Montage m88ds3103 demodulator and ts2022 tuner driver.

Signed-off-by: Max nibble <[email protected]>
---
 drivers/media/dvb/frontends/Kconfig     |    7 +
 drivers/media/dvb/frontends/Makefile    |    2 +
 drivers/media/dvb/frontends/m88ds3103.c | 1851 +++++++++++++++++++++++++++++++
 drivers/media/dvb/frontends/m88ds3103.h |   53 +
 4 files changed, 1913 insertions(+)
 create mode 100644 drivers/media/dvb/frontends/m88ds3103.c
 create mode 100644 drivers/media/dvb/frontends/m88ds3103.h

diff --git a/drivers/media/dvb/frontends/Kconfig 
b/drivers/media/dvb/frontends/Kconfig
index e11adb6..d2bb312 100644
--- a/drivers/media/dvb/frontends/Kconfig
+++ b/drivers/media/dvb/frontends/Kconfig
@@ -214,6 +214,13 @@ config DVB_CX24116
        help
          A DVB-S/S2 tuner module. Say Y when you want to support this frontend.
 
+config DVB_M88DS3103
+       tristate "Montage DS3103 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
diff --git a/drivers/media/dvb/frontends/Makefile 
b/drivers/media/dvb/frontends/Makefile
index 6ca7557..84ddf41 100644
--- a/drivers/media/dvb/frontends/Makefile
+++ b/drivers/media/dvb/frontends/Makefile
@@ -98,5 +98,7 @@ obj-$(CONFIG_DVB_A8293) += a8293.o
 obj-$(CONFIG_DVB_TDA10071) += tda10071.o
 obj-$(CONFIG_DVB_RTL2830) += rtl2830.o
 obj-$(CONFIG_DVB_M88RS2000) += m88rs2000.o
+obj-$(CONFIG_DVB_M88DS3103) += m88ds3103.o
 obj-$(CONFIG_DVB_AF9033) += af9033.o
 
+
diff --git a/drivers/media/dvb/frontends/m88ds3103.c 
b/drivers/media/dvb/frontends/m88ds3103.c
new file mode 100644
index 0000000..a186ba0
--- /dev/null
+++ b/drivers/media/dvb/frontends/m88ds3103.c
@@ -0,0 +1,1851 @@
+/*
+    Montage Technology M88DS3103/M88TS2022 - DVBS/S2 Satellite demod/tuner 
driver
+
+    Copyright (C) 2011 Max nibble<[email protected]>
+    Copyright (C) 2010 Montage Technology<www.montage-tech.com>
+    Copyright (C) 2009 Konstantin Dimitrov.
+
+    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 "m88ds3103.h"
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
+
+#define dprintk(args...) \
+       do { \
+               if (debug) \
+                       printk(KERN_INFO "m88ds3103: " args); \
+       } while (0)
+
+#define FW_DOWN_SIZE 32
+#define FW_DOWN_LOOP (8192/FW_DOWN_SIZE)
+#define DS3103_DEFAULT_FIRMWARE "dvb-fe-ds3103.fw"
+#define DS3000_DEFAULT_FIRMWARE "dvb-fe-ds300x.fw"
+#define MT_FE_MCLK_KHZ 96000 /* in kHz */
+#define MT_FE_CRYSTAL_KHZ   27000 /* in kHz */
+#define FREQ_OFFSET_AT_SMALL_SYM_RATE_KHz 3000
+#define DS3000_ID      0x3000
+#define DS3103_ID      0x3103
+#define TS2020_ID      0x2020
+#define TS2022_ID      0x2022
+#define UNKNOW_ID      0x0000
+
+/* For M88DS3103 demod dvbs mode.*/
+static u8 ds3103_dvbs_init_tab[] = {
+       0x23, 0x07,
+       0x08, 0x03,
+       0x0c, 0x02,
+       0x21, 0x54,
+       0x25, 0x82,
+       0x27, 0x31,
+       0x30, 0x08,
+       0x31, 0x40,
+       0x32, 0x32,
+       0x33, 0x35,
+       0x35, 0xff,
+       0x3a, 0x00,
+       0x37, 0x10,
+       0x38, 0x10,
+       0x39, 0x02,
+       0x42, 0x60,
+       0x4a, 0x80,
+       0x4b, 0x04,
+       0x4d, 0x91,
+       0x5d, 0xc8,
+       0x50, 0x36,
+       0x51, 0x36,
+       0x52, 0x36,
+       0x53, 0x36,
+       0x63, 0x0f,
+       0x64, 0x30,
+       0x65, 0x40,
+       0x68, 0x26,
+       0x69, 0x4c,
+       0x70, 0x20,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x40,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x60,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x80,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0xa0,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x1f,
+       0x76, 0x38,
+       0x77, 0xa6,
+       0x78, 0x0c,
+       0x79, 0x80,
+       0x7f, 0x14,
+       0x7c, 0x00,
+       0xae, 0x82,
+       0x80, 0x64,
+       0x81, 0x66,
+       0x82, 0x44,
+       0x85, 0x04,
+       0xcd, 0xf4,
+       0x90, 0x33,
+       0xa0, 0x44,
+       0xc0, 0x08,
+       0xc3, 0x10,
+       0xc4, 0x08,
+       0xc5, 0xf0,
+       0xc6, 0xff,
+       0xc7, 0x00,
+       0xc8, 0x1a,
+       0xc9, 0x80,
+       0xe0, 0xf8,
+       0xe6, 0x8b,
+       0xd0, 0x40,
+       0xf8, 0x20,
+       0xfa, 0x0f,
+       0x00, 0x00,
+       0xbd, 0x01,
+       0xb8, 0x00,
+};
+/* For M88DS3103 demod dvbs2 mode.*/
+static u8 ds3103_dvbs2_init_tab[] = {
+       0x23, 0x07,
+       0x08, 0x07,
+       0x0c, 0x02,
+       0x21, 0x54,
+       0x25, 0x82,
+       0x27, 0x31,
+       0x30, 0x08,
+       0x32, 0x32,
+       0x33, 0x35,
+       0x35, 0xff,
+       0x3a, 0x00,
+       0x37, 0x10,
+       0x38, 0x10,
+       0x39, 0x02,
+       0x42, 0x60,
+       0x4a, 0x80,
+       0x4b, 0x04,
+       0x4d, 0x91,
+       0x5d, 0xc8,
+       0x50, 0x36,
+       0x51, 0x36,
+       0x52, 0x36,
+       0x53, 0x36,
+       0x63, 0x0f,
+       0x64, 0x10,
+       0x65, 0x20,
+       0x68, 0x46,
+       0x69, 0xcd,
+       0x70, 0x20,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x40,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x60,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x80,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0xa0,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x1f,
+       0x76, 0x38,
+       0x77, 0xa6,
+       0x78, 0x0c,
+       0x79, 0x80,
+       0x7f, 0x14,
+       0x85, 0x08,
+       0xcd, 0xf4,
+       0x90, 0x33,
+       0x86, 0x00,
+       0x87, 0x0f,
+       0x89, 0x00,
+       0x8b, 0x44,
+       0x8c, 0x66,
+       0x9d, 0xc1,
+       0x8a, 0x10,
+       0xad, 0x40,
+       0xa0, 0x44,
+       0xc0, 0x08,
+       0xc1, 0x10,
+       0xc2, 0x08,
+       0xc3, 0x10,
+       0xc4, 0x08,
+       0xc5, 0xf0,
+       0xc6, 0xff,
+       0xc7, 0x00,
+       0xc8, 0x1a,
+       0xc9, 0x80,
+       0xca, 0x23,
+       0xcb, 0x24,
+       0xcc, 0xf4,
+       0xce, 0x74,
+       0x00, 0x00,
+       0xbd, 0x01,
+       0xb8, 0x00,
+};
+
+/* For M88DS3000 demod dvbs mode.*/
+static u8 ds3000_dvbs_init_tab[] = {
+       0x23, 0x05,
+       0x08, 0x03,
+       0x0c, 0x02,
+       0x21, 0x54,
+       0x25, 0x82,
+       0x27, 0x31,
+       0x30, 0x08,
+       0x31, 0x40,
+       0x32, 0x32,
+       0x33, 0x35,
+       0x35, 0xff,
+       0x3a, 0x00,
+       0x37, 0x10,
+       0x38, 0x10,
+       0x39, 0x02,
+       0x42, 0x60,
+       0x4a, 0x40,
+       0x4b, 0x04,
+       0x4d, 0x91,
+       0x5d, 0xc8,
+       0x50, 0x77,
+       0x51, 0x77,
+       0x52, 0x36,
+       0x53, 0x36,
+       0x56, 0x01,
+       0x63, 0x47,
+       0x64, 0x30,
+       0x65, 0x40,
+       0x68, 0x26,
+       0x69, 0x4c,
+       0x70, 0x20,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x40,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x60,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x80,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0xa0,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x1f,
+       0x76, 0x00,
+       0x77, 0xd1,
+       0x78, 0x0c,
+       0x79, 0x80,
+       0x7f, 0x04,
+       0x7c, 0x00,
+       0x80, 0x86,
+       0x81, 0xa6,
+       0x85, 0x04,
+       0xcd, 0xf4,
+       0x90, 0x33,
+       0xa0, 0x44,
+       0xc0, 0x18,
+       0xc3, 0x10,
+       0xc4, 0x08,
+       0xc5, 0x80,
+       0xc6, 0x80,
+       0xc7, 0x0a,
+       0xc8, 0x1a,
+       0xc9, 0x80,
+       0xfe, 0xb6,
+       0xe0, 0xf8,
+       0xe6, 0x8b,
+       0xd0, 0x40,
+       0xf8, 0x20,
+       0xfa, 0x0f,
+       0xad, 0x20,
+       0xae, 0x07,
+       0xb8, 0x00,
+};
+
+/* For M88DS3000 demod dvbs2 mode.*/
+static u8 ds3000_dvbs2_init_tab[] = {
+       0x23, 0x0f,
+       0x08, 0x07,
+       0x0c, 0x02,
+       0x21, 0x54,
+       0x25, 0x82,
+       0x27, 0x31,
+       0x30, 0x08,
+       0x31, 0x32,
+       0x32, 0x32,
+       0x33, 0x35,
+       0x35, 0xff,
+       0x3a, 0x00,
+       0x37, 0x10,
+       0x38, 0x10,
+       0x39, 0x02,
+       0x42, 0x60,
+       0x4a, 0x80,
+       0x4b, 0x04,
+       0x4d, 0x91,
+       0x5d, 0x88,
+       0x50, 0x36,
+       0x51, 0x36,
+       0x52, 0x36,
+       0x53, 0x36,
+       0x63, 0x60,
+       0x64, 0x10,
+       0x65, 0x10,
+       0x68, 0x04,
+       0x69, 0x29,
+       0x70, 0x20,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x40,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x60,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x80,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0xa0,
+       0x71, 0x70,
+       0x72, 0x04,
+       0x73, 0x00,
+       0x70, 0x1f,
+       0xa0, 0x44,
+       0xc0, 0x08,
+       0xc1, 0x10,
+       0xc2, 0x08,
+       0xc3, 0x10,
+       0xc4, 0x08,
+       0xc5, 0xf0,
+       0xc6, 0xf0,
+       0xc7, 0x0a,
+       0xc8, 0x1a,
+       0xc9, 0x80,
+       0xca, 0x23,
+       0xcb, 0x24,
+       0xce, 0x74,
+       0x56, 0x01,
+       0x90, 0x03,
+       0x76, 0x80,
+       0x77, 0x42,
+       0x78, 0x0a,
+       0x79, 0x80,
+       0xad, 0x40,
+       0xae, 0x07,
+       0x7f, 0xd4,
+       0x7c, 0x00,
+       0x80, 0xa8,
+       0x81, 0xda,
+       0x7c, 0x01,
+       0x80, 0xda,
+       0x81, 0xec,
+       0x7c, 0x02,
+       0x80, 0xca,
+       0x81, 0xeb,
+       0x7c, 0x03,
+       0x80, 0xba,
+       0x81, 0xdb,
+       0x85, 0x08,
+       0x86, 0x00,
+       0x87, 0x02,
+       0x89, 0x80,
+       0x8b, 0x44,
+       0x8c, 0xaa,
+       0x8a, 0x10,
+       0xba, 0x00,
+       0xf5, 0x04,
+       0xd2, 0x32,
+       0xb8, 0x00,
+};
+
+struct m88ds3103_state {
+       struct i2c_adapter *i2c;
+       const struct m88ds3103_config *config;
+       
+       struct dvb_frontend frontend;
+       
+       u32 preBer;
+       u8 skip_fw_load;        
+       u8 first_lock; /* The first time of signal lock */
+       u16 demod_id; /* demod chip type */
+       u16 tuner_id; /* tuner chip type */
+       fe_delivery_system_t delivery_system;
+};
+
+/*demod register operations.*/
+static int m88ds3103_writereg(struct m88ds3103_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("m88ds3103: %s: write reg 0x%02x, value 0x%02x\n",
+                       __func__, reg, data);
+
+       err = i2c_transfer(state->i2c, &msg, 1);
+       if (err != 1) {
+               printk(KERN_ERR "%s: writereg error(err == %i, reg == 0x%02x,"
+                        " value == 0x%02x)\n", __func__, err, reg, data);
+               return -EREMOTEIO;
+       }
+       return 0;
+}
+
+static int m88ds3103_readreg(struct m88ds3103_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(KERN_ERR "%s: reg=0x%x (error=%d)\n",
+                       __func__, reg, ret);
+               return ret;
+       }
+
+       if (debug > 1)
+               printk(KERN_INFO "m88ds3103: read reg 0x%02x, value 0x%02x\n",
+                       reg, b1[0]);
+
+       return b1[0];
+}
+
+/*tuner register operations.*/
+static int m88ds3103_tuner_writereg(struct m88ds3103_state *state, int reg, 
int data)
+{
+       u8 buf[] = { reg, data };
+       struct i2c_msg msg = { .addr = 0x60,
+               .flags = 0, .buf = buf, .len = 2 };
+       int err;
+
+       m88ds3103_writereg(state, 0x03, 0x11);
+       err = i2c_transfer(state->i2c, &msg, 1);
+       
+       if (err != 1) {
+               printk("%s: writereg error(err == %i, reg == 0x%02x,"
+                        " value == 0x%02x)\n", __func__, err, reg, data);
+               return -EREMOTEIO;
+       }
+
+       return 0;
+}
+
+static int m88ds3103_tuner_readreg(struct m88ds3103_state *state, u8 reg)
+{
+       int ret;
+       u8 b0[] = { reg };
+       u8 b1[] = { 0 };
+       struct i2c_msg msg[] = {
+               { .addr = 0x60, .flags = 0,
+                       .buf = b0, .len = 1 },
+               { .addr = 0x60, .flags = I2C_M_RD,
+                       .buf = b1, .len = 1 }
+       };
+
+       m88ds3103_writereg(state, 0x03, 0x11);  
+       ret = i2c_transfer(state->i2c, msg, 2);
+
+       if (ret != 2) {
+               printk(KERN_ERR "%s: reg=0x%x(error=%d)\n", __func__, reg, ret);
+               return ret;
+       }
+
+       return b1[0];
+}
+
+/* Bulk demod I2C write, for firmware download. */
+static int m88ds3103_writeregN(struct m88ds3103_state *state, int reg,
+                               const 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(KERN_INFO "m88ds3103: %s:  write regN 0x%02x, len = 
%d\n",
+                       __func__, reg, len);
+
+       ret = i2c_transfer(state->i2c, &msg, 1);
+       if (ret != 1) {
+               printk(KERN_ERR "%s: writereg error(err == %i, reg == 0x%02x\n",
+                        __func__, ret, reg);
+               ret = -EREMOTEIO;
+       }
+       
+error:
+       kfree(buf);
+
+       return ret;
+}
+
+static int m88ds3103_load_firmware(struct dvb_frontend *fe)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       const struct firmware *fw;
+       int i, ret = 0;
+
+       dprintk("%s()\n", __func__);
+               
+       if (state->skip_fw_load)
+               return 0;
+       /* Load firmware */
+       /* request the firmware, this will block until someone uploads it */    
+       if(state->demod_id == DS3000_ID){
+               printk(KERN_INFO "%s: Waiting for firmware upload (%s)...\n", 
__func__,
+                               DS3000_DEFAULT_FIRMWARE);               
+               ret = request_firmware(&fw, DS3000_DEFAULT_FIRMWARE,
+                                       state->i2c->dev.parent);
+       }else if(state->demod_id == DS3103_ID){
+               printk(KERN_INFO "%s: Waiting for firmware upload (%s)...\n", 
__func__,
+                               DS3103_DEFAULT_FIRMWARE);
+               ret = request_firmware(&fw, DS3103_DEFAULT_FIRMWARE,
+                                       state->i2c->dev.parent);
+       }
+       
+       printk(KERN_INFO "%s: Waiting for firmware upload(2)...\n", __func__);
+       if (ret) {
+               printk(KERN_ERR "%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;
+
+       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]);
+                       
+       /* stop internal mcu. */
+       m88ds3103_writereg(state, 0xb2, 0x01);
+       /* split firmware to download.*/
+       for(i = 0; i < FW_DOWN_LOOP; i++){
+               ret = m88ds3103_writeregN(state, 0xb0, 
&(fw->data[FW_DOWN_SIZE*i]), FW_DOWN_SIZE);
+               if(ret != 1) break;             
+       }
+       /* start internal mcu. */
+       if(ret == 1)
+               m88ds3103_writereg(state, 0xb2, 0x00);
+               
+       release_firmware(fw);
+
+       dprintk("%s: Firmware upload %s\n", __func__,
+                       ret == 1 ? "complete" : "failed");
+
+       if(ret == 1) ret = 0;
+       
+       /* Ensure firmware is always loaded if required */
+       state->skip_fw_load = 0;
+
+       return ret;
+}
+
+
+static int m88ds3103_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t 
voltage)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       u8 data;
+
+       dprintk("%s(%d)\n", __func__, voltage);
+
+       dprintk("m88ds3103:pin_ctrl = (%02x)\n", state->config->pin_ctrl);
+       
+       if(state->config->set_voltage)
+               state->config->set_voltage(fe, voltage);
+       
+       data = m88ds3103_readreg(state, 0xa2);
+       
+        if(state->config->pin_ctrl & 0x80){ /*If control pin is assigned.*/
+               data &= ~0x03; /* bit0 V/H, bit1 off/on */
+               if(state->config->pin_ctrl & 0x02)
+                    data |= 0x02;
+
+               switch (voltage) {
+               case SEC_VOLTAGE_18:
+                    if((state->config->pin_ctrl & 0x01) == 0)
+                         data |= 0x01;
+                    break;
+               case SEC_VOLTAGE_13:
+                    if(state->config->pin_ctrl & 0x01)
+                         data |= 0x01;
+                    break;
+               case SEC_VOLTAGE_OFF:
+                    if(state->config->pin_ctrl & 0x02)
+                          data &= ~0x02;                       
+                    else
+                          data |= 0x02;
+                    break;
+                }
+        }
+
+       m88ds3103_writereg(state, 0xa2, data);
+
+       return 0;
+}
+
+static int m88ds3103_read_status(struct dvb_frontend *fe, fe_status_t* status)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       int lock = 0;
+       
+       *status = 0;
+       
+       switch (state->delivery_system){
+       case SYS_DVBS:
+               lock = m88ds3103_readreg(state, 0xd1);
+               dprintk("%s: SYS_DVBS status=%x.\n", __func__, lock);
+               
+               if ((lock & 0x07) == 0x07){
+                       /*if((m88ds3103_readreg(state, 0x0d) & 0x07) == 0x07)*/
+                               *status = FE_HAS_SIGNAL | FE_HAS_CARRIER 
+                                       | FE_HAS_VITERBI | FE_HAS_SYNC | 
FE_HAS_LOCK;
+                       
+               }
+               break;
+       case SYS_DVBS2:
+               lock = m88ds3103_readreg(state, 0x0d);
+               dprintk("%s: SYS_DVBS2 status=%x.\n", __func__, lock);
+
+               if ((lock & 0x8f) == 0x8f)
+                       *status = FE_HAS_SIGNAL | FE_HAS_CARRIER 
+                               | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
+                       
+               break;
+       default:
+               break;
+       }
+
+       return 0;
+}
+
+static int m88ds3103_read_ber(struct dvb_frontend *fe, u32* ber)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       u8 tmp1, tmp2, tmp3;
+       u32 ldpc_frame_cnt, pre_err_packags, code_rate_fac = 0;
+
+       dprintk("%s()\n", __func__);
+
+       switch (state->delivery_system) {
+       case SYS_DVBS:
+               m88ds3103_writereg(state, 0xf9, 0x04);
+               tmp3 = m88ds3103_readreg(state, 0xf8);
+               if ((tmp3&0x10) == 0){
+                       tmp1 = m88ds3103_readreg(state, 0xf7);
+                       tmp2 = m88ds3103_readreg(state, 0xf6);
+                       tmp3 |= 0x10;
+                       m88ds3103_writereg(state, 0xf8, tmp3);
+                       state->preBer = (tmp1<<8) | tmp2;
+               }
+               break;
+       case SYS_DVBS2:
+               tmp1 = m88ds3103_readreg(state, 0x7e) & 0x0f;
+               switch(tmp1){
+               case 0: code_rate_fac = 16008 - 80; break;
+               case 1: code_rate_fac = 21408 - 80; break;
+               case 2: code_rate_fac = 25728 - 80; break;
+               case 3: code_rate_fac = 32208 - 80; break;
+               case 4: code_rate_fac = 38688 - 80; break;
+               case 5: code_rate_fac = 43040 - 80; break;
+               case 6: code_rate_fac = 48408 - 80; break;
+               case 7: code_rate_fac = 51648 - 80; break;
+               case 8: code_rate_fac = 53840 - 80; break;
+               case 9: code_rate_fac = 57472 - 80; break;
+               case 10: code_rate_fac = 58192 - 80; break;
+               }
+               
+               tmp1 = m88ds3103_readreg(state, 0xd7) & 0xff;
+               tmp2 = m88ds3103_readreg(state, 0xd6) & 0xff;
+               tmp3 = m88ds3103_readreg(state, 0xd5) & 0xff;           
+               ldpc_frame_cnt = (tmp1 << 16) | (tmp2 << 8) | tmp3;
+
+               tmp1 = m88ds3103_readreg(state, 0xf8) & 0xff;
+               tmp2 = m88ds3103_readreg(state, 0xf7) & 0xff;
+               pre_err_packags = tmp1<<8 | tmp2;
+               
+               if (ldpc_frame_cnt > 1000){
+                       m88ds3103_writereg(state, 0xd1, 0x01);
+                       m88ds3103_writereg(state, 0xf9, 0x01);
+                       m88ds3103_writereg(state, 0xf9, 0x00);
+                       m88ds3103_writereg(state, 0xd1, 0x00);
+                       state->preBer = pre_err_packags;
+               }                               
+               break;
+       default:
+               break;
+       }
+       *ber = state->preBer;
+       
+       return 0;
+}
+
+static int m88ds3103_read_signal_strength(struct dvb_frontend *fe,
+                                               u16 *signal_strength)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       u16 gain;
+       u8 gain1, gain2, gain3 = 0;
+
+       dprintk("%s()\n", __func__);
+
+       gain1 = m88ds3103_tuner_readreg(state, 0x3d) & 0x1f;
+       dprintk("%s: gain1 = 0x%02x \n", __func__, gain1);
+       
+       if (gain1 > 15) gain1 = 15;
+       gain2 = m88ds3103_tuner_readreg(state, 0x21) & 0x1f;
+       dprintk("%s: gain2 = 0x%02x \n", __func__, gain2);
+       
+       if(state->tuner_id == TS2022_ID){
+               gain3 = (m88ds3103_tuner_readreg(state, 0x66)>>3) & 0x07;
+               dprintk("%s: gain3 = 0x%02x \n", __func__, gain3);
+               
+               if (gain2 > 16) gain2 = 16;
+               if (gain2 < 2) gain2 = 2;                       
+               if (gain3 > 6) gain3 = 6;
+       }else{
+               if (gain2 > 13) gain2 = 13;
+               gain3 = 0;
+       }
+
+       gain = gain1*23 + gain2*35 + gain3*29;
+       *signal_strength = 60000 - gain*55;
+
+       return 0;
+}
+
+
+static int m88ds3103_read_snr(struct dvb_frontend *fe, u16 *p_snr)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       u8 val, npow1, npow2, spow1, cnt;
+       u16 tmp, snr;
+       u32 npow, spow, snr_total;      
+       static const u16 mes_log10[] ={
+               0,      3010,   4771,   6021,   6990,   7781,   8451,   9031,   
9542,   10000,
+               10414,  10792,  11139,  11461,  11761,  12041,  12304,  12553,  
12788,  13010,
+               13222,  13424,  13617,  13802,  13979,  14150,  14314,  14472,  
14624,  14771,
+               14914,  15052,  15185,  15315,  15441,  15563,  15682,  15798,  
15911,  16021,
+               16128,  16232,  16335,  16435,  16532,  16628,  16721,  16812,  
16902,  16990,
+               17076,  17160,  17243,  17324,  17404,  17482,  17559,  17634,  
17709,  17782,
+               17853,  17924,  17993,  18062,  18129,  18195,  18261,  18325,  
18388,  18451,
+               18513,  18573,  18633,  18692,  18751,  18808,  18865,  18921,  
18976,  19031
+       };
+       static const u16 mes_loge[] ={
+               0,      6931,   10986,  13863,  16094,  17918,  19459,  20794,  
21972,  23026,
+               23979,  24849,  25649,  26391,  27081,  27726,  28332,  28904,  
29444,  29957,
+               30445,  30910,  31355,  31781,  32189,  32581,  32958,  33322,  
33673,  34012,
+               34340,  34657,
+       };
+
+       dprintk("%s()\n", __func__);
+
+       snr = 0;
+       
+       switch (state->delivery_system){
+       case SYS_DVBS:
+               cnt = 10; snr_total = 0;
+               while(cnt > 0){
+                       val = m88ds3103_readreg(state, 0xff);
+                       snr_total += val;
+                       cnt--;
+               }
+               tmp = (u16)(snr_total/80);
+               if(tmp > 0){
+                       if (tmp > 32) tmp = 32;
+                       snr = (mes_loge[tmp - 1] * 100) / 45;
+               }else{
+                       snr = 0;
+               }
+               break;
+       case SYS_DVBS2:
+               cnt  = 10; npow = 0; spow = 0;
+               while(cnt >0){
+                       npow1 = m88ds3103_readreg(state, 0x8c) & 0xff;
+                       npow2 = m88ds3103_readreg(state, 0x8d) & 0xff;
+                       npow += (((npow1 & 0x3f) + (u16)(npow2 << 6)) >> 2);
+
+                       spow1 = m88ds3103_readreg(state, 0x8e) & 0xff;
+                       spow += ((spow1 * spow1) >> 1);
+                       cnt--;
+               }
+               npow /= 10; spow /= 10;
+               if(spow == 0){
+                       snr = 0;
+               }else if(npow == 0){
+                       snr = 19;
+               }else{
+                       if(spow > npow){
+                               tmp = (u16)(spow / npow);
+                               if (tmp > 80) tmp = 80;
+                               snr = mes_log10[tmp - 1]*3;
+                       }else{
+                               tmp = (u16)(npow / spow);
+                               if (tmp > 80) tmp = 80;
+                               snr = -(mes_log10[tmp - 1] / 1000);
+                       }
+               }                       
+               break;
+       default:
+               break;
+       }
+       *p_snr = snr;
+
+       return 0;
+}
+
+
+static int m88ds3103_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       u8 tmp1, tmp2, tmp3, data;
+
+       dprintk("%s()\n", __func__);
+
+       switch (state->delivery_system) {
+       case SYS_DVBS:
+               data = m88ds3103_readreg(state, 0xf8);
+               data |= 0x40;
+               m88ds3103_writereg(state, 0xf8, data);          
+               tmp1 = m88ds3103_readreg(state, 0xf5);
+               tmp2 = m88ds3103_readreg(state, 0xf4);
+               *ucblocks = (tmp1 <<8) | tmp2;          
+               data &= ~0x20;
+               m88ds3103_writereg(state, 0xf8, data);
+               data |= 0x20;
+               m88ds3103_writereg(state, 0xf8, data);
+               data &= ~0x40;
+               m88ds3103_writereg(state, 0xf8, data);
+               break;
+       case SYS_DVBS2:
+               tmp1 = m88ds3103_readreg(state, 0xda);
+               tmp2 = m88ds3103_readreg(state, 0xd9);
+               tmp3 = m88ds3103_readreg(state, 0xd8);
+               *ucblocks = (tmp1 <<16)|(tmp2 <<8)|tmp3;
+               data = m88ds3103_readreg(state, 0xd1);
+               data |= 0x01;
+               m88ds3103_writereg(state, 0xd1, data);
+               data &= ~0x01;
+               m88ds3103_writereg(state, 0xd1, data);
+               break;
+       default:
+               break;
+       }
+       return 0;
+}
+
+static int m88ds3103_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       u8 data_a1, data_a2;
+
+       dprintk("%s(%d)\n", __func__, tone);
+       if ((tone != SEC_TONE_ON) && (tone != SEC_TONE_OFF)) {
+               printk(KERN_ERR "%s: Invalid, tone=%d\n", __func__, tone);
+               return -EINVAL;
+       }
+
+       data_a1 = m88ds3103_readreg(state, 0xa1);
+       data_a2 = m88ds3103_readreg(state, 0xa2);
+       if(state->demod_id == DS3103_ID)
+               data_a2 &= 0xdf; /* Normal mode */
+       switch (tone) {
+       case SEC_TONE_ON:
+               dprintk("%s: SEC_TONE_ON\n", __func__);
+               data_a1 |= 0x04;
+               data_a1 &= ~0x03;
+               data_a1 &= ~0x40;
+               data_a2 &= ~0xc0;
+               break;
+       case SEC_TONE_OFF:
+               dprintk("%s: SEC_TONE_OFF\n", __func__);
+               data_a2 &= ~0xc0;
+               data_a2 |= 0x80;
+               break;
+       }
+       m88ds3103_writereg(state, 0xa2, data_a2);
+       m88ds3103_writereg(state, 0xa1, data_a1);
+       return 0;
+}
+
+static int m88ds3103_send_diseqc_msg(struct dvb_frontend *fe,
+                               struct dvb_diseqc_master_cmd *d)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       int i, ret = 0;
+       u8 tmp, time_out;
+
+       /* Dump DiSEqC message */
+       if (debug) {
+               printk(KERN_INFO "m88ds3103: %s(", __func__);
+               for (i = 0 ; i < d->msg_len ;) {
+                       printk(KERN_INFO "0x%02x", d->msg[i]);
+                       if (++i < d->msg_len)
+                               printk(KERN_INFO ", ");
+               }
+       }
+
+       tmp = m88ds3103_readreg(state, 0xa2);
+       tmp &= ~0xc0;
+       if(state->demod_id == DS3103_ID)
+               tmp &= ~0x20;
+       m88ds3103_writereg(state, 0xa2, tmp);
+       
+       for (i = 0; i < d->msg_len; i ++)
+               m88ds3103_writereg(state, (0xa3+i), d->msg[i]);
+
+       tmp = m88ds3103_readreg(state, 0xa1);   
+       tmp &= ~0x38;
+       tmp &= ~0x40;
+       tmp |= ((d->msg_len-1) << 3) | 0x07;
+       tmp &= ~0x80;
+       m88ds3103_writereg(state, 0xa1, tmp);
+       /*      1.5 * 9 * 8     = 108ms */
+       time_out = 150;
+       while (time_out > 0){
+               msleep(10);
+               time_out -= 10;
+               tmp = m88ds3103_readreg(state, 0xa1);           
+               if ((tmp & 0x40) == 0)
+                       break;
+       }
+       if (time_out == 0){
+               tmp = m88ds3103_readreg(state, 0xa1);
+               tmp &= ~0x80;
+               tmp |= 0x40;
+               m88ds3103_writereg(state, 0xa1, tmp);
+               ret = 1;
+       }
+       tmp = m88ds3103_readreg(state, 0xa2);
+       tmp &= ~0xc0;
+       tmp |= 0x80;
+       m88ds3103_writereg(state, 0xa2, tmp);   
+       return ret;
+}
+
+
+static int m88ds3103_diseqc_send_burst(struct dvb_frontend *fe,
+                                       fe_sec_mini_cmd_t burst)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       u8      val, time_out;
+       
+       dprintk("%s()\n", __func__);
+
+       val = m88ds3103_readreg(state, 0xa2);
+       val &= ~0xc0;
+       if(state->demod_id == DS3103_ID)
+               val &= 0xdf; /* Normal mode */
+       m88ds3103_writereg(state, 0xa2, val);
+       /* DiSEqC burst */
+       if (burst == SEC_MINI_B)
+               m88ds3103_writereg(state, 0xa1, 0x01);
+       else
+               m88ds3103_writereg(state, 0xa1, 0x02);
+
+       msleep(13);
+
+       time_out = 5;
+       do{
+               val = m88ds3103_readreg(state, 0xa1);
+               if ((val & 0x40) == 0)
+                       break;
+               msleep(1);
+               time_out --;
+       } while (time_out > 0);
+
+       val = m88ds3103_readreg(state, 0xa2);
+       val &= ~0xc0;
+       val |= 0x80;
+       m88ds3103_writereg(state, 0xa2, val);
+       
+       return 0;
+}
+
+static void m88ds3103_release(struct dvb_frontend *fe)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+
+       dprintk("%s\n", __func__);
+       kfree(state);
+}
+
+static int m88ds3103_check_id(struct m88ds3103_state *state)
+{
+       int val_00, val_01;
+       
+       /*check demod id*/
+       val_01 = m88ds3103_readreg(state, 0x01);
+       printk(KERN_INFO "DS3000 chip version: %x attached.\n", val_01);
+                       
+       if(val_01 == 0xD0)
+               state->demod_id = DS3103_ID;
+       else if(val_01 == 0xC0)
+               state->demod_id = DS3000_ID;
+       else
+               state->demod_id = UNKNOW_ID;
+               
+       /*check tuner id*/
+       val_00 = m88ds3103_tuner_readreg(state, 0x00);
+       printk(KERN_INFO "TS202x chip version[1]: %x attached.\n", val_00);
+       val_00 &= 0x03;
+       if(val_00 == 0)
+       {
+               m88ds3103_tuner_writereg(state, 0x00, 0x01);
+               msleep(3);              
+       }
+       m88ds3103_tuner_writereg(state, 0x00, 0x03);
+       msleep(5);
+       
+       val_00 = m88ds3103_tuner_readreg(state, 0x00);
+       printk(KERN_INFO "TS202x chip version[2]: %x attached.\n", val_00);
+       val_00 &= 0xff;
+       if((val_00 == 0x01) || (val_00 == 0x41) || (val_00 == 0x81))
+               state->tuner_id = TS2020_ID;
+       else if(((val_00 & 0xc0)== 0xc0) || (val_00 == 0x83))
+               state->tuner_id = TS2022_ID;
+       else
+               state->tuner_id = UNKNOW_ID;
+                       
+       return state->demod_id; 
+}
+
+static struct dvb_frontend_ops m88ds3103_ops;
+static int m88ds3103_initilaze(struct dvb_frontend *fe);
+
+struct dvb_frontend *m88ds3103_attach(const struct m88ds3103_config *config,
+                                   struct i2c_adapter *i2c)
+{
+       struct m88ds3103_state *state = NULL;
+
+       dprintk("%s\n", __func__);
+
+       /* allocate memory for the internal state */
+       state = kzalloc(sizeof(struct m88ds3103_state), GFP_KERNEL);
+       if (state == NULL) {
+               printk(KERN_ERR "Unable to kmalloc\n");
+               goto error2;
+       }
+
+       state->config = config;
+       state->i2c = i2c;
+       state->preBer = 0xffff;
+       state->delivery_system = SYS_DVBS; /*Default to DVB-S.*/
+       
+       /* check demod id */
+       if(m88ds3103_check_id(state) == UNKNOW_ID){
+               printk(KERN_ERR "Unable to find Montage chip\n");
+               goto error3;
+       }
+
+       memcpy(&state->frontend.ops, &m88ds3103_ops,
+                       sizeof(struct dvb_frontend_ops));
+       state->frontend.demodulator_priv = state;
+       
+       m88ds3103_initilaze(&state->frontend);
+       
+       return &state->frontend;
+
+error3:
+       kfree(state);
+error2:
+       return NULL;
+}
+EXPORT_SYMBOL(m88ds3103_attach);
+
+static int m88ds3103_set_carrier_offset(struct dvb_frontend *fe,
+                                       s32 carrier_offset_khz)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       s32 tmp;
+
+       tmp = carrier_offset_khz;
+       tmp *= 65536;
+       
+       tmp = (2*tmp + MT_FE_MCLK_KHZ) / (2*MT_FE_MCLK_KHZ);
+
+       if (tmp < 0)
+               tmp += 65536;
+
+       m88ds3103_writereg(state, 0x5f, tmp >> 8);
+       m88ds3103_writereg(state, 0x5e, tmp & 0xff);
+
+       return 0;
+}
+
+static int m88ds3103_set_symrate(struct dvb_frontend *fe)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+       u16 value;
+       
+       value = (((c->symbol_rate / 1000) << 15) + (MT_FE_MCLK_KHZ / 4)) / 
(MT_FE_MCLK_KHZ / 2);
+       m88ds3103_writereg(state, 0x61, value & 0x00ff);
+       m88ds3103_writereg(state, 0x62, (value & 0xff00) >> 8);
+
+       return 0;
+}
+
+static int m88ds3103_set_CCI(struct dvb_frontend *fe)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       u8 tmp;
+
+       tmp = m88ds3103_readreg(state, 0x56);
+       tmp &= ~0x01;
+       m88ds3103_writereg(state, 0x56, tmp);
+
+       tmp = m88ds3103_readreg(state, 0x76);
+       tmp &= ~0x80;
+       m88ds3103_writereg(state, 0x76, tmp);
+
+       return 0;
+}
+
+static int m88ds3103_init_reg(struct m88ds3103_state *state, const u8 
*p_reg_tab, u32 size)
+{
+       u32 i;
+       
+       for(i = 0; i < size; i+=2)
+               m88ds3103_writereg(state, p_reg_tab[i], p_reg_tab[i+1]);
+               
+       return 0;
+}
+
+static int m88ds3103_demod_connect(struct dvb_frontend *fe, s32 
carrier_offset_khz) 
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+       u16 value;
+       u8 val1,val2,data;
+       
+       dprintk("connect delivery system = %d\n", state->delivery_system);
+       
+       /* ds3000 global reset */
+       m88ds3103_writereg(state, 0x07, 0x80);
+       m88ds3103_writereg(state, 0x07, 0x00);
+       /* ds3000 build-in uC reset */
+       m88ds3103_writereg(state, 0xb2, 0x01);
+       /* ds3000 software reset */
+       m88ds3103_writereg(state, 0x00, 0x01);
+
+       switch (state->delivery_system) {
+       case SYS_DVBS:
+               /* initialise the demod in DVB-S mode */
+               if(state->demod_id == DS3000_ID){
+                       m88ds3103_init_reg(state, ds3000_dvbs_init_tab, 
sizeof(ds3000_dvbs_init_tab));
+                       
+                       value = m88ds3103_readreg(state, 0xfe);
+                       value &= 0xc0;
+                       value |= 0x1b;
+                       m88ds3103_writereg(state, 0xfe, value);
+                       
+                       if(state->config->ci_mode)
+                               val1 = 0x80;
+                       else if(state->config->ts_mode)
+                               val1 = 0x60;
+                       else
+                               val1 = 0x20;
+                       m88ds3103_writereg(state, 0xfd, val1);
+                       
+               }else if(state->demod_id == DS3103_ID){
+                       m88ds3103_init_reg(state, ds3103_dvbs_init_tab, 
sizeof(ds3103_dvbs_init_tab));
+                       
+                       /* set ts clock */
+                       if(state->config->ts_mode == 0) {
+                               val1 = 3; val2 = 3;
+                       }else{
+                               val1 = 0; val2 = 0;
+                       }
+                       val1 -= 1; val2 -= 1;
+                       val1 &= 0x3f; val2 &= 0x3f;
+                       data = m88ds3103_readreg(state, 0xfe);
+                       data &= 0xf0;
+                       data |= (val2 >> 2) & 0x0f;
+                       m88ds3103_writereg(state, 0xfe, data);
+                       data = (val2 & 0x03) << 6;
+                       data |= val1;
+                       m88ds3103_writereg(state, 0xea, data);
+                       
+                       m88ds3103_writereg(state, 0x4d, 0xfd & 
m88ds3103_readreg(state, 0x4d));
+                       m88ds3103_writereg(state, 0x30, 0xef & 
m88ds3103_readreg(state, 0x30));
+                       
+                       /* set master clock */
+                       val1 = m88ds3103_readreg(state, 0x22);
+                       val2 = m88ds3103_readreg(state, 0x24);
+                       
+                       val1 &= 0x3f;
+                       val2 &= 0x3f;
+                       val1 |= 0x80;
+                       val2 |= 0x40;
+
+                       m88ds3103_writereg(state, 0x22, val1);
+                       m88ds3103_writereg(state, 0x24, val2);  
+                       
+                       if(state->config->ci_mode)
+                               val1 = 0x03;
+                       else if(state->config->ts_mode)
+                               val1 = 0x06;
+                       else
+                               val1 = 0x42;
+                       m88ds3103_writereg(state, 0xfd, val1);          
+               }
+               break;
+       case SYS_DVBS2:
+               /* initialise the demod in DVB-S2 mode */
+               if(state->demod_id == DS3000_ID){
+                       m88ds3103_init_reg(state, ds3000_dvbs2_init_tab, 
sizeof(ds3000_dvbs2_init_tab));
+               
+                       if (c->symbol_rate >= 30000000)
+                               m88ds3103_writereg(state, 0xfe, 0x54);
+                       else
+                               m88ds3103_writereg(state, 0xfe, 0x98);
+                                                               
+               }else if(state->demod_id == DS3103_ID){
+                       m88ds3103_init_reg(state, ds3103_dvbs2_init_tab, 
sizeof(ds3103_dvbs2_init_tab));
+
+                       /* set ts clock */
+                       if(state->config->ts_mode == 0){
+                               val1 = 5; val2 = 4;
+                       }else{
+                               val1 = 0; val2 = 0;
+                       }
+                       val1 -= 1; val2 -= 1;
+                       val1 &= 0x3f; val2 &= 0x3f;
+                       data = m88ds3103_readreg(state, 0xfe);
+                       data &= 0xf0;
+                       data |= (val2 >> 2) & 0x0f;
+                       m88ds3103_writereg(state, 0xfe, data);
+                       data = (val2 & 0x03) << 6;
+                       data |= val1;
+                       m88ds3103_writereg(state, 0xea, data);
+                       
+                       m88ds3103_writereg(state, 0x4d, 0xfd & 
m88ds3103_readreg(state, 0x4d));
+                       m88ds3103_writereg(state, 0x30, 0xef & 
m88ds3103_readreg(state, 0x30));
+                       
+                       /* set master clock */
+                       val1 = m88ds3103_readreg(state, 0x22);
+                       val2 = m88ds3103_readreg(state, 0x24);
+                       
+                       val1 &= 0x3f;
+                       val2 &= 0x3f;
+                       if(state->config->ts_mode == 1){
+                               val1 |= 0x80;
+                               val2 |= 0x40;
+                       }else{
+                               if (c->symbol_rate >= 28000000){
+                                       val1 |= 0xc0;
+                               }else if (c->symbol_rate >= 18000000){
+                                       val2 |= 0x40;
+                               }else{
+                                       val1 |= 0x80;
+                                       val2 |= 0x40;
+                               }                               
+                       }
+                       m88ds3103_writereg(state, 0x22, val1);
+                       m88ds3103_writereg(state, 0x24, val2);                  
                
+               }
+               
+               if(state->config->ci_mode)
+                       val1 = 0x03;
+               else if(state->config->ts_mode)
+                       val1 = 0x06;
+               else
+                       val1 = 0x42;
+               m88ds3103_writereg(state, 0xfd, val1);
+               
+               break;
+       default:
+               return 1;
+       }
+       /* disable 27MHz clock output */
+       m88ds3103_writereg(state, 0x29, 0x80);
+       /* enable ac coupling */
+       m88ds3103_writereg(state, 0x25, 0x8a);
+
+       if ((c->symbol_rate / 1000) <= 3000){
+               m88ds3103_writereg(state, 0xc3, 0x08); /* 8 * 32 * 100 / 64 = 
400*/
+               m88ds3103_writereg(state, 0xc8, 0x20);
+               m88ds3103_writereg(state, 0xc4, 0x08); /* 8 * 0 * 100 / 128 = 
0*/
+               m88ds3103_writereg(state, 0xc7, 0x00);
+       }else if((c->symbol_rate / 1000) <= 10000){
+               m88ds3103_writereg(state, 0xc3, 0x08); /* 8 * 16 * 100 / 64 = 
200*/
+               m88ds3103_writereg(state, 0xc8, 0x10);
+               m88ds3103_writereg(state, 0xc4, 0x08); /* 8 * 0 * 100 / 128 = 
0*/
+               m88ds3103_writereg(state, 0xc7, 0x00);
+       }else{
+               m88ds3103_writereg(state, 0xc3, 0x08); /* 8 * 6 * 100 / 64 = 
75*/
+               m88ds3103_writereg(state, 0xc8, 0x06);
+               m88ds3103_writereg(state, 0xc4, 0x08); /* 8 * 0 * 100 / 128 = 
0*/
+               m88ds3103_writereg(state, 0xc7, 0x00);
+       }
+
+       m88ds3103_set_symrate(fe);
+       
+       m88ds3103_set_CCI(fe);
+
+       m88ds3103_set_carrier_offset(fe, carrier_offset_khz);
+               
+       /* ds3000 out of software reset */
+       m88ds3103_writereg(state, 0x00, 0x00);
+       /* start ds3000 build-in uC */
+       m88ds3103_writereg(state, 0xb2, 0x00);  
+       
+       return 0;
+}
+
+static int m88ds3103_set_frontend(struct dvb_frontend *fe)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+
+       int i;
+       fe_status_t status;
+       u8 lpf_mxdiv, mlpf_max, mlpf_min, nlpf, div4, capCode, changePLL;
+       s32 offset_khz, lpf_offset_KHz;
+       u16 value, ndiv, lpf_coeff;
+       u32 f3db, gdiv28, realFreq;
+       u8 RFgain;
+
+       dprintk("%s() ", __func__);
+       dprintk("c frequency = %d\n", c->frequency);
+       dprintk("symbol rate = %d\n", c->symbol_rate);
+       dprintk("delivery system = %d\n", c->delivery_system);
+       
+       realFreq = c->frequency;
+       lpf_offset_KHz = 0;
+       if(c->symbol_rate < 5000000){
+               lpf_offset_KHz = FREQ_OFFSET_AT_SMALL_SYM_RATE_KHz;
+               realFreq += FREQ_OFFSET_AT_SMALL_SYM_RATE_KHz;
+       }
+       
+       if (state->config->set_ts_params)
+               state->config->set_ts_params(fe, 0);
+
+       div4 = 0;
+       RFgain = 0;
+       if(state->tuner_id == TS2022_ID){
+               m88ds3103_tuner_writereg(state, 0x10, 0x0a);
+               m88ds3103_tuner_writereg(state, 0x11, 0x40);
+               if (realFreq < 1103000) {
+                       m88ds3103_tuner_writereg(state, 0x10, 0x1b);
+                       div4 = 1;
+                       ndiv = (realFreq * (6 + 8) * 4)/MT_FE_CRYSTAL_KHZ;      
                        
+               }else {
+                       ndiv = (realFreq * (6 + 8) * 2)/MT_FE_CRYSTAL_KHZ;
+               }
+               ndiv = ndiv + ndiv%2;
+               if(ndiv < 4095)
+                       ndiv = ndiv - 1024;
+               else if (ndiv < 6143)
+                       ndiv = ndiv + 1024;
+               else
+                       ndiv = ndiv + 3072;     
+               
+               m88ds3103_tuner_writereg(state, 0x01, (ndiv & 0x3f00) >> 8);    
                                                                                
+       }else{
+               m88ds3103_tuner_writereg(state, 0x10, 0x00);                    
+               if (realFreq < 1146000){
+                       m88ds3103_tuner_writereg(state, 0x10, 0x11);
+                       div4 = 1;
+                       ndiv = (realFreq * (6 + 8) * 4) / MT_FE_CRYSTAL_KHZ;
+               }else{
+                       m88ds3103_tuner_writereg(state, 0x10, 0x01);
+                       ndiv = (realFreq * (6 + 8) * 2) / MT_FE_CRYSTAL_KHZ;
+               }
+               ndiv = ndiv + ndiv%2;
+               ndiv = ndiv - 1024;
+               m88ds3103_tuner_writereg(state, 0x01, (ndiv>>8)&0x0f);
+       }
+       /* set pll */
+       m88ds3103_tuner_writereg(state, 0x02, ndiv & 0x00ff);
+       m88ds3103_tuner_writereg(state, 0x03, 0x06);
+       m88ds3103_tuner_writereg(state, 0x51, 0x0f);
+       m88ds3103_tuner_writereg(state, 0x51, 0x1f);
+       m88ds3103_tuner_writereg(state, 0x50, 0x10);
+       m88ds3103_tuner_writereg(state, 0x50, 0x00);    
+
+       if(state->tuner_id == TS2022_ID){
+               if(( realFreq >= 1650000 ) && (realFreq <= 1850000)){
+                       msleep(5);
+                       value = m88ds3103_tuner_readreg(state, 0x14);
+                       value &= 0x7f;
+                       if(value < 64){
+                               m88ds3103_tuner_writereg(state, 0x10, 0x82);
+                               m88ds3103_tuner_writereg(state, 0x11, 0x6f);
+
+                               m88ds3103_tuner_writereg(state, 0x51, 0x0f);
+                               m88ds3103_tuner_writereg(state, 0x51, 0x1f);
+                               m88ds3103_tuner_writereg(state, 0x50, 0x10);
+                               m88ds3103_tuner_writereg(state, 0x50, 0x00);
+                       }
+               }
+               msleep(5);
+               value = m88ds3103_tuner_readreg(state, 0x14);
+               value &= 0x1f;
+
+               if(value > 19){
+                       value = m88ds3103_tuner_readreg(state, 0x10);
+                       value &= 0x1d;
+                       m88ds3103_tuner_writereg(state, 0x10, value);
+               }                               
+       }else{
+               msleep(5);
+               value = m88ds3103_tuner_readreg(state, 0x66);
+               changePLL = (((value & 0x80) >> 7) != div4);
+
+               if(changePLL){
+                       m88ds3103_tuner_writereg(state, 0x10, 0x11);
+                       div4 = 1;
+                       ndiv = (realFreq * (6 + 8) * 4)/MT_FE_CRYSTAL_KHZ;
+                       ndiv = ndiv + ndiv%2;
+                       ndiv = ndiv - 1024;
+                                       
+                       m88ds3103_tuner_writereg(state, 0x01, (ndiv>>8) & 0x0f);
+                       m88ds3103_tuner_writereg(state, 0x02, ndiv & 0xff);
+                       
+                       m88ds3103_tuner_writereg(state, 0x51, 0x0f);
+                       m88ds3103_tuner_writereg(state, 0x51, 0x1f);
+                       m88ds3103_tuner_writereg(state, 0x50, 0x10);
+                       m88ds3103_tuner_writereg(state, 0x50, 0x00);
+               }               
+       }
+       /*set the RF gain*/
+       if(state->tuner_id == TS2020_ID)
+               m88ds3103_tuner_writereg(state, 0x60, 0x79);
+                       
+       m88ds3103_tuner_writereg(state, 0x51, 0x17);
+       m88ds3103_tuner_writereg(state, 0x51, 0x1f);
+       m88ds3103_tuner_writereg(state, 0x50, 0x08);
+       m88ds3103_tuner_writereg(state, 0x50, 0x00);
+       msleep(5);
+
+       if(state->tuner_id == TS2020_ID){
+               RFgain = m88ds3103_tuner_readreg(state, 0x3d);
+               RFgain &= 0x0f;
+               if(RFgain < 15){
+                       if(RFgain < 4) 
+                               RFgain = 0;
+                       else
+                               RFgain = RFgain -3;
+                       value = ((RFgain << 3) | 0x01) & 0x79;
+                       m88ds3103_tuner_writereg(state, 0x60, value);
+                       m88ds3103_tuner_writereg(state, 0x51, 0x17);
+                       m88ds3103_tuner_writereg(state, 0x51, 0x1f);
+                       m88ds3103_tuner_writereg(state, 0x50, 0x08);
+                       m88ds3103_tuner_writereg(state, 0x50, 0x00);
+               }
+       }
+       
+       /* set the LPF */
+       if(state->tuner_id == TS2022_ID){
+               m88ds3103_tuner_writereg(state, 0x25, 0x00);
+               m88ds3103_tuner_writereg(state, 0x27, 0x70);
+               m88ds3103_tuner_writereg(state, 0x41, 0x09);
+               m88ds3103_tuner_writereg(state, 0x08, 0x0b);
+       }
+
+       f3db = ((c->symbol_rate / 1000) *135) / 200 + 2000;
+       f3db += lpf_offset_KHz;
+       if (f3db < 7000)
+               f3db = 7000;
+       if (f3db > 40000)
+               f3db = 40000;
+                       
+       gdiv28 = (MT_FE_CRYSTAL_KHZ / 1000 * 1694 + 500) / 1000;
+       m88ds3103_tuner_writereg(state, 0x04, gdiv28 & 0xff);
+       m88ds3103_tuner_writereg(state, 0x51, 0x1b);
+       m88ds3103_tuner_writereg(state, 0x51, 0x1f);
+       m88ds3103_tuner_writereg(state, 0x50, 0x04);
+       m88ds3103_tuner_writereg(state, 0x50, 0x00);
+       msleep(5);
+
+       value = m88ds3103_tuner_readreg(state, 0x26);
+       capCode = value & 0x3f;
+       if(state->tuner_id == TS2022_ID){
+               m88ds3103_tuner_writereg(state, 0x41, 0x0d);
+
+               m88ds3103_tuner_writereg(state, 0x51, 0x1b);
+               m88ds3103_tuner_writereg(state, 0x51, 0x1f);
+               m88ds3103_tuner_writereg(state, 0x50, 0x04);
+               m88ds3103_tuner_writereg(state, 0x50, 0x00);
+
+               msleep(2);
+
+               value = m88ds3103_tuner_readreg(state, 0x26);
+               value &= 0x3f;
+               value = (capCode + value) / 2;          
+       }
+       else
+               value = capCode;
+               
+       gdiv28 = gdiv28 * 207 / (value * 2 + 151);      
+       mlpf_max = gdiv28 * 135 / 100;
+       mlpf_min = gdiv28 * 78 / 100;
+       if (mlpf_max > 63)
+               mlpf_max = 63;
+
+       if(state->tuner_id == TS2022_ID)
+               lpf_coeff = 3200;
+       else
+               lpf_coeff = 2766;
+               
+       nlpf = (f3db * gdiv28 * 2 / lpf_coeff / (MT_FE_CRYSTAL_KHZ / 1000)  + 
1) / 2 ;  
+       if (nlpf > 23) nlpf = 23;
+       if (nlpf < 1) nlpf = 1;
+
+       lpf_mxdiv = (nlpf * (MT_FE_CRYSTAL_KHZ / 1000) * lpf_coeff * 2 / f3db + 
1) / 2;
+
+       if (lpf_mxdiv < mlpf_min){
+               nlpf++;
+               lpf_mxdiv = (nlpf * (MT_FE_CRYSTAL_KHZ / 1000) * lpf_coeff * 2  
/ f3db + 1) / 2;
+       }
+
+       if (lpf_mxdiv > mlpf_max)
+               lpf_mxdiv = mlpf_max;
+
+       m88ds3103_tuner_writereg(state, 0x04, lpf_mxdiv);
+       m88ds3103_tuner_writereg(state, 0x06, nlpf);
+       m88ds3103_tuner_writereg(state, 0x51, 0x1b);
+       m88ds3103_tuner_writereg(state, 0x51, 0x1f);
+       m88ds3103_tuner_writereg(state, 0x50, 0x04);
+       m88ds3103_tuner_writereg(state, 0x50, 0x00);
+       msleep(5);
+       
+       if(state->tuner_id == TS2022_ID){
+               msleep(2);
+               value = m88ds3103_tuner_readreg(state, 0x26);
+               capCode = value & 0x3f;
+
+               m88ds3103_tuner_writereg(state, 0x41, 0x09);
+
+               m88ds3103_tuner_writereg(state, 0x51, 0x1b);
+               m88ds3103_tuner_writereg(state, 0x51, 0x1f);
+               m88ds3103_tuner_writereg(state, 0x50, 0x04);
+               m88ds3103_tuner_writereg(state, 0x50, 0x00);
+
+               msleep(2);
+               value = m88ds3103_tuner_readreg(state, 0x26);
+               value &= 0x3f;
+               value = (capCode + value) / 2;
+
+               value = value | 0x80;
+               m88ds3103_tuner_writereg(state, 0x25, value);
+               m88ds3103_tuner_writereg(state, 0x27, 0x30);
+
+               m88ds3103_tuner_writereg(state, 0x08, 0x09);            
+       }
+
+       /* Set the BB gain */
+       m88ds3103_tuner_writereg(state, 0x51, 0x1e);
+       m88ds3103_tuner_writereg(state, 0x51, 0x1f);
+       m88ds3103_tuner_writereg(state, 0x50, 0x01);
+       m88ds3103_tuner_writereg(state, 0x50, 0x00);
+       if(state->tuner_id == TS2020_ID){
+               if(RFgain == 15){
+                       msleep(40);
+                       value = m88ds3103_tuner_readreg(state, 0x21);
+                       value &= 0x0f;
+                       if(value < 3){
+                               m88ds3103_tuner_writereg(state, 0x60, 0x61);
+                               m88ds3103_tuner_writereg(state, 0x51, 0x17);
+                               m88ds3103_tuner_writereg(state, 0x51, 0x1f);
+                               m88ds3103_tuner_writereg(state, 0x50, 0x08);
+                               m88ds3103_tuner_writereg(state, 0x50, 0x00);
+                       }                       
+               }
+       }
+       msleep(60);
+       
+       offset_khz = (ndiv - ndiv % 2 + 1024) * MT_FE_CRYSTAL_KHZ
+               / (6 + 8) / (div4 + 1) / 2 - realFreq;
+
+       m88ds3103_demod_connect(fe, offset_khz+lpf_offset_KHz);
+
+       for (i = 0; i < 30 ; i++) {
+               m88ds3103_read_status(fe, &status);
+               if (status & FE_HAS_LOCK){
+                       break;
+                }
+               msleep(20);
+       }
+       
+       if((status & FE_HAS_LOCK) == 0){
+               state->delivery_system = (state->delivery_system == SYS_DVBS) ? 
SYS_DVBS2 : SYS_DVBS;
+               m88ds3103_demod_connect(fe, offset_khz);
+       
+               for (i = 0; i < 30 ; i++) {
+                       m88ds3103_read_status(fe, &status);
+                       if (status & FE_HAS_LOCK){
+                               break;
+                       }
+                       msleep(20);
+               }
+       }
+       
+       if (status & FE_HAS_LOCK){
+               if(state->config->start_ctrl){
+                       if(state->first_lock == 0){
+                               state->config->start_ctrl(fe);
+                               state->first_lock = 1;  
+                       }
+               }               
+       }
+               
+       return 0;
+}
+
+static int m88ds3103_tune(struct dvb_frontend *fe,
+                       bool re_tune,
+                       unsigned int mode_flags,
+                       unsigned int *delay,
+                       fe_status_t *status)
+{      
+       *delay = HZ / 5;
+       
+       dprintk("%s() ", __func__);
+       dprintk("re_tune = %d\n", re_tune);
+       
+       if (re_tune) {
+               int ret = m88ds3103_set_frontend(fe);
+               if (ret)
+                       return ret;
+       }
+       
+       return m88ds3103_read_status(fe, status);
+}
+
+static enum dvbfe_algo m88ds3103_get_algo(struct dvb_frontend *fe)
+{
+       return DVBFE_ALGO_HW;
+}
+ 
+ /*
+ * Power config will reset and load initial firmware if required
+ */
+static int m88ds3103_initilaze(struct dvb_frontend *fe)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       int ret;
+
+       dprintk("%s()\n", __func__);
+       /* hard reset */
+       m88ds3103_writereg(state, 0x07, 0x80);
+       m88ds3103_writereg(state, 0x07, 0x00);
+       msleep(1);
+       
+       m88ds3103_writereg(state, 0x08, 0x01 | m88ds3103_readreg(state, 0x08));
+       msleep(1);
+
+       if(state->tuner_id == TS2020_ID){
+               /* TS2020 init */
+               m88ds3103_tuner_writereg(state, 0x42, 0x73);
+               msleep(2);
+               m88ds3103_tuner_writereg(state, 0x05, 0x01);
+               m88ds3103_tuner_writereg(state, 0x62, 0xb5);
+               m88ds3103_tuner_writereg(state, 0x07, 0x02);
+               m88ds3103_tuner_writereg(state, 0x08, 0x01);
+       }
+       else if(state->tuner_id == TS2022_ID){
+               /* TS2022 init */
+               m88ds3103_tuner_writereg(state, 0x62, 0x6c);
+               msleep(2);
+               m88ds3103_tuner_writereg(state, 0x42, 0x6c);
+               msleep(2);
+               m88ds3103_tuner_writereg(state, 0x7d, 0x9d);
+               m88ds3103_tuner_writereg(state, 0x7c, 0x9a);
+               m88ds3103_tuner_writereg(state, 0x7a, 0x76);
+
+               m88ds3103_tuner_writereg(state, 0x3b, 0x01);
+               m88ds3103_tuner_writereg(state, 0x63, 0x88);
+
+               m88ds3103_tuner_writereg(state, 0x61, 0x85);
+               m88ds3103_tuner_writereg(state, 0x22, 0x30);
+               m88ds3103_tuner_writereg(state, 0x30, 0x40);
+               m88ds3103_tuner_writereg(state, 0x20, 0x23);
+               m88ds3103_tuner_writereg(state, 0x24, 0x02);
+               m88ds3103_tuner_writereg(state, 0x12, 0xa0);    
+       }
+               
+       if(state->demod_id == DS3103_ID){
+               m88ds3103_writereg(state, 0x07, 0xe0);
+               m88ds3103_writereg(state, 0x07, 0x00);
+               msleep(1);              
+       }
+       m88ds3103_writereg(state, 0xb2, 0x01);
+       
+       /* Load the firmware if required */
+       ret = m88ds3103_load_firmware(fe);
+       if (ret != 0){
+               printk(KERN_ERR "%s: Unable initialize firmware\n", __func__);
+               return ret;
+       }
+       if(state->demod_id == DS3103_ID){
+               m88ds3103_writereg(state, 0x4d, 0xfd & m88ds3103_readreg(state, 
0x4d));
+               m88ds3103_writereg(state, 0x30, 0xef & m88ds3103_readreg(state, 
0x30));         
+       }
+
+       return 0;
+}
+
+/*
+ * Initialise or wake up device
+ */
+static int m88ds3103_initfe(struct dvb_frontend *fe)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+       u8 val;
+
+       dprintk("%s()\n", __func__);
+
+       /* 1st step to wake up demod */
+       m88ds3103_writereg(state, 0x08, 0x01 | m88ds3103_readreg(state, 0x08));
+       m88ds3103_writereg(state, 0x04, 0xfe & m88ds3103_readreg(state, 0x04));
+       m88ds3103_writereg(state, 0x23, 0xef & m88ds3103_readreg(state, 0x23));
+       
+       /* 2nd step to wake up tuner */
+       val = m88ds3103_tuner_readreg(state, 0x00) & 0xff;
+       if((val & 0x01) == 0){
+               m88ds3103_tuner_writereg(state, 0x00, 0x01);
+               msleep(50);
+       }
+       m88ds3103_tuner_writereg(state, 0x00, 0x03);
+       msleep(50);
+       
+       return 0;       
+}
+
+/* Put device to sleep */
+static int m88ds3103_sleep(struct dvb_frontend *fe)
+{
+       struct m88ds3103_state *state = fe->demodulator_priv;
+
+       dprintk("%s()\n", __func__);
+       
+       /* 1st step to sleep tuner */
+       m88ds3103_tuner_writereg(state, 0x00, 0x00);
+       
+       /* 2nd step to sleep demod */
+       m88ds3103_writereg(state, 0x08, 0xfe & m88ds3103_readreg(state, 0x08));
+       m88ds3103_writereg(state, 0x04, 0x01 | m88ds3103_readreg(state, 0x04));
+       m88ds3103_writereg(state, 0x23, 0x10 | m88ds3103_readreg(state, 0x23));
+       
+
+       return 0;
+}
+
+static struct dvb_frontend_ops m88ds3103_ops = {
+       .delsys = { SYS_DVBS, SYS_DVBS2},
+       .info = {
+               .name = "Montage DS3103/TS2022",
+               .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_2G_MODULATION |
+                       FE_CAN_QPSK | FE_CAN_RECOVER
+       },
+
+       .release = m88ds3103_release,
+
+       .init = m88ds3103_initfe,
+       .sleep = m88ds3103_sleep,
+       .read_status = m88ds3103_read_status,
+       .read_ber = m88ds3103_read_ber,
+       .read_signal_strength = m88ds3103_read_signal_strength,
+       .read_snr = m88ds3103_read_snr,
+       .read_ucblocks = m88ds3103_read_ucblocks,
+       .set_tone = m88ds3103_set_tone,
+       .set_voltage = m88ds3103_set_voltage,
+       .diseqc_send_master_cmd = m88ds3103_send_diseqc_msg,
+       .diseqc_send_burst = m88ds3103_diseqc_send_burst,
+       .get_frontend_algo = m88ds3103_get_algo,
+       .tune = m88ds3103_tune,
+       .set_frontend = m88ds3103_set_frontend,
+};
+
+MODULE_DESCRIPTION("DVB Frontend module for Montage DS3103/TS2022 hardware");
+MODULE_AUTHOR("Max nibble");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb/frontends/m88ds3103.h 
b/drivers/media/dvb/frontends/m88ds3103.h
new file mode 100644
index 0000000..c7b690e
--- /dev/null
+++ b/drivers/media/dvb/frontends/m88ds3103.h
@@ -0,0 +1,53 @@
+/*
+    Montage Technology M88DS3103/M88TS2022 - DVBS/S2 Satellite demod/tuner 
driver
+
+    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 M88DS3103_H
+#define M88DS3103_H
+
+#include <linux/dvb/frontend.h>
+
+struct m88ds3103_config {
+       /* the demodulator's i2c address */
+       u8 demod_address;
+       u8 ci_mode;
+       u8 pin_ctrl;
+       u8 ts_mode; /* 0: Parallel, 1: Serial */
+
+       /* Set device param to start dma */
+       int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
+    /* Start to transfer data */
+    int (*start_ctrl)(struct dvb_frontend *fe);
+    /* Set LNB voltage */
+    int (*set_voltage)(struct dvb_frontend* fe, fe_sec_voltage_t voltage);
+};
+
+#if defined(CONFIG_DVB_M88DS3103) || \
+       (defined(CONFIG_DVB_M88DS3103_MODULE) && defined(MODULE))
+extern struct dvb_frontend *m88ds3103_attach(
+       const struct m88ds3103_config *config,
+       struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *m88ds3103_attach(
+       const struct m88ds3103_config *config,
+       struct i2c_adapter *i2c)
+{
+       printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+       return NULL;
+}
+#endif /* CONFIG_DVB_M88DS3103 */
+#endif /* M88DS3103_H */
-- 
1.7.9.5

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