inband_interferer_ind) {
+		for (i = 0; i < ALLOWABLE_FS_COUNT; ++i) {
+			if (inband_interferer_div2[i] == FALSE) {
+				sample_rate = (u8) afs[i];
+				break;
+			}
+		}
+	} else {
+		for (i = 0; i < ALLOWABLE_FS_COUNT; ++i) {
+			if ((inband_interferer_div2[i] |
+					inband_interferer_div4[i]) == FALSE) {
+				sample_rate = (u8) afs[i];
+				break;
+			}
+		}
+
+	}
+
+	if (sample_rate > 207 || sample_rate < 192)
+		sample_rate = 200;
+
+	fine_tune_freq = ((0x4000 * (ifine_tune_freq / 10)) /
+					((sample_rate) * 1000));
+
+	coarse_tune_freq = (u8)(icoarse_tune_freq / 100000);
+
+	regs[0] = sample_rate;
+	regs[1] = coarse_tune_freq;
+	regs[2] = fine_tune_freq & 0xFF;
+	regs[3] = fine_tune_freq >> 8 & 0xFF;
+
+	status |= si21_writeregs(state, PLL_DIVISOR_REG, &regs[0], 0x04);
+
+	state->fs = sample_rate;/*ADC MHz*/
+	si21xx_setacquire(fe, c->symbol_rate, c->fec_inner);
+
+	return 0;
+}
+
+static int si21xx_sleep(struct dvb_frontend *fe)
+{
+	struct si21xx_state *state = fe->demodulator_priv;
+	u8 regdata;
+
+	dprintk("%s\n", __func__);
+
+	si21_readregs(state, SYSTEM_MODE_REG, &regdata, 0x01);
+	regdata |= 1 << 6;
+	si21_writeregs(state, SYSTEM_MODE_REG, &regdata, 0x01);
+	state->initialised = 0;
+
+	return 0;
+}
+
+static void si21xx_release(struct dvb_frontend *fe)
+{
+	struct si21xx_state *state = fe->demodulator_priv;
+
+	dprintk("%s\n", __func__);
+
+	kfree(state);
+}
+
+static struct dvb_frontend_ops si21xx_ops = {
+
+	.info = {
+		.name			= "SL SI21XX DVB-S",
+		.type			= FE_QPSK,
+		.frequency_min		= 950000,
+		.frequency_max		= 2150000,
+		.frequency_stepsize	= 125,	 /* kHz for QPSK frontends */
+		.frequency_tolerance	= 0,
+		.symbol_rate_min	= 1000000,
+		.symbol_rate_max	= 45000000,
+		.symbol_rate_tolerance	= 500,	/* ppm */
+		.caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
+		FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
+		FE_CAN_QPSK |
+		FE_CAN_FEC_AUTO
+	},
+
+	.release = si21xx_release,
+	.init = si21xx_init,
+	.sleep = si21xx_sleep,
+	.write = si21_write,
+	.read_status = si21_read_status,
+	.read_ber = si21_read_ber,
+	.read_signal_strength = si21_read_signal_strength,
+	.read_snr = si21_read_snr,
+	.read_ucblocks = si21_read_ucblocks,
+	.diseqc_send_master_cmd = si21xx_send_diseqc_msg,
+	.diseqc_send_burst = si21xx_send_diseqc_burst,
+	.set_tone = si21xx_set_tone,
+	.set_voltage = si21xx_set_voltage,
+
+	.set_property = si21xx_set_property,
+	.get_property = si21xx_get_property,
+	.set_frontend = si21xx_set_frontend,
+};
+
+struct dvb_frontend *si21xx_attach(const struct si21xx_config *config,
+						struct i2c_adapter *i2c)
+{
+	struct si21xx_state *state = NULL;
+	int id;
+
+	dprintk("%s\n", __func__);
+
+	/* allocate memory for the internal state */
+	state = kmalloc(sizeof(struct si21xx_state), GFP_KERNEL);
+	if (state == NULL)
+		goto error;
+
+	/* setup the state */
+	state->config = config;
+	state->i2c = i2c;
+	state->initialised = 0;
+	state->errmode = STATUS_BER;
+
+	/* check if the demod is there */
+	id = si21_readreg(state, SYSTEM_MODE_REG);
+	si21_writereg(state, SYSTEM_MODE_REG, id | 0x40); /* standby off */
+	msleep(200);
+	id = si21_readreg(state, 0x00);
+
+	/* register 0x00 contains:
+		0x34 for SI2107
+		0x24 for SI2108
+		0x14 for SI2109
+		0x04 for SI2110
+	*/
+	if (id != 0x04 && id != 0x14)
+		goto error;
+
+	/* create dvb_frontend */
+	memcpy(&state->frontend.ops, &si21xx_ops,
+					sizeof(struct dvb_frontend_ops));
+	state->frontend.demodulator_priv = state;
+	return &state->frontend;
+
+error:
+	kfree(state);
+	return NULL;
+}
+EXPORT_SYMBOL(si21xx_attach);
+
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
+
+MODULE_DESCRIPTION("SL SI21XX DVB Demodulator driver");
+MODULE_AUTHOR("Igor M. Liplianin");
+MODULE_LICENSE("GPL");
diff --git a/linux/drivers/media/dvb/frontends/si21xx.h b/linux/drivers/media/dvb/frontends/si21xx.h
new file mode 100644
index 000000000..141b5b8a5
--- /dev/null
+++ b/linux/drivers/media/dvb/frontends/si21xx.h
@@ -0,0 +1,37 @@
+#ifndef SI21XX_H
+#define SI21XX_H
+
+#include <linux/dvb/frontend.h>
+#include "dvb_frontend.h"
+
+struct si21xx_config {
+	/* the demodulator's i2c address */
+	u8 demod_address;
+
+	/* minimum delay before retuning */
+	int min_delay_ms;
+};
+
+#if defined(CONFIG_DVB_SI21XX) || \
+		(defined(CONFIG_DVB_SI21XX_MODULE) && defined(MODULE))
+extern struct dvb_frontend *si21xx_attach(const struct si21xx_config *config,
+						struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *si21xx_attach(
+		const struct si21xx_config *config, struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif
+
+static inline int si21xx_writeregister(struct dvb_frontend *fe, u8 reg, u8 val)
+{
+	int r = 0;
+	u8 buf[] = {reg, val};
+	if (fe->ops.write)
+		r = fe->ops.write(fe, buf, 2);
+	return r;
+}
+
+#endif
diff --git a/linux/drivers/media/dvb/frontends/stb6000.c b/linux/drivers/media/dvb/frontends/stb6000.c
new file mode 100644
index 000000000..a0ece4278
--- /dev/null
+++ b/linux/drivers/media/dvb/frontends/stb6000.c
@@ -0,0 +1,255 @@
+  /*
+     Driver for ST STB6000 DVBS Silicon tuner
+
+     Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by)
+
+     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.
+
+  */
+
+#include <linux/module.h>
+#include "compat.h"
+#include <linux/dvb/frontend.h>
+#include <asm/types.h>
+
+#include "stb6000.h"
+
+static int debug;
+#define dprintk(args...) \
+	do { \
+		if (debug) \
+			printk(KERN_DEBUG "stb6000: " args); \
+	} while (0)
+
+struct stb6000_priv {
+	/* i2c details */
+	int i2c_address;
+	struct i2c_adapter *i2c;
+	u32 frequency;
+};
+
+static int stb6000_release(struct dvb_frontend *fe)
+{
+	kfree(fe->tuner_priv);
+	fe->tuner_priv = NULL;
+	return 0;
+}
+
+static int stb6000_sleep(struct dvb_frontend *fe)
+{
+	struct stb6000_priv *priv = fe->tuner_priv;
+	int ret;
+	u8 buf[] = { 10, 0 };
+	struct i2c_msg msg = {
+		.addr = priv->i2c_address,
+		.flags = 0,
+		.buf = buf,
+		.len = 2
+	};
+
+	dprintk("%s:\n", __func__);
+
+	if (fe->ops.i2c_gate_ctrl)
+		fe->ops.i2c_gate_ctrl(fe, 1);
+
+	ret = i2c_transfer(priv->i2c, &msg, 1);
+	if (ret != 1)
+		dprintk("%s: i2c error\n", __func__);
+
+	if (fe->ops.i2c_gate_ctrl)
+		fe->ops.i2c_gate_ctrl(fe, 0);
+
+	return (ret == 1) ? 0 : ret;
+}
+
+static int stb6000_set_params(struct dvb_frontend *fe,
+				struct dvb_frontend_parameters *params)
+{
+	struct stb6000_priv *priv = fe->tuner_priv;
+	unsigned int n, m;
+	int ret;
+	u32 freq_mhz;
+	int bandwidth;
+	u8 buf[12];
+	struct i2c_msg msg = {
+		.addr = priv->i2c_address,
+		.flags = 0,
+		.buf = buf,
+		.len = 12
+	};
+
+	dprintk("%s:\n", __func__);
+
+	freq_mhz = params->frequency / 1000;
+	bandwidth = params->u.qpsk.symbol_rate / 1000000;
+
+	if (bandwidth > 31)
+		bandwidth = 31;
+
+	if ((freq_mhz > 949) && (freq_mhz < 2151)) {
+		buf[0] = 0x01;
+		buf[1] = 0xac;
+		if (freq_mhz < 1950)
+			buf[1] = 0xaa;
+		if (freq_mhz < 1800)
+			buf[1] = 0xa8;
+		if (freq_mhz < 1650)
+			buf[1] = 0xa6;
+		if (freq_mhz < 1530)
+			buf[1] = 0xa5;
+		if (freq_mhz < 1470)
+			buf[1] = 0xa4;
+		if (freq_mhz < 1370)
+			buf[1] = 0xa2;
+		if (freq_mhz < 1300)
+			buf[1] = 0xa1;
+		if (freq_mhz < 1200)
+			buf[1] = 0xa0;
+		if (freq_mhz < 1075)
+			buf[1] = 0xbc;
+		if (freq_mhz < 1000)
+			buf[1] = 0xba;
+		if (freq_mhz < 1075) {
+			n = freq_mhz / 8; /* vco=lo*4 */
+			m = 2;
+		} else {
+			n = freq_mhz / 16; /* vco=lo*2 */
+			m = 1;
+		}
+		buf[2] = n >> 1;
+		buf[3] = (unsigned char)(((n & 1) << 7) |
+					(m * freq_mhz - n * 16) | 0x60);
+		buf[4] = 0x04;
+		buf[5] = 0x0e;
+
+		buf[6] = (unsigned char)(bandwidth);
+
+		buf[7] = 0xd8;
+		buf[8] = 0xd0;
+		buf[9] = 0x50;
+		buf[10] = 0xeb;
+		buf[11] = 0x4f;
+
+		if (fe->ops.i2c_gate_ctrl)
+			fe->ops.i2c_gate_ctrl(fe, 1);
+
+		ret = i2c_transfer(priv->i2c, &msg, 1);
+		if (ret != 1)
+			dprintk("%s: i2c error\n", __func__);
+
+		udelay(10);
+		if (fe->ops.i2c_gate_ctrl)
+			fe->ops.i2c_gate_ctrl(fe, 0);
+
+		buf[0] = 0x07;
+		buf[1] = 0xdf;
+		buf[2] = 0xd0;
+		buf[3] = 0x50;
+		buf[4] = 0xfb;
+		msg.len = 5;
+
+		if (fe->ops.i2c_gate_ctrl)
+			fe->ops.i2c_gate_ctrl(fe, 1);
+
+		ret = i2c_transfer(priv->i2c, &msg, 1);
+		if (ret != 1)
+			dprintk("%s: i2c error\n", __func__);
+
+		udelay(10);
+		if (fe->ops.i2c_gate_ctrl)
+			fe->ops.i2c_gate_ctrl(fe, 0);
+
+		priv->frequency = freq_mhz * 1000;
+
+		return (ret == 1) ? 0 : ret;
+	}
+	return -1;
+}
+
+static int stb6000_get_frequency(struct dvb_frontend *fe, u32 *frequency)
+{
+	struct stb6000_priv *priv = fe->tuner_priv;
+	*frequency = priv->frequency;
+	return 0;
+}
+
+static struct dvb_tuner_ops stb6000_tuner_ops = {
+	.info = {
+		.name = "ST STB6000",
+		.frequency_min = 950000,
+		.frequency_max = 2150000
+	},
+	.release = stb6000_release,
+	.sleep = stb6000_sleep,
+	.set_params = stb6000_set_params,
+	.get_frequency = stb6000_get_frequency,
+};
+
+struct dvb_frontend *stb6000_attach(struct dvb_frontend *fe, int addr,
+						struct i2c_adapter *i2c)
+{
+	struct stb6000_priv *priv = NULL;
+	u8 b1[] = { 0, 0 };
+	struct i2c_msg msg[2] = {
+		{
+			.addr = addr,
+			.flags = 0,
+			.buf = NULL,
+			.len = 0
+		}, {
+			.addr = addr,
+			.flags = I2C_M_RD,
+			.buf = b1,
+			.len = 2
+		}
+	};
+	int ret;
+
+	dprintk("%s:\n", __func__);
+
+	if (fe->ops.i2c_gate_ctrl)
+		fe->ops.i2c_gate_ctrl(fe, 1);
+
+	/* is some i2c device here ? */
+	ret = i2c_transfer(i2c, msg, 2);
+	if (fe->ops.i2c_gate_ctrl)
+		fe->ops.i2c_gate_ctrl(fe, 0);
+
+	if (ret != 2)
+		return NULL;
+
+	priv = kzalloc(sizeof(struct stb6000_priv), GFP_KERNEL);
+	if (priv == NULL)
+		return NULL;
+
+	priv->i2c_address = addr;
+	priv->i2c = i2c;
+
+	memcpy(&fe->ops.tuner_ops, &stb6000_tuner_ops,
+				sizeof(struct dvb_tuner_ops));
+
+	fe->tuner_priv = priv;
+
+	return fe;
+}
+EXPORT_SYMBOL(stb6000_attach);
+
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
+
+MODULE_DESCRIPTION("DVB STB6000 driver");
+MODULE_AUTHOR("Igor M. Liplianin <liplianin@me.by>");
+MODULE_LICENSE("GPL");
diff --git a/linux/drivers/media/dvb/frontends/stb6000.h b/linux/drivers/media/dvb/frontends/stb6000.h
new file mode 100644
index 000000000..7be479c22
--- /dev/null
+++ b/linux/drivers/media/dvb/frontends/stb6000.h
@@ -0,0 +1,51 @@
+  /*
+     Driver for ST stb6000 DVBS Silicon tuner
+
+     Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by)
+
+     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 __DVB_STB6000_H__
+#define __DVB_STB6000_H__
+
+#include <linux/i2c.h>
+#include "dvb_frontend.h"
+
+/**
+ * Attach a stb6000 tuner to the supplied frontend structure.
+ *
+ * @param fe Frontend to attach to.
+ * @param addr i2c address of the tuner.
+ * @param i2c i2c adapter to use.
+ * @return FE pointer on success, NULL on failure.
+ */
+#if defined(CONFIG_DVB_STB6000) || (defined(CONFIG_DVB_STB6000_MODULE) \
+							&& defined(MODULE))
+extern struct dvb_frontend *stb6000_attach(struct dvb_frontend *fe, int addr,
+					   struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *stb6000_attach(struct dvb_frontend *fe,
+						  int addr,
+						  struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif /* CONFIG_DVB_STB6000 */
+
+#endif /* __DVB_STB6000_H__ */
diff --git a/linux/drivers/media/dvb/frontends/stv0288.c b/linux/drivers/media/dvb/frontends/stv0288.c
new file mode 100644
index 000000000..90e72e771
--- /dev/null
+++ b/linux/drivers/media/dvb/frontends/stv0288.c
@@ -0,0 +1,606 @@
+/*
+	Driver for ST STV0288 demodulator
+	Copyright (C) 2006 Georg Acher, BayCom GmbH, acher (at) baycom (dot) de
+		for Reel Multimedia
+	Copyright (C) 2008 TurboSight.com, Bob Liu <bob@turbosight.com>
+	Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by>
+		Removed stb6000 specific tuner code and revised some
+		procedures.
+
+	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.
+
+*/
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <asm/div64.h>
+
+#include "dvb_frontend.h"
+#include "stv0288.h"
+
+struct stv0288_state {
+	struct i2c_adapter *i2c;
+	const struct stv0288_config *config;
+	struct dvb_frontend frontend;
+
+	u8 initialised:1;
+	u32 tuner_frequency;
+	u32 symbol_rate;
+	fe_code_rate_t fec_inner;
+	int errmode;
+};
+
+#define STATUS_BER 0
+#define STATUS_UCBLOCKS 1
+
+static int debug;
+static int debug_legacy_dish_switch;
+#define dprintk(args...) \
+	do { \
+		if (debug) \
+			printk(KERN_DEBUG "stv0288: " args); \
+	} while (0)
+
+
+static int stv0288_writeregI(struct stv0288_state *state, u8 reg, u8 data)
+{
+	int ret;
+	u8 buf[] = { reg, data };
+	struct i2c_msg msg = {
+		.addr = state->config->demod_address,
+		.flags = 0,
+		.buf = buf,
+		.len = 2
+	};
+
+	ret = i2c_transfer(state->i2c, &msg, 1);
+
+	if (ret != 1)
+		dprintk("%s: writereg error (reg == 0x%02x, val == 0x%02x, "
+			"ret == %i)\n", __func__, reg, data, ret);
+
+	return (ret != 1) ? -EREMOTEIO : 0;
+}
+
+static int stv0288_write(struct dvb_frontend *fe, u8 *buf, int len)
+{
+	struct stv0288_state *state = fe->demodulator_priv;
+
+	if (len != 2)
+		return -EINVAL;
+
+	return stv0288_writeregI(state, buf[0], buf[1]);
+}
+
+static u8 stv0288_readreg(struct stv0288_state *state, u8 reg)
+{
+	int ret;
+	u8 b0[] = { reg };
+	u8 b1[] = { 0 };
+	struct i2c_msg msg[] = {
+		{
+			.addr = state->config->demod_address,
+			.flags = 0,
+			.buf = b0,
+			.len = 1
+		}, {
+			.addr = state->config->demod_address,
+			.flags = I2C_M_RD,
+			.buf = b1,
+			.len = 1
+		}
+	};
+
+	ret = i2c_transfer(state->i2c, msg, 2);
+
+	if (ret != 2)
+		dprintk("%s: readreg error (reg == 0x%02x, ret == %i)\n",
+				__func__, reg, ret);
+
+	return b1[0];
+}
+
+static int stv0288_set_symbolrate(struct dvb_frontend *fe, u32 srate)
+{
+	struct stv0288_state *state = fe->demodulator_priv;
+	unsigned int temp;
+	unsigned char b[3];
+
+	if ((srate < 1000000) || (srate > 45000000))
+		return -EINVAL;
+
+	temp = (unsigned int)srate / 1000;
+
+		temp = temp * 32768;
+		temp = temp / 25;
+		temp = temp / 125;
+		b[0] = (unsigned char)((temp >> 12) & 0xff);
+		b[1] = (unsigned char)((temp >> 4) & 0xff);
+		b[2] = (unsigned char)((temp << 4) & 0xf0);
+		stv0288_writeregI(state, 0x28, 0x80); /* SFRH */
+		stv0288_writeregI(state, 0x29, 0); /* SFRM */
+		stv0288_writeregI(state, 0x2a, 0); /* SFRL */
+
+		stv0288_writeregI(state, 0x28, b[0]);
+		stv0288_writeregI(state, 0x29, b[1]);
+		stv0288_writeregI(state, 0x2a, b[2]);
+		dprintk("stv0288: stv0288_set_symbolrate\n");
+
+	return 0;
+}
+
+static int stv0288_send_diseqc_msg(struct dvb_frontend *fe,
+				    struct dvb_diseqc_master_cmd *m)
+{
+	struct stv0288_state *state = fe->demodulator_priv;
+
+	int i;
+
+	dprintk("%s\n", __func__);
+
+	stv0288_writeregI(state, 0x09, 0);
+	msleep(30);
+	stv0288_writeregI(state, 0x05, 0x16);
+
+	for (i = 0; i < m->msg_len; i++) {
+		if (stv0288_writeregI(state, 0x06, m->msg[i]))
+			return -EREMOTEIO;
+		msleep(12);
+	}
+
+	return 0;
+}
+
+static int stv0288_send_diseqc_burst(struct dvb_frontend *fe,
+						fe_sec_mini_cmd_t burst)
+{
+	struct stv0288_state *state = fe->demodulator_priv;
+
+	dprintk("%s\n", __func__);
+
+	if (stv0288_writeregI(state, 0x05, 0x16))/* burst mode */
+		return -EREMOTEIO;
+
+	if (stv0288_writeregI(state, 0x06, burst == SEC_MINI_A ? 0x00 : 0xff))
+		return -EREMOTEIO;
+
+	if (stv0288_writeregI(state, 0x06, 0x12))
+		return -EREMOTEIO;
+
+	return 0;
+}
+
+static int stv0288_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
+{
+	struct stv0288_state *state = fe->demodulator_priv;
+
+	switch (tone) {
+	case SEC_TONE_ON:
+		if (stv0288_writeregI(state, 0x05, 0x10))/* burst mode */
+			return -EREMOTEIO;
+		return stv0288_writeregI(state, 0x06, 0xff);
+
+	case SEC_TONE_OFF:
+		if (stv0288_writeregI(state, 0x05, 0x13))/* burst mode */
+			return -EREMOTEIO;
+		return stv0288_writeregI(state, 0x06, 0x00);
+
+	default:
+		return -EINVAL;
+	}
+}
+
+static u8 stv0288_inittab[] = {
+	0x01, 0x15,
+	0x02, 0x20,
+	0x09, 0x0,
+	0x0a, 0x4,
+	0x0b, 0x0,
+	0x0c, 0x0,
+	0x0d, 0x0,
+	0x0e, 0xd4,
+	0x0f, 0x30,
+	0x11, 0x80,
+	0x12, 0x03,
+	0x13, 0x48,
+	0x14, 0x84,
+	0x15, 0x45,
+	0x16, 0xb7,
+	0x17, 0x9c,
+	0x18, 0x0,
+	0x19, 0xa6,
+	0x1a, 0x88,
+	0x1b, 0x8f,
+	0x1c, 0xf0,
+	0x20, 0x0b,
+	0x21, 0x54,
+	0x22, 0x0,
+	0x23, 0x0,
+	0x2b, 0xff,
+	0x2c, 0xf7,
+	0x30, 0x0,
+	0x31, 0x1e,
+	0x32, 0x14,
+	0x33, 0x0f,
+	0x34, 0x09,
+	0x35, 0x0c,
+	0x36, 0x05,
+	0x37, 0x2f,
+	0x38, 0x16,
+	0x39, 0xbe,
+	0x3a, 0x0,
+	0x3b, 0x13,
+	0x3c, 0x11,
+	0x3d, 0x30,
+	0x40, 0x63,
+	0x41, 0x04,
+	0x42, 0x60,
+	0x43, 0x00,
+	0x44, 0x00,
+	0x45, 0x00,
+	0x46, 0x00,
+	0x47, 0x00,
+	0x4a, 0x00,
+	0x50, 0x10,
+	0x51, 0x38,
+	0x52, 0x21,
+	0x58, 0x54,
+	0x59, 0x86,
+	0x5a, 0x0,
+	0x5b, 0x9b,
+	0x5c, 0x08,
+	0x5d, 0x7f,
+	0x5e, 0x0,
+	0x5f, 0xff,
+	0x70, 0x0,
+	0x71, 0x0,
+	0x72, 0x0,
+	0x74, 0x0,
+	0x75, 0x0,
+	0x76, 0x0,
+	0x81, 0x0,
+	0x82, 0x3f,
+	0x83, 0x3f,
+	0x84, 0x0,
+	0x85, 0x0,
+	0x88, 0x0,
+	0x89, 0x0,
+	0x8a, 0x0,
+	0x8b, 0x0,
+	0x8c, 0x0,
+	0x90, 0x0,
+	0x91, 0x0,
+	0x92, 0x0,
+	0x93, 0x0,
+	0x94, 0x1c,
+	0x97, 0x0,
+	0xa0, 0x48,
+	0xa1, 0x0,
+	0xb0, 0xb8,
+	0xb1, 0x3a,
+	0xb2, 0x10,
+	0xb3, 0x82,
+	0xb4, 0x80,
+	0xb5, 0x82,
+	0xb6, 0x82,
+	0xb7, 0x82,
+	0xb8, 0x20,
+	0xb9, 0x0,
+	0xf0, 0x0,
+	0xf1, 0x0,
+	0xf2, 0xc0,
+	0x51, 0x36,
+	0x52, 0x09,
+	0x53, 0x94,
+	0x54, 0x62,
+	0x55, 0x29,
+	0x56, 0x64,
+	0x57, 0x2b,
+	0xff, 0xff,
+};
+
+static int stv0288_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t volt)
+{
+	dprintk("%s: %s\n", __func__,
+		volt == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" :
+		volt == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "??");
+
+	return 0;
+}
+
+static int stv0288_init(struct dvb_frontend *fe)
+{
+	struct stv0288_state *state = fe->demodulator_priv;
+	int i;
+
+	dprintk("stv0288: init chip\n");
+	stv0288_writeregI(state, 0x41, 0x04);
+	msleep(50);
+
+	for (i = 0; !(stv0288_inittab[i] == 0xff &&
+				stv0288_inittab[i + 1] == 0xff); i += 2)
+		stv0288_writeregI(state, stv0288_inittab[i],
+						stv0288_inittab[i + 1]);
+
+	return 0;
+}
+
+static int stv0288_read_status(struct dvb_frontend *fe, fe_status_t *status)
+{
+	struct stv0288_state *state = fe->demodulator_priv;
+
+	u8 sync = stv0288_readreg(state, 0x24);
+	if (sync == 255)
+		sync = 0;
+
+	dprintk("%s : FE_READ_STATUS : VSTATUS: 0x%02x\n", __func__, sync);
+
+	*status = 0;
+
+	if ((sync & 0x08) == 0x08) {
+		*status |= FE_HAS_LOCK;
+		dprintk("stv0288 has locked\n");
+	}
+
+	return 0;
+}
+
+static int stv0288_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+	struct stv0288_state *state = fe->demodulator_priv;
+
+	if (state->errmode != STATUS_BER)
+		return 0;
+	*ber = (stv0288_readreg(state, 0x26) << 8) |
+					stv0288_readreg(state, 0x27);
+	dprintk("stv0288_read_ber %d\n", *ber);
+
+	return 0;
+}
+
+
+static int stv0288_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
+{
+	struct stv0288_state *state = fe->demodulator_priv;
+
+	s32 signal =  0xffff - ((stv0288_readreg(state, 0x10) << 8));
+
+
+	signal = signal * 5 / 4;
+	*strength = (signal > 0xffff) ? 0xffff : (signal < 0) ? 0 : signal;
+	dprintk("stv0288_read_signal_strength %d\n", *strength);
+
+	return 0;
+}
+static int stv0288_sleep(struct dvb_frontend *fe)
+{
+	struct stv0288_state *state = fe->demodulator_priv;
+
+	stv0288_writeregI(state, 0x41, 0x84);
+	state->initialised = 0;
+
+	return 0;
+}
+static int stv0288_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+	struct stv0288_state *state = fe->demodulator_priv;
+
+	s32 xsnr = 0xffff - ((stv0288_readreg(state, 0x2d) << 8)
+			   | stv0288_readreg(state, 0x2e));
+	xsnr = 3 * (xsnr - 0xa100);
+	*snr = (xsnr > 0xffff) ? 0xffff : (xsnr < 0) ? 0 : xsnr;
+	dprintk("stv0288_read_snr %d\n", *snr);
+
+	return 0;
+}
+
+static int stv0288_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+	struct stv0288_state *state = fe->demodulator_priv;
+
+	if (state->errmode != STATUS_BER)
+		return 0;
+	*ucblocks = (stv0288_readreg(state, 0x26) << 8) |
+					stv0288_readreg(state, 0x27);
+	dprintk("stv0288_read_ber %d\n", *ucblocks);
+
+	return 0;
+}
+
+static int stv0288_set_property(struct dvb_frontend *fe, struct dtv_property *p)
+{
+	dprintk("%s(..)\n", __func__);
+	return 0;
+}
+
+static int stv0288_get_property(struct dvb_frontend *fe, struct dtv_property *p)
+{
+	dprintk("%s(..)\n", __func__);
+	return 0;
+}
+
+static int stv0288_set_frontend(struct dvb_frontend *fe,
+					struct dvb_frontend_parameters *dfp)
+{
+	struct stv0288_state *state = fe->demodulator_priv;
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+
+	char tm;
+	unsigned char tda[3];
+
+	dprintk("%s : FE_SET_FRONTEND\n", __func__);
+
+	if (c->delivery_system != SYS_DVBS) {
+			dprintk("%s: unsupported delivery "
+				"system selected (%d)\n",
+				__func__, c->delivery_system);
+			return -EOPNOTSUPP;
+	}
+
+	if (state->config->set_ts_params)
+		state->config->set_ts_params(fe, 0);
+
+	/* only frequency & symbol_rate are used for tuner*/
+	dfp->frequency = c->frequency;
+	dfp->u.qpsk.symbol_rate = c->symbol_rate;
+	if (fe->ops.tuner_ops.set_params) {
+		fe->ops.tuner_ops.set_params(fe, dfp);
+		if (fe->ops.i2c_gate_ctrl)
+			fe->ops.i2c_gate_ctrl(fe, 0);
+	}
+
+	udelay(10);
+	stv0288_set_symbolrate(fe, c->symbol_rate);
+	/* Carrier lock control register */
+	stv0288_writeregI(state, 0x15, 0xc5);
+
+	tda[0] = 0x2b; /* CFRM */
+	tda[2] = 0x0; /* CFRL */
+	for (tm = -6; tm < 7;) {
+		/* Viterbi status */
+		if (stv0288_readreg(state, 0x24) & 0x80)
+			break;
+
+		tda[2] += 40;
+		if (tda[2] < 40)
+			tm++;
+		tda[1] = (unsigned char)tm;
+		stv0288_writeregI(state, 0x2b, tda[1]);
+		stv0288_writeregI(state, 0x2c, tda[2]);
+		udelay(30);
+	}
+
+	state->tuner_frequency = c->frequency;
+	state->fec_inner = FEC_AUTO;
+	state->symbol_rate = c->symbol_rate;
+
+	return 0;
+}
+
+static int stv0288_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
+{
+	struct stv0288_state *state = fe->demodulator_priv;
+
+	if (enable)
+		stv0288_writeregI(state, 0x01, 0xb5);
+	else
+		stv0288_writeregI(state, 0x01, 0x35);
+
+	udelay(1);
+
+	return 0;
+}
+
+static void stv0288_release(struct dvb_frontend *fe)
+{
+	struct stv0288_state *state = fe->demodulator_priv;
+	kfree(state);
+}
+
+static struct dvb_frontend_ops stv0288_ops = {
+
+	.info = {
+		.name			= "ST STV0288 DVB-S",
+		.type			= FE_QPSK,
+		.frequency_min		= 950000,
+		.frequency_max		= 2150000,
+		.frequency_stepsize	= 1000,	 /* kHz for QPSK frontends */
+		.frequency_tolerance	= 0,
+		.symbol_rate_min	= 1000000,
+		.symbol_rate_max	= 45000000,
+		.symbol_rate_tolerance	= 500,	/* ppm */
+		.caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
+		      FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
+		      FE_CAN_QPSK |
+		      FE_CAN_FEC_AUTO
+	},
+
+	.release = stv0288_release,
+	.init = stv0288_init,
+	.sleep = stv0288_sleep,
+	.write = stv0288_write,
+	.i2c_gate_ctrl = stv0288_i2c_gate_ctrl,
+	.read_status = stv0288_read_status,
+	.read_ber = stv0288_read_ber,
+	.read_signal_strength = stv0288_read_signal_strength,
+	.read_snr = stv0288_read_snr,
+	.read_ucblocks = stv0288_read_ucblocks,
+	.diseqc_send_master_cmd = stv0288_send_diseqc_msg,
+	.diseqc_send_burst = stv0288_send_diseqc_burst,
+	.set_tone = stv0288_set_tone,
+	.set_voltage = stv0288_set_voltage,
+
+	.set_property = stv0288_set_property,
+	.get_property = stv0288_get_property,
+	.set_frontend = stv0288_set_frontend,
+};
+
+struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
+				    struct i2c_adapter *i2c)
+{
+	struct stv0288_state *state = NULL;
+	int id;
+
+	/* allocate memory for the internal state */
+	state = kmalloc(sizeof(struct stv0288_state), GFP_KERNEL);
+	if (state == NULL)
+		goto error;
+
+	/* setup the state */
+	state->config = config;
+	state->i2c = i2c;
+	state->initialised = 0;
+	state->tuner_frequency = 0;
+	state->symbol_rate = 0;
+	state->fec_inner = 0;
+	state->errmode = STATUS_BER;
+
+	stv0288_writeregI(state, 0x41, 0x04);
+	msleep(200);
+	id = stv0288_readreg(state, 0x00);
+	dprintk("stv0288 id %x\n", id);
+
+	/* register 0x00 contains 0x11 for STV0288  */
+	if (id != 0x11)
+		goto error;
+
+	/* create dvb_frontend */
+	memcpy(&state->frontend.ops, &stv0288_ops,
+			sizeof(struct dvb_frontend_ops));
+	state->frontend.demodulator_priv = state;
+	return &state->frontend;
+
+error:
+	kfree(state);
+
+	return NULL;
+}
+EXPORT_SYMBOL(stv0288_attach);
+
+module_param(debug_legacy_dish_switch, int, 0444);
+MODULE_PARM_DESC(debug_legacy_dish_switch,
+		"Enable timing analysis for Dish Network legacy switches");
+
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
+
+MODULE_DESCRIPTION("ST STV0288 DVB Demodulator driver");
+MODULE_AUTHOR("Georg Acher, Bob Liu, Igor liplianin");
+MODULE_LICENSE("GPL");
+
diff --git a/linux/drivers/media/dvb/frontends/stv0288.h b/linux/drivers/media/dvb/frontends/stv0288.h
new file mode 100644
index 000000000..aa0cdd273
--- /dev/null
+++ b/linux/drivers/media/dvb/frontends/stv0288.h
@@ -0,0 +1,65 @@
+/*
+	Driver for ST STV0288 demodulator
+
+	Copyright (C) 2006 Georg Acher, BayCom GmbH, acher (at) baycom (dot) de
+		for Reel Multimedia
+	Copyright (C) 2008 TurboSight.com, <bob@turbosight.com>
+	Copyright (C) 2008 Igor M. Liplianin <liplianin@me.by>
+		Removed stb6000 specific tuner code and revised some
+		procedures.
+
+	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 STV0288_H
+#define STV0288_H
+
+#include <linux/dvb/frontend.h>
+#include "dvb_frontend.h"
+
+struct stv0288_config {
+	/* the demodulator's i2c address */
+	u8 demod_address;
+
+	/* minimum delay before retuning */
+	int min_delay_ms;
+
+	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
+};
+
+#if defined(CONFIG_DVB_STV0288) || (defined(CONFIG_DVB_STV0288_MODULE) && \
+							defined(MODULE))
+extern struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
+					   struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *stv0288_attach(const struct stv0288_config *config,
+					   struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif /* CONFIG_DVB_STV0288 */
+
+static inline int stv0288_writereg(struct dvb_frontend *fe, u8 reg, u8 val)
+{
+	int r = 0;
+	u8 buf[] = { reg, val };
+	if (fe->ops.write)
+		r = fe->ops.write(fe, buf, 2);
+	return r;
+}
+
+#endif /* STV0288_H */
diff --git a/linux/drivers/media/dvb/frontends/stv0299.c b/linux/drivers/media/dvb/frontends/stv0299.c
index 35435bef8..6c1cb1973 100644
--- a/linux/drivers/media/dvb/frontends/stv0299.c
+++ b/linux/drivers/media/dvb/frontends/stv0299.c
@@ -559,6 +559,8 @@ static int stv0299_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
 	int invval = 0;
 
 	dprintk ("%s : FE_SET_FRONTEND\n", __func__);
+	if (state->config->set_ts_params)
+		state->config->set_ts_params(fe, 0);
 
 	// set the inversion
 	if (p->inversion == INVERSION_OFF) invval = 0;
diff --git a/linux/drivers/media/dvb/frontends/stv0299.h b/linux/drivers/media/dvb/frontends/stv0299.h
index 3282f4302..0fd96e22b 100644
--- a/linux/drivers/media/dvb/frontends/stv0299.h
+++ b/linux/drivers/media/dvb/frontends/stv0299.h
@@ -89,15 +89,18 @@ struct stv0299_config
 	int min_delay_ms;
 
 	/* Set the symbol rate */
-	int (*set_symbol_rate)(struct dvb_frontend* fe, u32 srate, u32 ratio);
+	int (*set_symbol_rate)(struct dvb_frontend *fe, u32 srate, u32 ratio);
+
+	/* Set device param to start dma */
+	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
 };
 
 #if defined(CONFIG_DVB_STV0299) || (defined(CONFIG_DVB_STV0299_MODULE) && defined(MODULE))
-extern struct dvb_frontend* stv0299_attach(const struct stv0299_config* config,
-					   struct i2c_adapter* i2c);
+extern struct dvb_frontend *stv0299_attach(const struct stv0299_config *config,
+					   struct i2c_adapter *i2c);
 #else
-static inline struct dvb_frontend* stv0299_attach(const struct stv0299_config* config,
-					   struct i2c_adapter* i2c)
+static inline struct dvb_frontend *stv0299_attach(const struct stv0299_config *config,
+					   struct i2c_adapter *i2c)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return NULL;