help
Say Y here to include support for the MT2032 / MT2050 tuner.
+config DVB_TUNER_MT2060
+ tristate "Microtune MT2060 silicon IF tuner"
+ depends on I2C
+ default m if DVB_FE_CUSTOMISE
+ help
+ A driver for the silicon IF tuner MT2060 from Microtune.
+
+config DVB_TUNER_MT2266
+ tristate "Microtune MT2266 silicon tuner"
+ depends on I2C
+ default m if DVB_FE_CUSTOMISE
+ help
+ A driver for the silicon baseband tuner MT2266 from Microtune.
+
+config DVB_TUNER_MT2131
+ tristate "Microtune MT2131 silicon tuner"
+ depends on I2C
+ default m if DVB_FE_CUSTOMISE
+ help
+ A driver for the silicon baseband tuner MT2131 from Microtune.
+
+config DVB_TUNER_QT1010
+ tristate "Quantek QT1010 silicon tuner"
+ depends on DVB_CORE && I2C
+ default m if DVB_FE_CUSTOMISE
+ help
+ A driver for the silicon tuner QT1010 from Quantek.
+
config TUNER_XC2028
tristate "XCeive xc2028/xc3028 tuners"
depends on I2C && FW_LOADER
obj-$(CONFIG_DVB_TDA827X) += tda827x.o
obj-$(CONFIG_DVB_TDA18271) += tda18271.o
obj-$(CONFIG_DVB_TUNER_XC5000) += xc5000.o
+obj-$(CONFIG_DVB_TUNER_MT2060) += mt2060.o
+obj-$(CONFIG_DVB_TUNER_MT2266) += mt2266.o
+obj-$(CONFIG_DVB_TUNER_QT1010) += qt1010.o
+obj-$(CONFIG_DVB_TUNER_MT2131) += mt2131.o
EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
--- /dev/null
+/*
+ * Driver for Microtune MT2060 "Single chip dual conversion broadband tuner"
+ *
+ * Copyright (c) 2006 Olivier DANET <odanet@caramail.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.=
+ */
+
+/* In that file, frequencies are expressed in kiloHertz to avoid 32 bits overflows */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/dvb/frontend.h>
+#include <linux/i2c.h>
+
+#include "dvb_frontend.h"
+
+#include "mt2060.h"
+#include "mt2060_priv.h"
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
+
+#define dprintk(args...) do { if (debug) {printk(KERN_DEBUG "MT2060: " args); printk("\n"); }} while (0)
+
+// Reads a single register
+static int mt2060_readreg(struct mt2060_priv *priv, u8 reg, u8 *val)
+{
+ struct i2c_msg msg[2] = {
+ { .addr = priv->cfg->i2c_address, .flags = 0, .buf = ®, .len = 1 },
+ { .addr = priv->cfg->i2c_address, .flags = I2C_M_RD, .buf = val, .len = 1 },
+ };
+
+ if (i2c_transfer(priv->i2c, msg, 2) != 2) {
+ printk(KERN_WARNING "mt2060 I2C read failed\n");
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+
+// Writes a single register
+static int mt2060_writereg(struct mt2060_priv *priv, u8 reg, u8 val)
+{
+ u8 buf[2] = { reg, val };
+ struct i2c_msg msg = {
+ .addr = priv->cfg->i2c_address, .flags = 0, .buf = buf, .len = 2
+ };
+
+ if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
+ printk(KERN_WARNING "mt2060 I2C write failed\n");
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+
+// Writes a set of consecutive registers
+static int mt2060_writeregs(struct mt2060_priv *priv,u8 *buf, u8 len)
+{
+ struct i2c_msg msg = {
+ .addr = priv->cfg->i2c_address, .flags = 0, .buf = buf, .len = len
+ };
+ if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
+ printk(KERN_WARNING "mt2060 I2C write failed (len=%i)\n",(int)len);
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+
+// Initialisation sequences
+// LNABAND=3, NUM1=0x3C, DIV1=0x74, NUM2=0x1080, DIV2=0x49
+static u8 mt2060_config1[] = {
+ REG_LO1C1,
+ 0x3F, 0x74, 0x00, 0x08, 0x93
+};
+
+// FMCG=2, GP2=0, GP1=0
+static u8 mt2060_config2[] = {
+ REG_MISC_CTRL,
+ 0x20, 0x1E, 0x30, 0xff, 0x80, 0xff, 0x00, 0x2c, 0x42
+};
+
+// VGAG=3, V1CSE=1
+
+#ifdef MT2060_SPURCHECK
+/* The function below calculates the frequency offset between the output frequency if2
+ and the closer cross modulation subcarrier between lo1 and lo2 up to the tenth harmonic */
+static int mt2060_spurcalc(u32 lo1,u32 lo2,u32 if2)
+{
+ int I,J;
+ int dia,diamin,diff;
+ diamin=1000000;
+ for (I = 1; I < 10; I++) {
+ J = ((2*I*lo1)/lo2+1)/2;
+ diff = I*(int)lo1-J*(int)lo2;
+ if (diff < 0) diff=-diff;
+ dia = (diff-(int)if2);
+ if (dia < 0) dia=-dia;
+ if (diamin > dia) diamin=dia;
+ }
+ return diamin;
+}
+
+#define BANDWIDTH 4000 // kHz
+
+/* Calculates the frequency offset to add to avoid spurs. Returns 0 if no offset is needed */
+static int mt2060_spurcheck(u32 lo1,u32 lo2,u32 if2)
+{
+ u32 Spur,Sp1,Sp2;
+ int I,J;
+ I=0;
+ J=1000;
+
+ Spur=mt2060_spurcalc(lo1,lo2,if2);
+ if (Spur < BANDWIDTH) {
+ /* Potential spurs detected */
+ dprintk("Spurs before : f_lo1: %d f_lo2: %d (kHz)",
+ (int)lo1,(int)lo2);
+ I=1000;
+ Sp1 = mt2060_spurcalc(lo1+I,lo2+I,if2);
+ Sp2 = mt2060_spurcalc(lo1-I,lo2-I,if2);
+
+ if (Sp1 < Sp2) {
+ J=-J; I=-I; Spur=Sp2;
+ } else
+ Spur=Sp1;
+
+ while (Spur < BANDWIDTH) {
+ I += J;
+ Spur = mt2060_spurcalc(lo1+I,lo2+I,if2);
+ }
+ dprintk("Spurs after : f_lo1: %d f_lo2: %d (kHz)",
+ (int)(lo1+I),(int)(lo2+I));
+ }
+ return I;
+}
+#endif
+
+#define IF2 36150 // IF2 frequency = 36.150 MHz
+#define FREF 16000 // Quartz oscillator 16 MHz
+
+static int mt2060_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
+{
+ struct mt2060_priv *priv;
+ int ret=0;
+ int i=0;
+ u32 freq;
+ u8 lnaband;
+ u32 f_lo1,f_lo2;
+ u32 div1,num1,div2,num2;
+ u8 b[8];
+ u32 if1;
+
+ priv = fe->tuner_priv;
+
+ if1 = priv->if1_freq;
+ b[0] = REG_LO1B1;
+ b[1] = 0xFF;
+
+ mt2060_writeregs(priv,b,2);
+
+ freq = params->frequency / 1000; // Hz -> kHz
+ priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
+
+ f_lo1 = freq + if1 * 1000;
+ f_lo1 = (f_lo1 / 250) * 250;
+ f_lo2 = f_lo1 - freq - IF2;
+ // From the Comtech datasheet, the step used is 50kHz. The tuner chip could be more precise
+ f_lo2 = ((f_lo2 + 25) / 50) * 50;
+ priv->frequency = (f_lo1 - f_lo2 - IF2) * 1000,
+
+#ifdef MT2060_SPURCHECK
+ // LO-related spurs detection and correction
+ num1 = mt2060_spurcheck(f_lo1,f_lo2,IF2);
+ f_lo1 += num1;
+ f_lo2 += num1;
+#endif
+ //Frequency LO1 = 16MHz * (DIV1 + NUM1/64 )
+ num1 = f_lo1 / (FREF / 64);
+ div1 = num1 / 64;
+ num1 &= 0x3f;
+
+ // Frequency LO2 = 16MHz * (DIV2 + NUM2/8192 )
+ num2 = f_lo2 * 64 / (FREF / 128);
+ div2 = num2 / 8192;
+ num2 &= 0x1fff;
+
+ if (freq <= 95000) lnaband = 0xB0; else
+ if (freq <= 180000) lnaband = 0xA0; else
+ if (freq <= 260000) lnaband = 0x90; else
+ if (freq <= 335000) lnaband = 0x80; else
+ if (freq <= 425000) lnaband = 0x70; else
+ if (freq <= 480000) lnaband = 0x60; else
+ if (freq <= 570000) lnaband = 0x50; else
+ if (freq <= 645000) lnaband = 0x40; else
+ if (freq <= 730000) lnaband = 0x30; else
+ if (freq <= 810000) lnaband = 0x20; else lnaband = 0x10;
+
+ b[0] = REG_LO1C1;
+ b[1] = lnaband | ((num1 >>2) & 0x0F);
+ b[2] = div1;
+ b[3] = (num2 & 0x0F) | ((num1 & 3) << 4);
+ b[4] = num2 >> 4;
+ b[5] = ((num2 >>12) & 1) | (div2 << 1);
+
+ dprintk("IF1: %dMHz",(int)if1);
+ dprintk("PLL freq=%dkHz f_lo1=%dkHz f_lo2=%dkHz",(int)freq,(int)f_lo1,(int)f_lo2);
+ dprintk("PLL div1=%d num1=%d div2=%d num2=%d",(int)div1,(int)num1,(int)div2,(int)num2);
+ dprintk("PLL [1..5]: %2x %2x %2x %2x %2x",(int)b[1],(int)b[2],(int)b[3],(int)b[4],(int)b[5]);
+
+ mt2060_writeregs(priv,b,6);
+
+ //Waits for pll lock or timeout
+ i = 0;
+ do {
+ mt2060_readreg(priv,REG_LO_STATUS,b);
+ if ((b[0] & 0x88)==0x88)
+ break;
+ msleep(4);
+ i++;
+ } while (i<10);
+
+ return ret;
+}
+
+static void mt2060_calibrate(struct mt2060_priv *priv)
+{
+ u8 b = 0;
+ int i = 0;
+
+ if (mt2060_writeregs(priv,mt2060_config1,sizeof(mt2060_config1)))
+ return;
+ if (mt2060_writeregs(priv,mt2060_config2,sizeof(mt2060_config2)))
+ return;
+
+ /* initialize the clock output */
+ mt2060_writereg(priv, REG_VGAG, (priv->cfg->clock_out << 6) | 0x30);
+
+ do {
+ b |= (1 << 6); // FM1SS;
+ mt2060_writereg(priv, REG_LO2C1,b);
+ msleep(20);
+
+ if (i == 0) {
+ b |= (1 << 7); // FM1CA;
+ mt2060_writereg(priv, REG_LO2C1,b);
+ b &= ~(1 << 7); // FM1CA;
+ msleep(20);
+ }
+
+ b &= ~(1 << 6); // FM1SS
+ mt2060_writereg(priv, REG_LO2C1,b);
+
+ msleep(20);
+ i++;
+ } while (i < 9);
+
+ i = 0;
+ while (i++ < 10 && mt2060_readreg(priv, REG_MISC_STAT, &b) == 0 && (b & (1 << 6)) == 0)
+ msleep(20);
+
+ if (i < 10) {
+ mt2060_readreg(priv, REG_FM_FREQ, &priv->fmfreq); // now find out, what is fmreq used for :)
+ dprintk("calibration was successful: %d", (int)priv->fmfreq);
+ } else
+ dprintk("FMCAL timed out");
+}
+
+static int mt2060_get_frequency(struct dvb_frontend *fe, u32 *frequency)
+{
+ struct mt2060_priv *priv = fe->tuner_priv;
+ *frequency = priv->frequency;
+ return 0;
+}
+
+static int mt2060_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
+{
+ struct mt2060_priv *priv = fe->tuner_priv;
+ *bandwidth = priv->bandwidth;
+ return 0;
+}
+
+static int mt2060_init(struct dvb_frontend *fe)
+{
+ struct mt2060_priv *priv = fe->tuner_priv;
+ return mt2060_writereg(priv, REG_VGAG, (priv->cfg->clock_out << 6) | 0x33);
+}
+
+static int mt2060_sleep(struct dvb_frontend *fe)
+{
+ struct mt2060_priv *priv = fe->tuner_priv;
+ return mt2060_writereg(priv, REG_VGAG, (priv->cfg->clock_out << 6) | 0x30);
+}
+
+static int mt2060_release(struct dvb_frontend *fe)
+{
+ kfree(fe->tuner_priv);
+ fe->tuner_priv = NULL;
+ return 0;
+}
+
+static const struct dvb_tuner_ops mt2060_tuner_ops = {
+ .info = {
+ .name = "Microtune MT2060",
+ .frequency_min = 48000000,
+ .frequency_max = 860000000,
+ .frequency_step = 50000,
+ },
+
+ .release = mt2060_release,
+
+ .init = mt2060_init,
+ .sleep = mt2060_sleep,
+
+ .set_params = mt2060_set_params,
+ .get_frequency = mt2060_get_frequency,
+ .get_bandwidth = mt2060_get_bandwidth
+};
+
+/* This functions tries to identify a MT2060 tuner by reading the PART/REV register. This is hasty. */
+struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2060_config *cfg, u16 if1)
+{
+ struct mt2060_priv *priv = NULL;
+ u8 id = 0;
+
+ priv = kzalloc(sizeof(struct mt2060_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return NULL;
+
+ priv->cfg = cfg;
+ priv->i2c = i2c;
+ priv->if1_freq = if1;
+
+ if (mt2060_readreg(priv,REG_PART_REV,&id) != 0) {
+ kfree(priv);
+ return NULL;
+ }
+
+ if (id != PART_REV) {
+ kfree(priv);
+ return NULL;
+ }
+ printk(KERN_INFO "MT2060: successfully identified (IF1 = %d)\n", if1);
+ memcpy(&fe->ops.tuner_ops, &mt2060_tuner_ops, sizeof(struct dvb_tuner_ops));
+
+ fe->tuner_priv = priv;
+
+ mt2060_calibrate(priv);
+
+ return fe;
+}
+EXPORT_SYMBOL(mt2060_attach);
+
+MODULE_AUTHOR("Olivier DANET");
+MODULE_DESCRIPTION("Microtune MT2060 silicon tuner driver");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * Driver for Microtune MT2060 "Single chip dual conversion broadband tuner"
+ *
+ * Copyright (c) 2006 Olivier DANET <odanet@caramail.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 MT2060_H
+#define MT2060_H
+
+struct dvb_frontend;
+struct i2c_adapter;
+
+struct mt2060_config {
+ u8 i2c_address;
+ u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */
+};
+
+#if defined(CONFIG_DVB_TUNER_MT2060) || (defined(CONFIG_DVB_TUNER_MT2060_MODULE) && defined(MODULE))
+extern struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2060_config *cfg, u16 if1);
+#else
+static inline struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2060_config *cfg, u16 if1)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif // CONFIG_DVB_TUNER_MT2060
+
+#endif
--- /dev/null
+/*
+ * Driver for Microtune MT2060 "Single chip dual conversion broadband tuner"
+ *
+ * Copyright (c) 2006 Olivier DANET <odanet@caramail.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 MT2060_PRIV_H
+#define MT2060_PRIV_H
+
+// Uncomment the #define below to enable spurs checking. The results where quite unconvincing.
+// #define MT2060_SPURCHECK
+
+/* This driver is based on the information available in the datasheet of the
+ "Comtech SDVBT-3K6M" tuner ( K1000737843.pdf ) which features the MT2060 register map :
+
+ I2C Address : 0x60
+
+ Reg.No | B7 | B6 | B5 | B4 | B3 | B2 | B1 | B0 | ( defaults )
+ --------------------------------------------------------------------------------
+ 00 | [ PART ] | [ REV ] | R = 0x63
+ 01 | [ LNABAND ] | [ NUM1(5:2) ] | RW = 0x3F
+ 02 | [ DIV1 ] | RW = 0x74
+ 03 | FM1CA | FM1SS | [ NUM1(1:0) ] | [ NUM2(3:0) ] | RW = 0x00
+ 04 | NUM2(11:4) ] | RW = 0x08
+ 05 | [ DIV2 ] |NUM2(12)| RW = 0x93
+ 06 | L1LK | [ TAD1 ] | L2LK | [ TAD2 ] | R
+ 07 | [ FMF ] | R
+ 08 | ? | FMCAL | ? | ? | ? | ? | ? | TEMP | R
+ 09 | 0 | 0 | [ FMGC ] | 0 | GP02 | GP01 | 0 | RW = 0x20
+ 0A | ??
+ 0B | 0 | 0 | 1 | 1 | 0 | 0 | [ VGAG ] | RW = 0x30
+ 0C | V1CSE | 1 | 1 | 1 | 1 | 1 | 1 | 1 | RW = 0xFF
+ 0D | 1 | 0 | [ V1CS ] | RW = 0xB0
+ 0E | ??
+ 0F | ??
+ 10 | ??
+ 11 | [ LOTO ] | 0 | 0 | 1 | 0 | RW = 0x42
+
+ PART : Part code : 6 for MT2060
+ REV : Revision code : 3 for current revision
+ LNABAND : Input frequency range : ( See code for details )
+ NUM1 / DIV1 / NUM2 / DIV2 : Frequencies programming ( See code for details )
+ FM1CA : Calibration Start Bit
+ FM1SS : Calibration Single Step bit
+ L1LK : LO1 Lock Detect
+ TAD1 : Tune Line ADC ( ? )
+ L2LK : LO2 Lock Detect
+ TAD2 : Tune Line ADC ( ? )
+ FMF : Estimated first IF Center frequency Offset ( ? )
+ FM1CAL : Calibration done bit
+ TEMP : On chip temperature sensor
+ FMCG : Mixer 1 Cap Gain ( ? )
+ GP01 / GP02 : Programmable digital outputs. Unconnected pins ?
+ V1CSE : LO1 VCO Automatic Capacitor Select Enable ( ? )
+ V1CS : LO1 Capacitor Selection Value ( ? )
+ LOTO : LO Timeout ( ? )
+ VGAG : Tuner Output gain
+*/
+
+#define I2C_ADDRESS 0x60
+
+#define REG_PART_REV 0
+#define REG_LO1C1 1
+#define REG_LO1C2 2
+#define REG_LO2C1 3
+#define REG_LO2C2 4
+#define REG_LO2C3 5
+#define REG_LO_STATUS 6
+#define REG_FM_FREQ 7
+#define REG_MISC_STAT 8
+#define REG_MISC_CTRL 9
+#define REG_RESERVED_A 0x0A
+#define REG_VGAG 0x0B
+#define REG_LO1B1 0x0C
+#define REG_LO1B2 0x0D
+#define REG_LOTO 0x11
+
+#define PART_REV 0x63 // The current driver works only with PART=6 and REV=3 chips
+
+struct mt2060_priv {
+ struct mt2060_config *cfg;
+ struct i2c_adapter *i2c;
+
+ u32 frequency;
+ u32 bandwidth;
+ u16 if1_freq;
+ u8 fmfreq;
+};
+
+#endif
--- /dev/null
+/*
+ * Driver for Microtune MT2131 "QAM/8VSB single chip tuner"
+ *
+ * Copyright (c) 2006 Steven Toth <stoth@hauppauge.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.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/dvb/frontend.h>
+#include <linux/i2c.h>
+
+#include "dvb_frontend.h"
+
+#include "mt2131.h"
+#include "mt2131_priv.h"
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
+
+#define dprintk(level,fmt, arg...) if (debug >= level) \
+ printk(KERN_INFO "%s: " fmt, "mt2131", ## arg)
+
+static u8 mt2131_config1[] = {
+ 0x01,
+ 0x50, 0x00, 0x50, 0x80, 0x00, 0x49, 0xfa, 0x88,
+ 0x08, 0x77, 0x41, 0x04, 0x00, 0x00, 0x00, 0x32,
+ 0x7f, 0xda, 0x4c, 0x00, 0x10, 0xaa, 0x78, 0x80,
+ 0xff, 0x68, 0xa0, 0xff, 0xdd, 0x00, 0x00
+};
+
+static u8 mt2131_config2[] = {
+ 0x10,
+ 0x7f, 0xc8, 0x0a, 0x5f, 0x00, 0x04
+};
+
+static int mt2131_readreg(struct mt2131_priv *priv, u8 reg, u8 *val)
+{
+ struct i2c_msg msg[2] = {
+ { .addr = priv->cfg->i2c_address, .flags = 0,
+ .buf = ®, .len = 1 },
+ { .addr = priv->cfg->i2c_address, .flags = I2C_M_RD,
+ .buf = val, .len = 1 },
+ };
+
+ if (i2c_transfer(priv->i2c, msg, 2) != 2) {
+ printk(KERN_WARNING "mt2131 I2C read failed\n");
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+
+static int mt2131_writereg(struct mt2131_priv *priv, u8 reg, u8 val)
+{
+ u8 buf[2] = { reg, val };
+ struct i2c_msg msg = { .addr = priv->cfg->i2c_address, .flags = 0,
+ .buf = buf, .len = 2 };
+
+ if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
+ printk(KERN_WARNING "mt2131 I2C write failed\n");
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+
+static int mt2131_writeregs(struct mt2131_priv *priv,u8 *buf, u8 len)
+{
+ struct i2c_msg msg = { .addr = priv->cfg->i2c_address,
+ .flags = 0, .buf = buf, .len = len };
+
+ if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
+ printk(KERN_WARNING "mt2131 I2C write failed (len=%i)\n",
+ (int)len);
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+
+static int mt2131_set_params(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *params)
+{
+ struct mt2131_priv *priv;
+ int ret=0, i;
+ u32 freq;
+ u8 if_band_center;
+ u32 f_lo1, f_lo2;
+ u32 div1, num1, div2, num2;
+ u8 b[8];
+ u8 lockval = 0;
+
+ priv = fe->tuner_priv;
+ if (fe->ops.info.type == FE_OFDM)
+ priv->bandwidth = params->u.ofdm.bandwidth;
+ else
+ priv->bandwidth = 0;
+
+ freq = params->frequency / 1000; // Hz -> kHz
+ dprintk(1, "%s() freq=%d\n", __func__, freq);
+
+ f_lo1 = freq + MT2131_IF1 * 1000;
+ f_lo1 = (f_lo1 / 250) * 250;
+ f_lo2 = f_lo1 - freq - MT2131_IF2;
+
+ priv->frequency = (f_lo1 - f_lo2 - MT2131_IF2) * 1000;
+
+ /* Frequency LO1 = 16MHz * (DIV1 + NUM1/8192 ) */
+ num1 = f_lo1 * 64 / (MT2131_FREF / 128);
+ div1 = num1 / 8192;
+ num1 &= 0x1fff;
+
+ /* Frequency LO2 = 16MHz * (DIV2 + NUM2/8192 ) */
+ num2 = f_lo2 * 64 / (MT2131_FREF / 128);
+ div2 = num2 / 8192;
+ num2 &= 0x1fff;
+
+ if (freq <= 82500) if_band_center = 0x00; else
+ if (freq <= 137500) if_band_center = 0x01; else
+ if (freq <= 192500) if_band_center = 0x02; else
+ if (freq <= 247500) if_band_center = 0x03; else
+ if (freq <= 302500) if_band_center = 0x04; else
+ if (freq <= 357500) if_band_center = 0x05; else
+ if (freq <= 412500) if_band_center = 0x06; else
+ if (freq <= 467500) if_band_center = 0x07; else
+ if (freq <= 522500) if_band_center = 0x08; else
+ if (freq <= 577500) if_band_center = 0x09; else
+ if (freq <= 632500) if_band_center = 0x0A; else
+ if (freq <= 687500) if_band_center = 0x0B; else
+ if (freq <= 742500) if_band_center = 0x0C; else
+ if (freq <= 797500) if_band_center = 0x0D; else
+ if (freq <= 852500) if_band_center = 0x0E; else
+ if (freq <= 907500) if_band_center = 0x0F; else
+ if (freq <= 962500) if_band_center = 0x10; else
+ if (freq <= 1017500) if_band_center = 0x11; else
+ if (freq <= 1072500) if_band_center = 0x12; else if_band_center = 0x13;
+
+ b[0] = 1;
+ b[1] = (num1 >> 5) & 0xFF;
+ b[2] = (num1 & 0x1F);
+ b[3] = div1;
+ b[4] = (num2 >> 5) & 0xFF;
+ b[5] = num2 & 0x1F;
+ b[6] = div2;
+
+ dprintk(1, "IF1: %dMHz IF2: %dMHz\n", MT2131_IF1, MT2131_IF2);
+ dprintk(1, "PLL freq=%dkHz band=%d\n", (int)freq, (int)if_band_center);
+ dprintk(1, "PLL f_lo1=%dkHz f_lo2=%dkHz\n", (int)f_lo1, (int)f_lo2);
+ dprintk(1, "PLL div1=%d num1=%d div2=%d num2=%d\n",
+ (int)div1, (int)num1, (int)div2, (int)num2);
+ dprintk(1, "PLL [1..6]: %2x %2x %2x %2x %2x %2x\n",
+ (int)b[1], (int)b[2], (int)b[3], (int)b[4], (int)b[5],
+ (int)b[6]);
+
+ ret = mt2131_writeregs(priv,b,7);
+ if (ret < 0)
+ return ret;
+
+ mt2131_writereg(priv, 0x0b, if_band_center);
+
+ /* Wait for lock */
+ i = 0;
+ do {
+ mt2131_readreg(priv, 0x08, &lockval);
+ if ((lockval & 0x88) == 0x88)
+ break;
+ msleep(4);
+ i++;
+ } while (i < 10);
+
+ return ret;
+}
+
+static int mt2131_get_frequency(struct dvb_frontend *fe, u32 *frequency)
+{
+ struct mt2131_priv *priv = fe->tuner_priv;
+ dprintk(1, "%s()\n", __func__);
+ *frequency = priv->frequency;
+ return 0;
+}
+
+static int mt2131_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
+{
+ struct mt2131_priv *priv = fe->tuner_priv;
+ dprintk(1, "%s()\n", __func__);
+ *bandwidth = priv->bandwidth;
+ return 0;
+}
+
+static int mt2131_get_status(struct dvb_frontend *fe, u32 *status)
+{
+ struct mt2131_priv *priv = fe->tuner_priv;
+ u8 lock_status = 0;
+ u8 afc_status = 0;
+
+ *status = 0;
+
+ mt2131_readreg(priv, 0x08, &lock_status);
+ if ((lock_status & 0x88) == 0x88)
+ *status = TUNER_STATUS_LOCKED;
+
+ mt2131_readreg(priv, 0x09, &afc_status);
+ dprintk(1, "%s() - LO Status = 0x%x, AFC Status = 0x%x\n",
+ __func__, lock_status, afc_status);
+
+ return 0;
+}
+
+static int mt2131_init(struct dvb_frontend *fe)
+{
+ struct mt2131_priv *priv = fe->tuner_priv;
+ int ret;
+ dprintk(1, "%s()\n", __func__);
+
+ if ((ret = mt2131_writeregs(priv, mt2131_config1,
+ sizeof(mt2131_config1))) < 0)
+ return ret;
+
+ mt2131_writereg(priv, 0x0b, 0x09);
+ mt2131_writereg(priv, 0x15, 0x47);
+ mt2131_writereg(priv, 0x07, 0xf2);
+ mt2131_writereg(priv, 0x0b, 0x01);
+
+ if ((ret = mt2131_writeregs(priv, mt2131_config2,
+ sizeof(mt2131_config2))) < 0)
+ return ret;
+
+ return ret;
+}
+
+static int mt2131_release(struct dvb_frontend *fe)
+{
+ dprintk(1, "%s()\n", __func__);
+ kfree(fe->tuner_priv);
+ fe->tuner_priv = NULL;
+ return 0;
+}
+
+static const struct dvb_tuner_ops mt2131_tuner_ops = {
+ .info = {
+ .name = "Microtune MT2131",
+ .frequency_min = 48000000,
+ .frequency_max = 860000000,
+ .frequency_step = 50000,
+ },
+
+ .release = mt2131_release,
+ .init = mt2131_init,
+
+ .set_params = mt2131_set_params,
+ .get_frequency = mt2131_get_frequency,
+ .get_bandwidth = mt2131_get_bandwidth,
+ .get_status = mt2131_get_status
+};
+
+struct dvb_frontend * mt2131_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c,
+ struct mt2131_config *cfg, u16 if1)
+{
+ struct mt2131_priv *priv = NULL;
+ u8 id = 0;
+
+ dprintk(1, "%s()\n", __func__);
+
+ priv = kzalloc(sizeof(struct mt2131_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return NULL;
+
+ priv->cfg = cfg;
+ priv->bandwidth = 6000000; /* 6MHz */
+ priv->i2c = i2c;
+
+ if (mt2131_readreg(priv, 0, &id) != 0) {
+ kfree(priv);
+ return NULL;
+ }
+ if ( (id != 0x3E) && (id != 0x3F) ) {
+ printk(KERN_ERR "MT2131: Device not found at addr 0x%02x\n",
+ cfg->i2c_address);
+ kfree(priv);
+ return NULL;
+ }
+
+ printk(KERN_INFO "MT2131: successfully identified at address 0x%02x\n",
+ cfg->i2c_address);
+ memcpy(&fe->ops.tuner_ops, &mt2131_tuner_ops,
+ sizeof(struct dvb_tuner_ops));
+
+ fe->tuner_priv = priv;
+ return fe;
+}
+EXPORT_SYMBOL(mt2131_attach);
+
+MODULE_AUTHOR("Steven Toth");
+MODULE_DESCRIPTION("Microtune MT2131 silicon tuner driver");
+MODULE_LICENSE("GPL");
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ */
--- /dev/null
+/*
+ * Driver for Microtune MT2131 "QAM/8VSB single chip tuner"
+ *
+ * Copyright (c) 2006 Steven Toth <stoth@hauppauge.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 __MT2131_H__
+#define __MT2131_H__
+
+struct dvb_frontend;
+struct i2c_adapter;
+
+struct mt2131_config {
+ u8 i2c_address;
+ u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */
+};
+
+#if defined(CONFIG_DVB_TUNER_MT2131) || (defined(CONFIG_DVB_TUNER_MT2131_MODULE) && defined(MODULE))
+extern struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c,
+ struct mt2131_config *cfg,
+ u16 if1);
+#else
+static inline struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c,
+ struct mt2131_config *cfg,
+ u16 if1)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif /* CONFIG_DVB_TUNER_MT2131 */
+
+#endif /* __MT2131_H__ */
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ */
--- /dev/null
+/*
+ * Driver for Microtune MT2131 "QAM/8VSB single chip tuner"
+ *
+ * Copyright (c) 2006 Steven Toth <stoth@hauppauge.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 __MT2131_PRIV_H__
+#define __MT2131_PRIV_H__
+
+/* Regs */
+#define MT2131_PWR 0x07
+#define MT2131_UPC_1 0x0b
+#define MT2131_AGC_RL 0x10
+#define MT2131_MISC_2 0x15
+
+/* frequency values in KHz */
+#define MT2131_IF1 1220
+#define MT2131_IF2 44000
+#define MT2131_FREF 16000
+
+struct mt2131_priv {
+ struct mt2131_config *cfg;
+ struct i2c_adapter *i2c;
+
+ u32 frequency;
+ u32 bandwidth;
+};
+
+#endif /* __MT2131_PRIV_H__ */
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ */
--- /dev/null
+/*
+ * Driver for Microtune MT2266 "Direct conversion low power broadband tuner"
+ *
+ * Copyright (c) 2007 Olivier DANET <odanet@caramail.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.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/dvb/frontend.h>
+#include <linux/i2c.h>
+
+#include "dvb_frontend.h"
+#include "mt2266.h"
+
+#define I2C_ADDRESS 0x60
+
+#define REG_PART_REV 0
+#define REG_TUNE 1
+#define REG_BAND 6
+#define REG_BANDWIDTH 8
+#define REG_LOCK 0x12
+
+#define PART_REV 0x85
+
+struct mt2266_priv {
+ struct mt2266_config *cfg;
+ struct i2c_adapter *i2c;
+
+ u32 frequency;
+ u32 bandwidth;
+ u8 band;
+};
+
+#define MT2266_VHF 1
+#define MT2266_UHF 0
+
+/* Here, frequencies are expressed in kiloHertz to avoid 32 bits overflows */
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
+
+#define dprintk(args...) do { if (debug) {printk(KERN_DEBUG "MT2266: " args); printk("\n"); }} while (0)
+
+// Reads a single register
+static int mt2266_readreg(struct mt2266_priv *priv, u8 reg, u8 *val)
+{
+ struct i2c_msg msg[2] = {
+ { .addr = priv->cfg->i2c_address, .flags = 0, .buf = ®, .len = 1 },
+ { .addr = priv->cfg->i2c_address, .flags = I2C_M_RD, .buf = val, .len = 1 },
+ };
+ if (i2c_transfer(priv->i2c, msg, 2) != 2) {
+ printk(KERN_WARNING "MT2266 I2C read failed\n");
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+
+// Writes a single register
+static int mt2266_writereg(struct mt2266_priv *priv, u8 reg, u8 val)
+{
+ u8 buf[2] = { reg, val };
+ struct i2c_msg msg = {
+ .addr = priv->cfg->i2c_address, .flags = 0, .buf = buf, .len = 2
+ };
+ if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
+ printk(KERN_WARNING "MT2266 I2C write failed\n");
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+
+// Writes a set of consecutive registers
+static int mt2266_writeregs(struct mt2266_priv *priv,u8 *buf, u8 len)
+{
+ struct i2c_msg msg = {
+ .addr = priv->cfg->i2c_address, .flags = 0, .buf = buf, .len = len
+ };
+ if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
+ printk(KERN_WARNING "MT2266 I2C write failed (len=%i)\n",(int)len);
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+
+// Initialisation sequences
+static u8 mt2266_init1[] = { REG_TUNE, 0x00, 0x00, 0x28,
+ 0x00, 0x52, 0x99, 0x3f };
+
+static u8 mt2266_init2[] = {
+ 0x17, 0x6d, 0x71, 0x61, 0xc0, 0xbf, 0xff, 0xdc, 0x00, 0x0a, 0xd4,
+ 0x03, 0x64, 0x64, 0x64, 0x64, 0x22, 0xaa, 0xf2, 0x1e, 0x80, 0x14,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x7f, 0x5e, 0x3f, 0xff, 0xff,
+ 0xff, 0x00, 0x77, 0x0f, 0x2d
+};
+
+static u8 mt2266_init_8mhz[] = { REG_BANDWIDTH, 0x22, 0x22, 0x22, 0x22,
+ 0x22, 0x22, 0x22, 0x22 };
+
+static u8 mt2266_init_7mhz[] = { REG_BANDWIDTH, 0x32, 0x32, 0x32, 0x32,
+ 0x32, 0x32, 0x32, 0x32 };
+
+static u8 mt2266_init_6mhz[] = { REG_BANDWIDTH, 0xa7, 0xa7, 0xa7, 0xa7,
+ 0xa7, 0xa7, 0xa7, 0xa7 };
+
+static u8 mt2266_uhf[] = { 0x1d, 0xdc, 0x00, 0x0a, 0xd4, 0x03, 0x64, 0x64,
+ 0x64, 0x64, 0x22, 0xaa, 0xf2, 0x1e, 0x80, 0x14 };
+
+static u8 mt2266_vhf[] = { 0x1d, 0xfe, 0x00, 0x00, 0xb4, 0x03, 0xa5, 0xa5,
+ 0xa5, 0xa5, 0x82, 0xaa, 0xf1, 0x17, 0x80, 0x1f };
+
+#define FREF 30000 // Quartz oscillator 30 MHz
+
+static int mt2266_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
+{
+ struct mt2266_priv *priv;
+ int ret=0;
+ u32 freq;
+ u32 tune;
+ u8 lnaband;
+ u8 b[10];
+ int i;
+ u8 band;
+
+ priv = fe->tuner_priv;
+
+ freq = params->frequency / 1000; // Hz -> kHz
+ if (freq < 470000 && freq > 230000)
+ return -EINVAL; /* Gap between VHF and UHF bands */
+ priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
+ priv->frequency = freq * 1000;
+
+ tune = 2 * freq * (8192/16) / (FREF/16);
+ band = (freq < 300000) ? MT2266_VHF : MT2266_UHF;
+ if (band == MT2266_VHF)
+ tune *= 2;
+
+ switch (params->u.ofdm.bandwidth) {
+ case BANDWIDTH_6_MHZ:
+ mt2266_writeregs(priv, mt2266_init_6mhz,
+ sizeof(mt2266_init_6mhz));
+ break;
+ case BANDWIDTH_7_MHZ:
+ mt2266_writeregs(priv, mt2266_init_7mhz,
+ sizeof(mt2266_init_7mhz));
+ break;
+ case BANDWIDTH_8_MHZ:
+ default:
+ mt2266_writeregs(priv, mt2266_init_8mhz,
+ sizeof(mt2266_init_8mhz));
+ break;
+ }
+
+ if (band == MT2266_VHF && priv->band == MT2266_UHF) {
+ dprintk("Switch from UHF to VHF");
+ mt2266_writereg(priv, 0x05, 0x04);
+ mt2266_writereg(priv, 0x19, 0x61);
+ mt2266_writeregs(priv, mt2266_vhf, sizeof(mt2266_vhf));
+ } else if (band == MT2266_UHF && priv->band == MT2266_VHF) {
+ dprintk("Switch from VHF to UHF");
+ mt2266_writereg(priv, 0x05, 0x52);
+ mt2266_writereg(priv, 0x19, 0x61);
+ mt2266_writeregs(priv, mt2266_uhf, sizeof(mt2266_uhf));
+ }
+ msleep(10);
+
+ if (freq <= 495000)
+ lnaband = 0xEE;
+ else if (freq <= 525000)
+ lnaband = 0xDD;
+ else if (freq <= 550000)
+ lnaband = 0xCC;
+ else if (freq <= 580000)
+ lnaband = 0xBB;
+ else if (freq <= 605000)
+ lnaband = 0xAA;
+ else if (freq <= 630000)
+ lnaband = 0x99;
+ else if (freq <= 655000)
+ lnaband = 0x88;
+ else if (freq <= 685000)
+ lnaband = 0x77;
+ else if (freq <= 710000)
+ lnaband = 0x66;
+ else if (freq <= 735000)
+ lnaband = 0x55;
+ else if (freq <= 765000)
+ lnaband = 0x44;
+ else if (freq <= 802000)
+ lnaband = 0x33;
+ else if (freq <= 840000)
+ lnaband = 0x22;
+ else
+ lnaband = 0x11;
+
+ b[0] = REG_TUNE;
+ b[1] = (tune >> 8) & 0x1F;
+ b[2] = tune & 0xFF;
+ b[3] = tune >> 13;
+ mt2266_writeregs(priv,b,4);
+
+ dprintk("set_parms: tune=%d band=%d %s",
+ (int) tune, (int) lnaband,
+ (band == MT2266_UHF) ? "UHF" : "VHF");
+ dprintk("set_parms: [1..3]: %2x %2x %2x",
+ (int) b[1], (int) b[2], (int)b[3]);
+
+ if (band == MT2266_UHF) {
+ b[0] = 0x05;
+ b[1] = (priv->band == MT2266_VHF) ? 0x52 : 0x62;
+ b[2] = lnaband;
+ mt2266_writeregs(priv, b, 3);
+ }
+
+ /* Wait for pll lock or timeout */
+ i = 0;
+ do {
+ mt2266_readreg(priv,REG_LOCK,b);
+ if (b[0] & 0x40)
+ break;
+ msleep(10);
+ i++;
+ } while (i<10);
+ dprintk("Lock when i=%i",(int)i);
+
+ if (band == MT2266_UHF && priv->band == MT2266_VHF)
+ mt2266_writereg(priv, 0x05, 0x62);
+
+ priv->band = band;
+
+ return ret;
+}
+
+static void mt2266_calibrate(struct mt2266_priv *priv)
+{
+ mt2266_writereg(priv, 0x11, 0x03);
+ mt2266_writereg(priv, 0x11, 0x01);
+ mt2266_writeregs(priv, mt2266_init1, sizeof(mt2266_init1));
+ mt2266_writeregs(priv, mt2266_init2, sizeof(mt2266_init2));
+ mt2266_writereg(priv, 0x33, 0x5e);
+ mt2266_writereg(priv, 0x10, 0x10);
+ mt2266_writereg(priv, 0x10, 0x00);
+ mt2266_writeregs(priv, mt2266_init_8mhz, sizeof(mt2266_init_8mhz));
+ msleep(25);
+ mt2266_writereg(priv, 0x17, 0x6d);
+ mt2266_writereg(priv, 0x1c, 0x00);
+ msleep(75);
+ mt2266_writereg(priv, 0x17, 0x6d);
+ mt2266_writereg(priv, 0x1c, 0xff);
+}
+
+static int mt2266_get_frequency(struct dvb_frontend *fe, u32 *frequency)
+{
+ struct mt2266_priv *priv = fe->tuner_priv;
+ *frequency = priv->frequency;
+ return 0;
+}
+
+static int mt2266_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
+{
+ struct mt2266_priv *priv = fe->tuner_priv;
+ *bandwidth = priv->bandwidth;
+ return 0;
+}
+
+static int mt2266_init(struct dvb_frontend *fe)
+{
+ int ret;
+ struct mt2266_priv *priv = fe->tuner_priv;
+ ret = mt2266_writereg(priv, 0x17, 0x6d);
+ if (ret < 0)
+ return ret;
+ ret = mt2266_writereg(priv, 0x1c, 0xff);
+ if (ret < 0)
+ return ret;
+ return 0;
+}
+
+static int mt2266_sleep(struct dvb_frontend *fe)
+{
+ struct mt2266_priv *priv = fe->tuner_priv;
+ mt2266_writereg(priv, 0x17, 0x6d);
+ mt2266_writereg(priv, 0x1c, 0x00);
+ return 0;
+}
+
+static int mt2266_release(struct dvb_frontend *fe)
+{
+ kfree(fe->tuner_priv);
+ fe->tuner_priv = NULL;
+ return 0;
+}
+
+static const struct dvb_tuner_ops mt2266_tuner_ops = {
+ .info = {
+ .name = "Microtune MT2266",
+ .frequency_min = 174000000,
+ .frequency_max = 862000000,
+ .frequency_step = 50000,
+ },
+ .release = mt2266_release,
+ .init = mt2266_init,
+ .sleep = mt2266_sleep,
+ .set_params = mt2266_set_params,
+ .get_frequency = mt2266_get_frequency,
+ .get_bandwidth = mt2266_get_bandwidth
+};
+
+struct dvb_frontend * mt2266_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2266_config *cfg)
+{
+ struct mt2266_priv *priv = NULL;
+ u8 id = 0;
+
+ priv = kzalloc(sizeof(struct mt2266_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return NULL;
+
+ priv->cfg = cfg;
+ priv->i2c = i2c;
+ priv->band = MT2266_UHF;
+
+ if (mt2266_readreg(priv, 0, &id)) {
+ kfree(priv);
+ return NULL;
+ }
+ if (id != PART_REV) {
+ kfree(priv);
+ return NULL;
+ }
+ printk(KERN_INFO "MT2266: successfully identified\n");
+ memcpy(&fe->ops.tuner_ops, &mt2266_tuner_ops, sizeof(struct dvb_tuner_ops));
+
+ fe->tuner_priv = priv;
+ mt2266_calibrate(priv);
+ return fe;
+}
+EXPORT_SYMBOL(mt2266_attach);
+
+MODULE_AUTHOR("Olivier DANET");
+MODULE_DESCRIPTION("Microtune MT2266 silicon tuner driver");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * Driver for Microtune MT2266 "Direct conversion low power broadband tuner"
+ *
+ * Copyright (c) 2007 Olivier DANET <odanet@caramail.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.
+ */
+
+#ifndef MT2266_H
+#define MT2266_H
+
+struct dvb_frontend;
+struct i2c_adapter;
+
+struct mt2266_config {
+ u8 i2c_address;
+};
+
+#if defined(CONFIG_DVB_TUNER_MT2266) || (defined(CONFIG_DVB_TUNER_MT2266_MODULE) && defined(MODULE))
+extern struct dvb_frontend * mt2266_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2266_config *cfg);
+#else
+static inline struct dvb_frontend * mt2266_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2266_config *cfg)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif // CONFIG_DVB_TUNER_MT2266
+
+#endif
--- /dev/null
+/*
+ * Driver for Quantek QT1010 silicon tuner
+ *
+ * Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
+ * Aapo Tahkola <aet@rasterburn.org>
+ *
+ * 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 "qt1010.h"
+#include "qt1010_priv.h"
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
+
+#define dprintk(args...) \
+ do { \
+ if (debug) printk(KERN_DEBUG "QT1010: " args); \
+ } while (0)
+
+/* read single register */
+static int qt1010_readreg(struct qt1010_priv *priv, u8 reg, u8 *val)
+{
+ struct i2c_msg msg[2] = {
+ { .addr = priv->cfg->i2c_address,
+ .flags = 0, .buf = ®, .len = 1 },
+ { .addr = priv->cfg->i2c_address,
+ .flags = I2C_M_RD, .buf = val, .len = 1 },
+ };
+
+ if (i2c_transfer(priv->i2c, msg, 2) != 2) {
+ printk(KERN_WARNING "qt1010 I2C read failed\n");
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+
+/* write single register */
+static int qt1010_writereg(struct qt1010_priv *priv, u8 reg, u8 val)
+{
+ u8 buf[2] = { reg, val };
+ struct i2c_msg msg = { .addr = priv->cfg->i2c_address,
+ .flags = 0, .buf = buf, .len = 2 };
+
+ if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
+ printk(KERN_WARNING "qt1010 I2C write failed\n");
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+
+/* dump all registers */
+static void qt1010_dump_regs(struct qt1010_priv *priv)
+{
+ char buf[52], buf2[4];
+ u8 reg, val;
+
+ for (reg = 0; ; reg++) {
+ if (reg % 16 == 0) {
+ if (reg)
+ printk("%s\n", buf);
+ sprintf(buf, "%02x: ", reg);
+ }
+ if (qt1010_readreg(priv, reg, &val) == 0)
+ sprintf(buf2, "%02x ", val);
+ else
+ strcpy(buf2, "-- ");
+ strcat(buf, buf2);
+ if (reg == 0x2f)
+ break;
+ }
+ printk("%s\n", buf);
+}
+
+static int qt1010_set_params(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *params)
+{
+ struct qt1010_priv *priv;
+ int err;
+ u32 freq, div, mod1, mod2;
+ u8 i, tmpval, reg05;
+ qt1010_i2c_oper_t rd[48] = {
+ { QT1010_WR, 0x01, 0x80 },
+ { QT1010_WR, 0x02, 0x3f },
+ { QT1010_WR, 0x05, 0xff }, /* 02 c write */
+ { QT1010_WR, 0x06, 0x44 },
+ { QT1010_WR, 0x07, 0xff }, /* 04 c write */
+ { QT1010_WR, 0x08, 0x08 },
+ { QT1010_WR, 0x09, 0xff }, /* 06 c write */
+ { QT1010_WR, 0x0a, 0xff }, /* 07 c write */
+ { QT1010_WR, 0x0b, 0xff }, /* 08 c write */
+ { QT1010_WR, 0x0c, 0xe1 },
+ { QT1010_WR, 0x1a, 0xff }, /* 10 c write */
+ { QT1010_WR, 0x1b, 0x00 },
+ { QT1010_WR, 0x1c, 0x89 },
+ { QT1010_WR, 0x11, 0xff }, /* 13 c write */
+ { QT1010_WR, 0x12, 0xff }, /* 14 c write */
+ { QT1010_WR, 0x22, 0xff }, /* 15 c write */
+ { QT1010_WR, 0x1e, 0x00 },
+ { QT1010_WR, 0x1e, 0xd0 },
+ { QT1010_RD, 0x22, 0xff }, /* 16 c read */
+ { QT1010_WR, 0x1e, 0x00 },
+ { QT1010_RD, 0x05, 0xff }, /* 20 c read */
+ { QT1010_RD, 0x22, 0xff }, /* 21 c read */
+ { QT1010_WR, 0x23, 0xd0 },
+ { QT1010_WR, 0x1e, 0x00 },
+ { QT1010_WR, 0x1e, 0xe0 },
+ { QT1010_RD, 0x23, 0xff }, /* 25 c read */
+ { QT1010_RD, 0x23, 0xff }, /* 26 c read */
+ { QT1010_WR, 0x1e, 0x00 },
+ { QT1010_WR, 0x24, 0xd0 },
+ { QT1010_WR, 0x1e, 0x00 },
+ { QT1010_WR, 0x1e, 0xf0 },
+ { QT1010_RD, 0x24, 0xff }, /* 31 c read */
+ { QT1010_WR, 0x1e, 0x00 },
+ { QT1010_WR, 0x14, 0x7f },
+ { QT1010_WR, 0x15, 0x7f },
+ { QT1010_WR, 0x05, 0xff }, /* 35 c write */
+ { QT1010_WR, 0x06, 0x00 },
+ { QT1010_WR, 0x15, 0x1f },
+ { QT1010_WR, 0x16, 0xff },
+ { QT1010_WR, 0x18, 0xff },
+ { QT1010_WR, 0x1f, 0xff }, /* 40 c write */
+ { QT1010_WR, 0x20, 0xff }, /* 41 c write */
+ { QT1010_WR, 0x21, 0x53 },
+ { QT1010_WR, 0x25, 0xff }, /* 43 c write */
+ { QT1010_WR, 0x26, 0x15 },
+ { QT1010_WR, 0x00, 0xff }, /* 45 c write */
+ { QT1010_WR, 0x02, 0x00 },
+ { QT1010_WR, 0x01, 0x00 }
+ };
+
+#define FREQ1 32000000 /* 32 MHz */
+#define FREQ2 4000000 /* 4 MHz Quartz oscillator in the stick? */
+
+ priv = fe->tuner_priv;
+ freq = params->frequency;
+ div = (freq + QT1010_OFFSET) / QT1010_STEP;
+ freq = (div * QT1010_STEP) - QT1010_OFFSET;
+ mod1 = (freq + QT1010_OFFSET) % FREQ1;
+ mod2 = (freq + QT1010_OFFSET) % FREQ2;
+ priv->bandwidth =
+ (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
+ priv->frequency = freq;
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */
+
+ /* reg 05 base value */
+ if (freq < 290000000) reg05 = 0x14; /* 290 MHz */
+ else if (freq < 610000000) reg05 = 0x34; /* 610 MHz */
+ else if (freq < 802000000) reg05 = 0x54; /* 802 MHz */
+ else reg05 = 0x74;
+
+ /* 0x5 */
+ rd[2].val = reg05;
+
+ /* 07 - set frequency: 32 MHz scale */
+ rd[4].val = (freq + QT1010_OFFSET) / FREQ1;
+
+ /* 09 - changes every 8/24 MHz */
+ if (mod1 < 8000000) rd[6].val = 0x1d;
+ else rd[6].val = 0x1c;
+
+ /* 0a - set frequency: 4 MHz scale (max 28 MHz) */
+ if (mod1 < 1*FREQ2) rd[7].val = 0x09; /* +0 MHz */
+ else if (mod1 < 2*FREQ2) rd[7].val = 0x08; /* +4 MHz */
+ else if (mod1 < 3*FREQ2) rd[7].val = 0x0f; /* +8 MHz */
+ else if (mod1 < 4*FREQ2) rd[7].val = 0x0e; /* +12 MHz */
+ else if (mod1 < 5*FREQ2) rd[7].val = 0x0d; /* +16 MHz */
+ else if (mod1 < 6*FREQ2) rd[7].val = 0x0c; /* +20 MHz */
+ else if (mod1 < 7*FREQ2) rd[7].val = 0x0b; /* +24 MHz */
+ else rd[7].val = 0x0a; /* +28 MHz */
+
+ /* 0b - changes every 2/2 MHz */
+ if (mod2 < 2000000) rd[8].val = 0x45;
+ else rd[8].val = 0x44;
+
+ /* 1a - set frequency: 125 kHz scale (max 3875 kHz)*/
+ tmpval = 0x78; /* byte, overflows intentionally */
+ rd[10].val = tmpval-((mod2/QT1010_STEP)*0x08);
+
+ /* 11 */
+ rd[13].val = 0xfd; /* TODO: correct value calculation */
+
+ /* 12 */
+ rd[14].val = 0x91; /* TODO: correct value calculation */
+
+ /* 22 */
+ if (freq < 450000000) rd[15].val = 0xd0; /* 450 MHz */
+ else if (freq < 482000000) rd[15].val = 0xd1; /* 482 MHz */
+ else if (freq < 514000000) rd[15].val = 0xd4; /* 514 MHz */
+ else if (freq < 546000000) rd[15].val = 0xd7; /* 546 MHz */
+ else if (freq < 610000000) rd[15].val = 0xda; /* 610 MHz */
+ else rd[15].val = 0xd0;
+
+ /* 05 */
+ rd[35].val = (reg05 & 0xf0);
+
+ /* 1f */
+ if (mod1 < 8000000) tmpval = 0x00;
+ else if (mod1 < 12000000) tmpval = 0x01;
+ else if (mod1 < 16000000) tmpval = 0x02;
+ else if (mod1 < 24000000) tmpval = 0x03;
+ else if (mod1 < 28000000) tmpval = 0x04;
+ else tmpval = 0x05;
+ rd[40].val = (priv->reg1f_init_val + 0x0e + tmpval);
+
+ /* 20 */
+ if (mod1 < 8000000) tmpval = 0x00;
+ else if (mod1 < 12000000) tmpval = 0x01;
+ else if (mod1 < 20000000) tmpval = 0x02;
+ else if (mod1 < 24000000) tmpval = 0x03;
+ else if (mod1 < 28000000) tmpval = 0x04;
+ else tmpval = 0x05;
+ rd[41].val = (priv->reg20_init_val + 0x0d + tmpval);
+
+ /* 25 */
+ rd[43].val = priv->reg25_init_val;
+
+ /* 00 */
+ rd[45].val = 0x92; /* TODO: correct value calculation */
+
+ dprintk("freq:%u 05:%02x 07:%02x 09:%02x 0a:%02x 0b:%02x " \
+ "1a:%02x 11:%02x 12:%02x 22:%02x 05:%02x 1f:%02x " \
+ "20:%02x 25:%02x 00:%02x", \
+ freq, rd[2].val, rd[4].val, rd[6].val, rd[7].val, rd[8].val, \
+ rd[10].val, rd[13].val, rd[14].val, rd[15].val, rd[35].val, \
+ rd[40].val, rd[41].val, rd[43].val, rd[45].val);
+
+ for (i = 0; i < ARRAY_SIZE(rd); i++) {
+ if (rd[i].oper == QT1010_WR) {
+ err = qt1010_writereg(priv, rd[i].reg, rd[i].val);
+ } else { /* read is required to proper locking */
+ err = qt1010_readreg(priv, rd[i].reg, &tmpval);
+ }
+ if (err) return err;
+ }
+
+ if (debug)
+ qt1010_dump_regs(priv);
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */
+
+ return 0;
+}
+
+static int qt1010_init_meas1(struct qt1010_priv *priv,
+ u8 oper, u8 reg, u8 reg_init_val, u8 *retval)
+{
+ u8 i, val1, val2;
+ int err;
+
+ qt1010_i2c_oper_t i2c_data[] = {
+ { QT1010_WR, reg, reg_init_val },
+ { QT1010_WR, 0x1e, 0x00 },
+ { QT1010_WR, 0x1e, oper },
+ { QT1010_RD, reg, 0xff }
+ };
+
+ for (i = 0; i < ARRAY_SIZE(i2c_data); i++) {
+ if (i2c_data[i].oper == QT1010_WR) {
+ err = qt1010_writereg(priv, i2c_data[i].reg,
+ i2c_data[i].val);
+ } else {
+ err = qt1010_readreg(priv, i2c_data[i].reg, &val2);
+ }
+ if (err) return err;
+ }
+
+ do {
+ val1 = val2;
+ err = qt1010_readreg(priv, reg, &val2);
+ if (err) return err;
+ dprintk("compare reg:%02x %02x %02x", reg, val1, val2);
+ } while (val1 != val2);
+ *retval = val1;
+
+ return qt1010_writereg(priv, 0x1e, 0x00);
+}
+
+static u8 qt1010_init_meas2(struct qt1010_priv *priv,
+ u8 reg_init_val, u8 *retval)
+{
+ u8 i, val;
+ int err;
+ qt1010_i2c_oper_t i2c_data[] = {
+ { QT1010_WR, 0x07, reg_init_val },
+ { QT1010_WR, 0x22, 0xd0 },
+ { QT1010_WR, 0x1e, 0x00 },
+ { QT1010_WR, 0x1e, 0xd0 },
+ { QT1010_RD, 0x22, 0xff },
+ { QT1010_WR, 0x1e, 0x00 },
+ { QT1010_WR, 0x22, 0xff }
+ };
+ for (i = 0; i < ARRAY_SIZE(i2c_data); i++) {
+ if (i2c_data[i].oper == QT1010_WR) {
+ err = qt1010_writereg(priv, i2c_data[i].reg,
+ i2c_data[i].val);
+ } else {
+ err = qt1010_readreg(priv, i2c_data[i].reg, &val);
+ }
+ if (err) return err;
+ }
+ *retval = val;
+ return 0;
+}
+
+static int qt1010_init(struct dvb_frontend *fe)
+{
+ struct qt1010_priv *priv = fe->tuner_priv;
+ struct dvb_frontend_parameters params;
+ int err = 0;
+ u8 i, tmpval, *valptr = NULL;
+
+ qt1010_i2c_oper_t i2c_data[] = {
+ { QT1010_WR, 0x01, 0x80 },
+ { QT1010_WR, 0x0d, 0x84 },
+ { QT1010_WR, 0x0e, 0xb7 },
+ { QT1010_WR, 0x2a, 0x23 },
+ { QT1010_WR, 0x2c, 0xdc },
+ { QT1010_M1, 0x25, 0x40 }, /* get reg 25 init value */
+ { QT1010_M1, 0x81, 0xff }, /* get reg 25 init value */
+ { QT1010_WR, 0x2b, 0x70 },
+ { QT1010_WR, 0x2a, 0x23 },
+ { QT1010_M1, 0x26, 0x08 },
+ { QT1010_M1, 0x82, 0xff },
+ { QT1010_WR, 0x05, 0x14 },
+ { QT1010_WR, 0x06, 0x44 },
+ { QT1010_WR, 0x07, 0x28 },
+ { QT1010_WR, 0x08, 0x0b },
+ { QT1010_WR, 0x11, 0xfd },
+ { QT1010_M1, 0x22, 0x0d },
+ { QT1010_M1, 0xd0, 0xff },
+ { QT1010_WR, 0x06, 0x40 },
+ { QT1010_WR, 0x16, 0xf0 },
+ { QT1010_WR, 0x02, 0x38 },
+ { QT1010_WR, 0x03, 0x18 },
+ { QT1010_WR, 0x20, 0xe0 },
+ { QT1010_M1, 0x1f, 0x20 }, /* get reg 1f init value */
+ { QT1010_M1, 0x84, 0xff }, /* get reg 1f init value */
+ { QT1010_RD, 0x20, 0x20 }, /* get reg 20 init value */
+ { QT1010_WR, 0x03, 0x19 },
+ { QT1010_WR, 0x02, 0x3f },
+ { QT1010_WR, 0x21, 0x53 },
+ { QT1010_RD, 0x21, 0xff },
+ { QT1010_WR, 0x11, 0xfd },
+ { QT1010_WR, 0x05, 0x34 },
+ { QT1010_WR, 0x06, 0x44 },
+ { QT1010_WR, 0x08, 0x08 }
+ };
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */
+
+ for (i = 0; i < ARRAY_SIZE(i2c_data); i++) {
+ switch (i2c_data[i].oper) {
+ case QT1010_WR:
+ err = qt1010_writereg(priv, i2c_data[i].reg,
+ i2c_data[i].val);
+ break;
+ case QT1010_RD:
+ if (i2c_data[i].val == 0x20)
+ valptr = &priv->reg20_init_val;
+ else
+ valptr = &tmpval;
+ err = qt1010_readreg(priv, i2c_data[i].reg, valptr);
+ break;
+ case QT1010_M1:
+ if (i2c_data[i].val == 0x25)
+ valptr = &priv->reg25_init_val;
+ else if (i2c_data[i].val == 0x1f)
+ valptr = &priv->reg1f_init_val;
+ else
+ valptr = &tmpval;
+ err = qt1010_init_meas1(priv, i2c_data[i+1].reg,
+ i2c_data[i].reg,
+ i2c_data[i].val, valptr);
+ i++;
+ break;
+ }
+ if (err) return err;
+ }
+
+ for (i = 0x31; i < 0x3a; i++) /* 0x31 - 0x39 */
+ if ((err = qt1010_init_meas2(priv, i, &tmpval)))
+ return err;
+
+ params.frequency = 545000000; /* Sigmatek DVB-110 545000000 */
+ /* MSI Megasky 580 GL861 533000000 */
+ return qt1010_set_params(fe, ¶ms);
+}
+
+static int qt1010_release(struct dvb_frontend *fe)
+{
+ kfree(fe->tuner_priv);
+ fe->tuner_priv = NULL;
+ return 0;
+}
+
+static int qt1010_get_frequency(struct dvb_frontend *fe, u32 *frequency)
+{
+ struct qt1010_priv *priv = fe->tuner_priv;
+ *frequency = priv->frequency;
+ return 0;
+}
+
+static int qt1010_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
+{
+ struct qt1010_priv *priv = fe->tuner_priv;
+ *bandwidth = priv->bandwidth;
+ return 0;
+}
+
+static const struct dvb_tuner_ops qt1010_tuner_ops = {
+ .info = {
+ .name = "Quantek QT1010",
+ .frequency_min = QT1010_MIN_FREQ,
+ .frequency_max = QT1010_MAX_FREQ,
+ .frequency_step = QT1010_STEP,
+ },
+
+ .release = qt1010_release,
+ .init = qt1010_init,
+ /* TODO: implement sleep */
+
+ .set_params = qt1010_set_params,
+ .get_frequency = qt1010_get_frequency,
+ .get_bandwidth = qt1010_get_bandwidth
+};
+
+struct dvb_frontend * qt1010_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c,
+ struct qt1010_config *cfg)
+{
+ struct qt1010_priv *priv = NULL;
+ u8 id;
+
+ priv = kzalloc(sizeof(struct qt1010_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return NULL;
+
+ priv->cfg = cfg;
+ priv->i2c = i2c;
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */
+
+
+ /* Try to detect tuner chip. Probably this is not correct register. */
+ if (qt1010_readreg(priv, 0x29, &id) != 0 || (id != 0x39)) {
+ kfree(priv);
+ return NULL;
+ }
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */
+
+ printk(KERN_INFO "Quantek QT1010 successfully identified.\n");
+ memcpy(&fe->ops.tuner_ops, &qt1010_tuner_ops,
+ sizeof(struct dvb_tuner_ops));
+
+ fe->tuner_priv = priv;
+ return fe;
+}
+EXPORT_SYMBOL(qt1010_attach);
+
+MODULE_DESCRIPTION("Quantek QT1010 silicon tuner driver");
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>");
+MODULE_VERSION("0.1");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * Driver for Quantek QT1010 silicon tuner
+ *
+ * Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
+ * Aapo Tahkola <aet@rasterburn.org>
+ *
+ * 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 QT1010_H
+#define QT1010_H
+
+#include "dvb_frontend.h"
+
+struct qt1010_config {
+ u8 i2c_address;
+};
+
+/**
+ * Attach a qt1010 tuner to the supplied frontend structure.
+ *
+ * @param fe frontend to attach to
+ * @param i2c i2c adapter to use
+ * @param cfg tuner hw based configuration
+ * @return fe pointer on success, NULL on failure
+ */
+#if defined(CONFIG_DVB_TUNER_QT1010) || (defined(CONFIG_DVB_TUNER_QT1010_MODULE) && defined(MODULE))
+extern struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c,
+ struct qt1010_config *cfg);
+#else
+static inline struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c,
+ struct qt1010_config *cfg)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+#endif // CONFIG_DVB_TUNER_QT1010
+
+#endif
--- /dev/null
+/*
+ * Driver for Quantek QT1010 silicon tuner
+ *
+ * Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
+ * Aapo Tahkola <aet@rasterburn.org>
+ *
+ * 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 QT1010_PRIV_H
+#define QT1010_PRIV_H
+
+/*
+reg def meaning
+=== === =======
+00 00 ?
+01 a0 ? operation start/stop; start=80, stop=00
+02 00 ?
+03 19 ?
+04 00 ?
+05 00 ? maybe band selection
+06 00 ?
+07 2b set frequency: 32 MHz scale, n*32 MHz
+08 0b ?
+09 10 ? changes every 8/24 MHz; values 1d/1c
+0a 08 set frequency: 4 MHz scale, n*4 MHz
+0b 41 ? changes every 2/2 MHz; values 45/45
+0c e1 ?
+0d 94 ?
+0e b6 ?
+0f 2c ?
+10 10 ?
+11 f1 ? maybe device specified adjustment
+12 11 ? maybe device specified adjustment
+13 3f ?
+14 1f ?
+15 3f ?
+16 ff ?
+17 ff ?
+18 f7 ?
+19 80 ?
+1a d0 set frequency: 125 kHz scale, n*125 kHz
+1b 00 ?
+1c 89 ?
+1d 00 ?
+1e 00 ? looks like operation register; write cmd here, read result from 1f-26
+1f 20 ? chip initialization
+20 e0 ? chip initialization
+21 20 ?
+22 d0 ?
+23 d0 ?
+24 d0 ?
+25 40 ? chip initialization
+26 08 ?
+27 29 ?
+28 55 ?
+29 39 ?
+2a 13 ?
+2b 01 ?
+2c ea ?
+2d 00 ?
+2e 00 ? not used?
+2f 00 ? not used?
+*/
+
+#define QT1010_STEP 125000 /* 125 kHz used by Windows drivers,
+ hw could be more precise but we don't
+ know how to use */
+#define QT1010_MIN_FREQ 48000000 /* 48 MHz */
+#define QT1010_MAX_FREQ 860000000 /* 860 MHz */
+#define QT1010_OFFSET 1246000000 /* 1246 MHz */
+
+#define QT1010_WR 0
+#define QT1010_RD 1
+#define QT1010_M1 3
+
+typedef struct {
+ u8 oper, reg, val;
+} qt1010_i2c_oper_t;
+
+struct qt1010_priv {
+ struct qt1010_config *cfg;
+ struct i2c_adapter *i2c;
+
+ u8 reg1f_init_val;
+ u8 reg20_init_val;
+ u8 reg25_init_val;
+
+ u32 frequency;
+ u32 bandwidth;
+};
+
+#endif
An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
to support this frontend.
-comment "Tuners/PLL support"
+comment "Digital terrestrial only tuners/PLL"
depends on DVB_CORE
config DVB_PLL
This module drives a number of tuners based on PLL chips with a
common I2C interface. Say Y when you want to support these tuners.
-config DVB_TUNER_QT1010
- tristate "Quantek QT1010 silicon tuner"
- depends on DVB_CORE && I2C
- default m if DVB_FE_CUSTOMISE
- help
- A driver for the silicon tuner QT1010 from Quantek.
-
-config DVB_TUNER_MT2060
- tristate "Microtune MT2060 silicon IF tuner"
- depends on I2C
- default m if DVB_FE_CUSTOMISE
- help
- A driver for the silicon IF tuner MT2060 from Microtune.
-
-config DVB_TUNER_MT2266
- tristate "Microtune MT2266 silicon tuner"
- depends on I2C
- default m if DVB_FE_CUSTOMISE
- help
- A driver for the silicon baseband tuner MT2266 from Microtune.
-
-config DVB_TUNER_MT2131
- tristate "Microtune MT2131 silicon tuner"
- depends on I2C
- default m if DVB_FE_CUSTOMISE
- help
- A driver for the silicon baseband tuner MT2131 from Microtune.
-
config DVB_TUNER_DIB0070
tristate "DiBcom DiB0070 silicon base-band tuner"
depends on I2C
obj-$(CONFIG_DVB_ISL6421) += isl6421.o
obj-$(CONFIG_DVB_TDA10086) += tda10086.o
obj-$(CONFIG_DVB_TDA826X) += tda826x.o
-obj-$(CONFIG_DVB_TUNER_MT2060) += mt2060.o
-obj-$(CONFIG_DVB_TUNER_MT2266) += mt2266.o
obj-$(CONFIG_DVB_TUNER_DIB0070) += dib0070.o
-obj-$(CONFIG_DVB_TUNER_QT1010) += qt1010.o
obj-$(CONFIG_DVB_TUA6100) += tua6100.o
-obj-$(CONFIG_DVB_TUNER_MT2131) += mt2131.o
obj-$(CONFIG_DVB_S5H1409) += s5h1409.o
obj-$(CONFIG_DVB_TUNER_ITD1000) += itd1000.o
obj-$(CONFIG_DVB_AU8522) += au8522.o
+++ /dev/null
-/*
- * Driver for Microtune MT2060 "Single chip dual conversion broadband tuner"
- *
- * Copyright (c) 2006 Olivier DANET <odanet@caramail.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.=
- */
-
-/* In that file, frequencies are expressed in kiloHertz to avoid 32 bits overflows */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/dvb/frontend.h>
-#include <linux/i2c.h>
-
-#include "dvb_frontend.h"
-
-#include "mt2060.h"
-#include "mt2060_priv.h"
-
-static int debug;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
-
-#define dprintk(args...) do { if (debug) {printk(KERN_DEBUG "MT2060: " args); printk("\n"); }} while (0)
-
-// Reads a single register
-static int mt2060_readreg(struct mt2060_priv *priv, u8 reg, u8 *val)
-{
- struct i2c_msg msg[2] = {
- { .addr = priv->cfg->i2c_address, .flags = 0, .buf = ®, .len = 1 },
- { .addr = priv->cfg->i2c_address, .flags = I2C_M_RD, .buf = val, .len = 1 },
- };
-
- if (i2c_transfer(priv->i2c, msg, 2) != 2) {
- printk(KERN_WARNING "mt2060 I2C read failed\n");
- return -EREMOTEIO;
- }
- return 0;
-}
-
-// Writes a single register
-static int mt2060_writereg(struct mt2060_priv *priv, u8 reg, u8 val)
-{
- u8 buf[2] = { reg, val };
- struct i2c_msg msg = {
- .addr = priv->cfg->i2c_address, .flags = 0, .buf = buf, .len = 2
- };
-
- if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
- printk(KERN_WARNING "mt2060 I2C write failed\n");
- return -EREMOTEIO;
- }
- return 0;
-}
-
-// Writes a set of consecutive registers
-static int mt2060_writeregs(struct mt2060_priv *priv,u8 *buf, u8 len)
-{
- struct i2c_msg msg = {
- .addr = priv->cfg->i2c_address, .flags = 0, .buf = buf, .len = len
- };
- if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
- printk(KERN_WARNING "mt2060 I2C write failed (len=%i)\n",(int)len);
- return -EREMOTEIO;
- }
- return 0;
-}
-
-// Initialisation sequences
-// LNABAND=3, NUM1=0x3C, DIV1=0x74, NUM2=0x1080, DIV2=0x49
-static u8 mt2060_config1[] = {
- REG_LO1C1,
- 0x3F, 0x74, 0x00, 0x08, 0x93
-};
-
-// FMCG=2, GP2=0, GP1=0
-static u8 mt2060_config2[] = {
- REG_MISC_CTRL,
- 0x20, 0x1E, 0x30, 0xff, 0x80, 0xff, 0x00, 0x2c, 0x42
-};
-
-// VGAG=3, V1CSE=1
-
-#ifdef MT2060_SPURCHECK
-/* The function below calculates the frequency offset between the output frequency if2
- and the closer cross modulation subcarrier between lo1 and lo2 up to the tenth harmonic */
-static int mt2060_spurcalc(u32 lo1,u32 lo2,u32 if2)
-{
- int I,J;
- int dia,diamin,diff;
- diamin=1000000;
- for (I = 1; I < 10; I++) {
- J = ((2*I*lo1)/lo2+1)/2;
- diff = I*(int)lo1-J*(int)lo2;
- if (diff < 0) diff=-diff;
- dia = (diff-(int)if2);
- if (dia < 0) dia=-dia;
- if (diamin > dia) diamin=dia;
- }
- return diamin;
-}
-
-#define BANDWIDTH 4000 // kHz
-
-/* Calculates the frequency offset to add to avoid spurs. Returns 0 if no offset is needed */
-static int mt2060_spurcheck(u32 lo1,u32 lo2,u32 if2)
-{
- u32 Spur,Sp1,Sp2;
- int I,J;
- I=0;
- J=1000;
-
- Spur=mt2060_spurcalc(lo1,lo2,if2);
- if (Spur < BANDWIDTH) {
- /* Potential spurs detected */
- dprintk("Spurs before : f_lo1: %d f_lo2: %d (kHz)",
- (int)lo1,(int)lo2);
- I=1000;
- Sp1 = mt2060_spurcalc(lo1+I,lo2+I,if2);
- Sp2 = mt2060_spurcalc(lo1-I,lo2-I,if2);
-
- if (Sp1 < Sp2) {
- J=-J; I=-I; Spur=Sp2;
- } else
- Spur=Sp1;
-
- while (Spur < BANDWIDTH) {
- I += J;
- Spur = mt2060_spurcalc(lo1+I,lo2+I,if2);
- }
- dprintk("Spurs after : f_lo1: %d f_lo2: %d (kHz)",
- (int)(lo1+I),(int)(lo2+I));
- }
- return I;
-}
-#endif
-
-#define IF2 36150 // IF2 frequency = 36.150 MHz
-#define FREF 16000 // Quartz oscillator 16 MHz
-
-static int mt2060_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
-{
- struct mt2060_priv *priv;
- int ret=0;
- int i=0;
- u32 freq;
- u8 lnaband;
- u32 f_lo1,f_lo2;
- u32 div1,num1,div2,num2;
- u8 b[8];
- u32 if1;
-
- priv = fe->tuner_priv;
-
- if1 = priv->if1_freq;
- b[0] = REG_LO1B1;
- b[1] = 0xFF;
-
- mt2060_writeregs(priv,b,2);
-
- freq = params->frequency / 1000; // Hz -> kHz
- priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
-
- f_lo1 = freq + if1 * 1000;
- f_lo1 = (f_lo1 / 250) * 250;
- f_lo2 = f_lo1 - freq - IF2;
- // From the Comtech datasheet, the step used is 50kHz. The tuner chip could be more precise
- f_lo2 = ((f_lo2 + 25) / 50) * 50;
- priv->frequency = (f_lo1 - f_lo2 - IF2) * 1000,
-
-#ifdef MT2060_SPURCHECK
- // LO-related spurs detection and correction
- num1 = mt2060_spurcheck(f_lo1,f_lo2,IF2);
- f_lo1 += num1;
- f_lo2 += num1;
-#endif
- //Frequency LO1 = 16MHz * (DIV1 + NUM1/64 )
- num1 = f_lo1 / (FREF / 64);
- div1 = num1 / 64;
- num1 &= 0x3f;
-
- // Frequency LO2 = 16MHz * (DIV2 + NUM2/8192 )
- num2 = f_lo2 * 64 / (FREF / 128);
- div2 = num2 / 8192;
- num2 &= 0x1fff;
-
- if (freq <= 95000) lnaband = 0xB0; else
- if (freq <= 180000) lnaband = 0xA0; else
- if (freq <= 260000) lnaband = 0x90; else
- if (freq <= 335000) lnaband = 0x80; else
- if (freq <= 425000) lnaband = 0x70; else
- if (freq <= 480000) lnaband = 0x60; else
- if (freq <= 570000) lnaband = 0x50; else
- if (freq <= 645000) lnaband = 0x40; else
- if (freq <= 730000) lnaband = 0x30; else
- if (freq <= 810000) lnaband = 0x20; else lnaband = 0x10;
-
- b[0] = REG_LO1C1;
- b[1] = lnaband | ((num1 >>2) & 0x0F);
- b[2] = div1;
- b[3] = (num2 & 0x0F) | ((num1 & 3) << 4);
- b[4] = num2 >> 4;
- b[5] = ((num2 >>12) & 1) | (div2 << 1);
-
- dprintk("IF1: %dMHz",(int)if1);
- dprintk("PLL freq=%dkHz f_lo1=%dkHz f_lo2=%dkHz",(int)freq,(int)f_lo1,(int)f_lo2);
- dprintk("PLL div1=%d num1=%d div2=%d num2=%d",(int)div1,(int)num1,(int)div2,(int)num2);
- dprintk("PLL [1..5]: %2x %2x %2x %2x %2x",(int)b[1],(int)b[2],(int)b[3],(int)b[4],(int)b[5]);
-
- mt2060_writeregs(priv,b,6);
-
- //Waits for pll lock or timeout
- i = 0;
- do {
- mt2060_readreg(priv,REG_LO_STATUS,b);
- if ((b[0] & 0x88)==0x88)
- break;
- msleep(4);
- i++;
- } while (i<10);
-
- return ret;
-}
-
-static void mt2060_calibrate(struct mt2060_priv *priv)
-{
- u8 b = 0;
- int i = 0;
-
- if (mt2060_writeregs(priv,mt2060_config1,sizeof(mt2060_config1)))
- return;
- if (mt2060_writeregs(priv,mt2060_config2,sizeof(mt2060_config2)))
- return;
-
- /* initialize the clock output */
- mt2060_writereg(priv, REG_VGAG, (priv->cfg->clock_out << 6) | 0x30);
-
- do {
- b |= (1 << 6); // FM1SS;
- mt2060_writereg(priv, REG_LO2C1,b);
- msleep(20);
-
- if (i == 0) {
- b |= (1 << 7); // FM1CA;
- mt2060_writereg(priv, REG_LO2C1,b);
- b &= ~(1 << 7); // FM1CA;
- msleep(20);
- }
-
- b &= ~(1 << 6); // FM1SS
- mt2060_writereg(priv, REG_LO2C1,b);
-
- msleep(20);
- i++;
- } while (i < 9);
-
- i = 0;
- while (i++ < 10 && mt2060_readreg(priv, REG_MISC_STAT, &b) == 0 && (b & (1 << 6)) == 0)
- msleep(20);
-
- if (i < 10) {
- mt2060_readreg(priv, REG_FM_FREQ, &priv->fmfreq); // now find out, what is fmreq used for :)
- dprintk("calibration was successful: %d", (int)priv->fmfreq);
- } else
- dprintk("FMCAL timed out");
-}
-
-static int mt2060_get_frequency(struct dvb_frontend *fe, u32 *frequency)
-{
- struct mt2060_priv *priv = fe->tuner_priv;
- *frequency = priv->frequency;
- return 0;
-}
-
-static int mt2060_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
-{
- struct mt2060_priv *priv = fe->tuner_priv;
- *bandwidth = priv->bandwidth;
- return 0;
-}
-
-static int mt2060_init(struct dvb_frontend *fe)
-{
- struct mt2060_priv *priv = fe->tuner_priv;
- return mt2060_writereg(priv, REG_VGAG, (priv->cfg->clock_out << 6) | 0x33);
-}
-
-static int mt2060_sleep(struct dvb_frontend *fe)
-{
- struct mt2060_priv *priv = fe->tuner_priv;
- return mt2060_writereg(priv, REG_VGAG, (priv->cfg->clock_out << 6) | 0x30);
-}
-
-static int mt2060_release(struct dvb_frontend *fe)
-{
- kfree(fe->tuner_priv);
- fe->tuner_priv = NULL;
- return 0;
-}
-
-static const struct dvb_tuner_ops mt2060_tuner_ops = {
- .info = {
- .name = "Microtune MT2060",
- .frequency_min = 48000000,
- .frequency_max = 860000000,
- .frequency_step = 50000,
- },
-
- .release = mt2060_release,
-
- .init = mt2060_init,
- .sleep = mt2060_sleep,
-
- .set_params = mt2060_set_params,
- .get_frequency = mt2060_get_frequency,
- .get_bandwidth = mt2060_get_bandwidth
-};
-
-/* This functions tries to identify a MT2060 tuner by reading the PART/REV register. This is hasty. */
-struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2060_config *cfg, u16 if1)
-{
- struct mt2060_priv *priv = NULL;
- u8 id = 0;
-
- priv = kzalloc(sizeof(struct mt2060_priv), GFP_KERNEL);
- if (priv == NULL)
- return NULL;
-
- priv->cfg = cfg;
- priv->i2c = i2c;
- priv->if1_freq = if1;
-
- if (mt2060_readreg(priv,REG_PART_REV,&id) != 0) {
- kfree(priv);
- return NULL;
- }
-
- if (id != PART_REV) {
- kfree(priv);
- return NULL;
- }
- printk(KERN_INFO "MT2060: successfully identified (IF1 = %d)\n", if1);
- memcpy(&fe->ops.tuner_ops, &mt2060_tuner_ops, sizeof(struct dvb_tuner_ops));
-
- fe->tuner_priv = priv;
-
- mt2060_calibrate(priv);
-
- return fe;
-}
-EXPORT_SYMBOL(mt2060_attach);
-
-MODULE_AUTHOR("Olivier DANET");
-MODULE_DESCRIPTION("Microtune MT2060 silicon tuner driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * Driver for Microtune MT2060 "Single chip dual conversion broadband tuner"
- *
- * Copyright (c) 2006 Olivier DANET <odanet@caramail.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 MT2060_H
-#define MT2060_H
-
-struct dvb_frontend;
-struct i2c_adapter;
-
-struct mt2060_config {
- u8 i2c_address;
- u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */
-};
-
-#if defined(CONFIG_DVB_TUNER_MT2060) || (defined(CONFIG_DVB_TUNER_MT2060_MODULE) && defined(MODULE))
-extern struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2060_config *cfg, u16 if1);
-#else
-static inline struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2060_config *cfg, u16 if1)
-{
- printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
- return NULL;
-}
-#endif // CONFIG_DVB_TUNER_MT2060
-
-#endif
+++ /dev/null
-/*
- * Driver for Microtune MT2060 "Single chip dual conversion broadband tuner"
- *
- * Copyright (c) 2006 Olivier DANET <odanet@caramail.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 MT2060_PRIV_H
-#define MT2060_PRIV_H
-
-// Uncomment the #define below to enable spurs checking. The results where quite unconvincing.
-// #define MT2060_SPURCHECK
-
-/* This driver is based on the information available in the datasheet of the
- "Comtech SDVBT-3K6M" tuner ( K1000737843.pdf ) which features the MT2060 register map :
-
- I2C Address : 0x60
-
- Reg.No | B7 | B6 | B5 | B4 | B3 | B2 | B1 | B0 | ( defaults )
- --------------------------------------------------------------------------------
- 00 | [ PART ] | [ REV ] | R = 0x63
- 01 | [ LNABAND ] | [ NUM1(5:2) ] | RW = 0x3F
- 02 | [ DIV1 ] | RW = 0x74
- 03 | FM1CA | FM1SS | [ NUM1(1:0) ] | [ NUM2(3:0) ] | RW = 0x00
- 04 | NUM2(11:4) ] | RW = 0x08
- 05 | [ DIV2 ] |NUM2(12)| RW = 0x93
- 06 | L1LK | [ TAD1 ] | L2LK | [ TAD2 ] | R
- 07 | [ FMF ] | R
- 08 | ? | FMCAL | ? | ? | ? | ? | ? | TEMP | R
- 09 | 0 | 0 | [ FMGC ] | 0 | GP02 | GP01 | 0 | RW = 0x20
- 0A | ??
- 0B | 0 | 0 | 1 | 1 | 0 | 0 | [ VGAG ] | RW = 0x30
- 0C | V1CSE | 1 | 1 | 1 | 1 | 1 | 1 | 1 | RW = 0xFF
- 0D | 1 | 0 | [ V1CS ] | RW = 0xB0
- 0E | ??
- 0F | ??
- 10 | ??
- 11 | [ LOTO ] | 0 | 0 | 1 | 0 | RW = 0x42
-
- PART : Part code : 6 for MT2060
- REV : Revision code : 3 for current revision
- LNABAND : Input frequency range : ( See code for details )
- NUM1 / DIV1 / NUM2 / DIV2 : Frequencies programming ( See code for details )
- FM1CA : Calibration Start Bit
- FM1SS : Calibration Single Step bit
- L1LK : LO1 Lock Detect
- TAD1 : Tune Line ADC ( ? )
- L2LK : LO2 Lock Detect
- TAD2 : Tune Line ADC ( ? )
- FMF : Estimated first IF Center frequency Offset ( ? )
- FM1CAL : Calibration done bit
- TEMP : On chip temperature sensor
- FMCG : Mixer 1 Cap Gain ( ? )
- GP01 / GP02 : Programmable digital outputs. Unconnected pins ?
- V1CSE : LO1 VCO Automatic Capacitor Select Enable ( ? )
- V1CS : LO1 Capacitor Selection Value ( ? )
- LOTO : LO Timeout ( ? )
- VGAG : Tuner Output gain
-*/
-
-#define I2C_ADDRESS 0x60
-
-#define REG_PART_REV 0
-#define REG_LO1C1 1
-#define REG_LO1C2 2
-#define REG_LO2C1 3
-#define REG_LO2C2 4
-#define REG_LO2C3 5
-#define REG_LO_STATUS 6
-#define REG_FM_FREQ 7
-#define REG_MISC_STAT 8
-#define REG_MISC_CTRL 9
-#define REG_RESERVED_A 0x0A
-#define REG_VGAG 0x0B
-#define REG_LO1B1 0x0C
-#define REG_LO1B2 0x0D
-#define REG_LOTO 0x11
-
-#define PART_REV 0x63 // The current driver works only with PART=6 and REV=3 chips
-
-struct mt2060_priv {
- struct mt2060_config *cfg;
- struct i2c_adapter *i2c;
-
- u32 frequency;
- u32 bandwidth;
- u16 if1_freq;
- u8 fmfreq;
-};
-
-#endif
+++ /dev/null
-/*
- * Driver for Microtune MT2131 "QAM/8VSB single chip tuner"
- *
- * Copyright (c) 2006 Steven Toth <stoth@hauppauge.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.
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/dvb/frontend.h>
-#include <linux/i2c.h>
-
-#include "dvb_frontend.h"
-
-#include "mt2131.h"
-#include "mt2131_priv.h"
-
-static int debug;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
-
-#define dprintk(level,fmt, arg...) if (debug >= level) \
- printk(KERN_INFO "%s: " fmt, "mt2131", ## arg)
-
-static u8 mt2131_config1[] = {
- 0x01,
- 0x50, 0x00, 0x50, 0x80, 0x00, 0x49, 0xfa, 0x88,
- 0x08, 0x77, 0x41, 0x04, 0x00, 0x00, 0x00, 0x32,
- 0x7f, 0xda, 0x4c, 0x00, 0x10, 0xaa, 0x78, 0x80,
- 0xff, 0x68, 0xa0, 0xff, 0xdd, 0x00, 0x00
-};
-
-static u8 mt2131_config2[] = {
- 0x10,
- 0x7f, 0xc8, 0x0a, 0x5f, 0x00, 0x04
-};
-
-static int mt2131_readreg(struct mt2131_priv *priv, u8 reg, u8 *val)
-{
- struct i2c_msg msg[2] = {
- { .addr = priv->cfg->i2c_address, .flags = 0,
- .buf = ®, .len = 1 },
- { .addr = priv->cfg->i2c_address, .flags = I2C_M_RD,
- .buf = val, .len = 1 },
- };
-
- if (i2c_transfer(priv->i2c, msg, 2) != 2) {
- printk(KERN_WARNING "mt2131 I2C read failed\n");
- return -EREMOTEIO;
- }
- return 0;
-}
-
-static int mt2131_writereg(struct mt2131_priv *priv, u8 reg, u8 val)
-{
- u8 buf[2] = { reg, val };
- struct i2c_msg msg = { .addr = priv->cfg->i2c_address, .flags = 0,
- .buf = buf, .len = 2 };
-
- if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
- printk(KERN_WARNING "mt2131 I2C write failed\n");
- return -EREMOTEIO;
- }
- return 0;
-}
-
-static int mt2131_writeregs(struct mt2131_priv *priv,u8 *buf, u8 len)
-{
- struct i2c_msg msg = { .addr = priv->cfg->i2c_address,
- .flags = 0, .buf = buf, .len = len };
-
- if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
- printk(KERN_WARNING "mt2131 I2C write failed (len=%i)\n",
- (int)len);
- return -EREMOTEIO;
- }
- return 0;
-}
-
-static int mt2131_set_params(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *params)
-{
- struct mt2131_priv *priv;
- int ret=0, i;
- u32 freq;
- u8 if_band_center;
- u32 f_lo1, f_lo2;
- u32 div1, num1, div2, num2;
- u8 b[8];
- u8 lockval = 0;
-
- priv = fe->tuner_priv;
- if (fe->ops.info.type == FE_OFDM)
- priv->bandwidth = params->u.ofdm.bandwidth;
- else
- priv->bandwidth = 0;
-
- freq = params->frequency / 1000; // Hz -> kHz
- dprintk(1, "%s() freq=%d\n", __func__, freq);
-
- f_lo1 = freq + MT2131_IF1 * 1000;
- f_lo1 = (f_lo1 / 250) * 250;
- f_lo2 = f_lo1 - freq - MT2131_IF2;
-
- priv->frequency = (f_lo1 - f_lo2 - MT2131_IF2) * 1000;
-
- /* Frequency LO1 = 16MHz * (DIV1 + NUM1/8192 ) */
- num1 = f_lo1 * 64 / (MT2131_FREF / 128);
- div1 = num1 / 8192;
- num1 &= 0x1fff;
-
- /* Frequency LO2 = 16MHz * (DIV2 + NUM2/8192 ) */
- num2 = f_lo2 * 64 / (MT2131_FREF / 128);
- div2 = num2 / 8192;
- num2 &= 0x1fff;
-
- if (freq <= 82500) if_band_center = 0x00; else
- if (freq <= 137500) if_band_center = 0x01; else
- if (freq <= 192500) if_band_center = 0x02; else
- if (freq <= 247500) if_band_center = 0x03; else
- if (freq <= 302500) if_band_center = 0x04; else
- if (freq <= 357500) if_band_center = 0x05; else
- if (freq <= 412500) if_band_center = 0x06; else
- if (freq <= 467500) if_band_center = 0x07; else
- if (freq <= 522500) if_band_center = 0x08; else
- if (freq <= 577500) if_band_center = 0x09; else
- if (freq <= 632500) if_band_center = 0x0A; else
- if (freq <= 687500) if_band_center = 0x0B; else
- if (freq <= 742500) if_band_center = 0x0C; else
- if (freq <= 797500) if_band_center = 0x0D; else
- if (freq <= 852500) if_band_center = 0x0E; else
- if (freq <= 907500) if_band_center = 0x0F; else
- if (freq <= 962500) if_band_center = 0x10; else
- if (freq <= 1017500) if_band_center = 0x11; else
- if (freq <= 1072500) if_band_center = 0x12; else if_band_center = 0x13;
-
- b[0] = 1;
- b[1] = (num1 >> 5) & 0xFF;
- b[2] = (num1 & 0x1F);
- b[3] = div1;
- b[4] = (num2 >> 5) & 0xFF;
- b[5] = num2 & 0x1F;
- b[6] = div2;
-
- dprintk(1, "IF1: %dMHz IF2: %dMHz\n", MT2131_IF1, MT2131_IF2);
- dprintk(1, "PLL freq=%dkHz band=%d\n", (int)freq, (int)if_band_center);
- dprintk(1, "PLL f_lo1=%dkHz f_lo2=%dkHz\n", (int)f_lo1, (int)f_lo2);
- dprintk(1, "PLL div1=%d num1=%d div2=%d num2=%d\n",
- (int)div1, (int)num1, (int)div2, (int)num2);
- dprintk(1, "PLL [1..6]: %2x %2x %2x %2x %2x %2x\n",
- (int)b[1], (int)b[2], (int)b[3], (int)b[4], (int)b[5],
- (int)b[6]);
-
- ret = mt2131_writeregs(priv,b,7);
- if (ret < 0)
- return ret;
-
- mt2131_writereg(priv, 0x0b, if_band_center);
-
- /* Wait for lock */
- i = 0;
- do {
- mt2131_readreg(priv, 0x08, &lockval);
- if ((lockval & 0x88) == 0x88)
- break;
- msleep(4);
- i++;
- } while (i < 10);
-
- return ret;
-}
-
-static int mt2131_get_frequency(struct dvb_frontend *fe, u32 *frequency)
-{
- struct mt2131_priv *priv = fe->tuner_priv;
- dprintk(1, "%s()\n", __func__);
- *frequency = priv->frequency;
- return 0;
-}
-
-static int mt2131_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
-{
- struct mt2131_priv *priv = fe->tuner_priv;
- dprintk(1, "%s()\n", __func__);
- *bandwidth = priv->bandwidth;
- return 0;
-}
-
-static int mt2131_get_status(struct dvb_frontend *fe, u32 *status)
-{
- struct mt2131_priv *priv = fe->tuner_priv;
- u8 lock_status = 0;
- u8 afc_status = 0;
-
- *status = 0;
-
- mt2131_readreg(priv, 0x08, &lock_status);
- if ((lock_status & 0x88) == 0x88)
- *status = TUNER_STATUS_LOCKED;
-
- mt2131_readreg(priv, 0x09, &afc_status);
- dprintk(1, "%s() - LO Status = 0x%x, AFC Status = 0x%x\n",
- __func__, lock_status, afc_status);
-
- return 0;
-}
-
-static int mt2131_init(struct dvb_frontend *fe)
-{
- struct mt2131_priv *priv = fe->tuner_priv;
- int ret;
- dprintk(1, "%s()\n", __func__);
-
- if ((ret = mt2131_writeregs(priv, mt2131_config1,
- sizeof(mt2131_config1))) < 0)
- return ret;
-
- mt2131_writereg(priv, 0x0b, 0x09);
- mt2131_writereg(priv, 0x15, 0x47);
- mt2131_writereg(priv, 0x07, 0xf2);
- mt2131_writereg(priv, 0x0b, 0x01);
-
- if ((ret = mt2131_writeregs(priv, mt2131_config2,
- sizeof(mt2131_config2))) < 0)
- return ret;
-
- return ret;
-}
-
-static int mt2131_release(struct dvb_frontend *fe)
-{
- dprintk(1, "%s()\n", __func__);
- kfree(fe->tuner_priv);
- fe->tuner_priv = NULL;
- return 0;
-}
-
-static const struct dvb_tuner_ops mt2131_tuner_ops = {
- .info = {
- .name = "Microtune MT2131",
- .frequency_min = 48000000,
- .frequency_max = 860000000,
- .frequency_step = 50000,
- },
-
- .release = mt2131_release,
- .init = mt2131_init,
-
- .set_params = mt2131_set_params,
- .get_frequency = mt2131_get_frequency,
- .get_bandwidth = mt2131_get_bandwidth,
- .get_status = mt2131_get_status
-};
-
-struct dvb_frontend * mt2131_attach(struct dvb_frontend *fe,
- struct i2c_adapter *i2c,
- struct mt2131_config *cfg, u16 if1)
-{
- struct mt2131_priv *priv = NULL;
- u8 id = 0;
-
- dprintk(1, "%s()\n", __func__);
-
- priv = kzalloc(sizeof(struct mt2131_priv), GFP_KERNEL);
- if (priv == NULL)
- return NULL;
-
- priv->cfg = cfg;
- priv->bandwidth = 6000000; /* 6MHz */
- priv->i2c = i2c;
-
- if (mt2131_readreg(priv, 0, &id) != 0) {
- kfree(priv);
- return NULL;
- }
- if ( (id != 0x3E) && (id != 0x3F) ) {
- printk(KERN_ERR "MT2131: Device not found at addr 0x%02x\n",
- cfg->i2c_address);
- kfree(priv);
- return NULL;
- }
-
- printk(KERN_INFO "MT2131: successfully identified at address 0x%02x\n",
- cfg->i2c_address);
- memcpy(&fe->ops.tuner_ops, &mt2131_tuner_ops,
- sizeof(struct dvb_tuner_ops));
-
- fe->tuner_priv = priv;
- return fe;
-}
-EXPORT_SYMBOL(mt2131_attach);
-
-MODULE_AUTHOR("Steven Toth");
-MODULE_DESCRIPTION("Microtune MT2131 silicon tuner driver");
-MODULE_LICENSE("GPL");
-
-/*
- * Local variables:
- * c-basic-offset: 8
- */
+++ /dev/null
-/*
- * Driver for Microtune MT2131 "QAM/8VSB single chip tuner"
- *
- * Copyright (c) 2006 Steven Toth <stoth@hauppauge.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 __MT2131_H__
-#define __MT2131_H__
-
-struct dvb_frontend;
-struct i2c_adapter;
-
-struct mt2131_config {
- u8 i2c_address;
- u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */
-};
-
-#if defined(CONFIG_DVB_TUNER_MT2131) || (defined(CONFIG_DVB_TUNER_MT2131_MODULE) && defined(MODULE))
-extern struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
- struct i2c_adapter *i2c,
- struct mt2131_config *cfg,
- u16 if1);
-#else
-static inline struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe,
- struct i2c_adapter *i2c,
- struct mt2131_config *cfg,
- u16 if1)
-{
- printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
- return NULL;
-}
-#endif /* CONFIG_DVB_TUNER_MT2131 */
-
-#endif /* __MT2131_H__ */
-
-/*
- * Local variables:
- * c-basic-offset: 8
- */
+++ /dev/null
-/*
- * Driver for Microtune MT2131 "QAM/8VSB single chip tuner"
- *
- * Copyright (c) 2006 Steven Toth <stoth@hauppauge.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 __MT2131_PRIV_H__
-#define __MT2131_PRIV_H__
-
-/* Regs */
-#define MT2131_PWR 0x07
-#define MT2131_UPC_1 0x0b
-#define MT2131_AGC_RL 0x10
-#define MT2131_MISC_2 0x15
-
-/* frequency values in KHz */
-#define MT2131_IF1 1220
-#define MT2131_IF2 44000
-#define MT2131_FREF 16000
-
-struct mt2131_priv {
- struct mt2131_config *cfg;
- struct i2c_adapter *i2c;
-
- u32 frequency;
- u32 bandwidth;
-};
-
-#endif /* __MT2131_PRIV_H__ */
-
-/*
- * Local variables:
- * c-basic-offset: 8
- */
+++ /dev/null
-/*
- * Driver for Microtune MT2266 "Direct conversion low power broadband tuner"
- *
- * Copyright (c) 2007 Olivier DANET <odanet@caramail.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.
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/dvb/frontend.h>
-#include <linux/i2c.h>
-
-#include "dvb_frontend.h"
-#include "mt2266.h"
-
-#define I2C_ADDRESS 0x60
-
-#define REG_PART_REV 0
-#define REG_TUNE 1
-#define REG_BAND 6
-#define REG_BANDWIDTH 8
-#define REG_LOCK 0x12
-
-#define PART_REV 0x85
-
-struct mt2266_priv {
- struct mt2266_config *cfg;
- struct i2c_adapter *i2c;
-
- u32 frequency;
- u32 bandwidth;
- u8 band;
-};
-
-#define MT2266_VHF 1
-#define MT2266_UHF 0
-
-/* Here, frequencies are expressed in kiloHertz to avoid 32 bits overflows */
-
-static int debug;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
-
-#define dprintk(args...) do { if (debug) {printk(KERN_DEBUG "MT2266: " args); printk("\n"); }} while (0)
-
-// Reads a single register
-static int mt2266_readreg(struct mt2266_priv *priv, u8 reg, u8 *val)
-{
- struct i2c_msg msg[2] = {
- { .addr = priv->cfg->i2c_address, .flags = 0, .buf = ®, .len = 1 },
- { .addr = priv->cfg->i2c_address, .flags = I2C_M_RD, .buf = val, .len = 1 },
- };
- if (i2c_transfer(priv->i2c, msg, 2) != 2) {
- printk(KERN_WARNING "MT2266 I2C read failed\n");
- return -EREMOTEIO;
- }
- return 0;
-}
-
-// Writes a single register
-static int mt2266_writereg(struct mt2266_priv *priv, u8 reg, u8 val)
-{
- u8 buf[2] = { reg, val };
- struct i2c_msg msg = {
- .addr = priv->cfg->i2c_address, .flags = 0, .buf = buf, .len = 2
- };
- if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
- printk(KERN_WARNING "MT2266 I2C write failed\n");
- return -EREMOTEIO;
- }
- return 0;
-}
-
-// Writes a set of consecutive registers
-static int mt2266_writeregs(struct mt2266_priv *priv,u8 *buf, u8 len)
-{
- struct i2c_msg msg = {
- .addr = priv->cfg->i2c_address, .flags = 0, .buf = buf, .len = len
- };
- if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
- printk(KERN_WARNING "MT2266 I2C write failed (len=%i)\n",(int)len);
- return -EREMOTEIO;
- }
- return 0;
-}
-
-// Initialisation sequences
-static u8 mt2266_init1[] = { REG_TUNE, 0x00, 0x00, 0x28,
- 0x00, 0x52, 0x99, 0x3f };
-
-static u8 mt2266_init2[] = {
- 0x17, 0x6d, 0x71, 0x61, 0xc0, 0xbf, 0xff, 0xdc, 0x00, 0x0a, 0xd4,
- 0x03, 0x64, 0x64, 0x64, 0x64, 0x22, 0xaa, 0xf2, 0x1e, 0x80, 0x14,
- 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x7f, 0x5e, 0x3f, 0xff, 0xff,
- 0xff, 0x00, 0x77, 0x0f, 0x2d
-};
-
-static u8 mt2266_init_8mhz[] = { REG_BANDWIDTH, 0x22, 0x22, 0x22, 0x22,
- 0x22, 0x22, 0x22, 0x22 };
-
-static u8 mt2266_init_7mhz[] = { REG_BANDWIDTH, 0x32, 0x32, 0x32, 0x32,
- 0x32, 0x32, 0x32, 0x32 };
-
-static u8 mt2266_init_6mhz[] = { REG_BANDWIDTH, 0xa7, 0xa7, 0xa7, 0xa7,
- 0xa7, 0xa7, 0xa7, 0xa7 };
-
-static u8 mt2266_uhf[] = { 0x1d, 0xdc, 0x00, 0x0a, 0xd4, 0x03, 0x64, 0x64,
- 0x64, 0x64, 0x22, 0xaa, 0xf2, 0x1e, 0x80, 0x14 };
-
-static u8 mt2266_vhf[] = { 0x1d, 0xfe, 0x00, 0x00, 0xb4, 0x03, 0xa5, 0xa5,
- 0xa5, 0xa5, 0x82, 0xaa, 0xf1, 0x17, 0x80, 0x1f };
-
-#define FREF 30000 // Quartz oscillator 30 MHz
-
-static int mt2266_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
-{
- struct mt2266_priv *priv;
- int ret=0;
- u32 freq;
- u32 tune;
- u8 lnaband;
- u8 b[10];
- int i;
- u8 band;
-
- priv = fe->tuner_priv;
-
- freq = params->frequency / 1000; // Hz -> kHz
- if (freq < 470000 && freq > 230000)
- return -EINVAL; /* Gap between VHF and UHF bands */
- priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
- priv->frequency = freq * 1000;
-
- tune = 2 * freq * (8192/16) / (FREF/16);
- band = (freq < 300000) ? MT2266_VHF : MT2266_UHF;
- if (band == MT2266_VHF)
- tune *= 2;
-
- switch (params->u.ofdm.bandwidth) {
- case BANDWIDTH_6_MHZ:
- mt2266_writeregs(priv, mt2266_init_6mhz,
- sizeof(mt2266_init_6mhz));
- break;
- case BANDWIDTH_7_MHZ:
- mt2266_writeregs(priv, mt2266_init_7mhz,
- sizeof(mt2266_init_7mhz));
- break;
- case BANDWIDTH_8_MHZ:
- default:
- mt2266_writeregs(priv, mt2266_init_8mhz,
- sizeof(mt2266_init_8mhz));
- break;
- }
-
- if (band == MT2266_VHF && priv->band == MT2266_UHF) {
- dprintk("Switch from UHF to VHF");
- mt2266_writereg(priv, 0x05, 0x04);
- mt2266_writereg(priv, 0x19, 0x61);
- mt2266_writeregs(priv, mt2266_vhf, sizeof(mt2266_vhf));
- } else if (band == MT2266_UHF && priv->band == MT2266_VHF) {
- dprintk("Switch from VHF to UHF");
- mt2266_writereg(priv, 0x05, 0x52);
- mt2266_writereg(priv, 0x19, 0x61);
- mt2266_writeregs(priv, mt2266_uhf, sizeof(mt2266_uhf));
- }
- msleep(10);
-
- if (freq <= 495000)
- lnaband = 0xEE;
- else if (freq <= 525000)
- lnaband = 0xDD;
- else if (freq <= 550000)
- lnaband = 0xCC;
- else if (freq <= 580000)
- lnaband = 0xBB;
- else if (freq <= 605000)
- lnaband = 0xAA;
- else if (freq <= 630000)
- lnaband = 0x99;
- else if (freq <= 655000)
- lnaband = 0x88;
- else if (freq <= 685000)
- lnaband = 0x77;
- else if (freq <= 710000)
- lnaband = 0x66;
- else if (freq <= 735000)
- lnaband = 0x55;
- else if (freq <= 765000)
- lnaband = 0x44;
- else if (freq <= 802000)
- lnaband = 0x33;
- else if (freq <= 840000)
- lnaband = 0x22;
- else
- lnaband = 0x11;
-
- b[0] = REG_TUNE;
- b[1] = (tune >> 8) & 0x1F;
- b[2] = tune & 0xFF;
- b[3] = tune >> 13;
- mt2266_writeregs(priv,b,4);
-
- dprintk("set_parms: tune=%d band=%d %s",
- (int) tune, (int) lnaband,
- (band == MT2266_UHF) ? "UHF" : "VHF");
- dprintk("set_parms: [1..3]: %2x %2x %2x",
- (int) b[1], (int) b[2], (int)b[3]);
-
- if (band == MT2266_UHF) {
- b[0] = 0x05;
- b[1] = (priv->band == MT2266_VHF) ? 0x52 : 0x62;
- b[2] = lnaband;
- mt2266_writeregs(priv, b, 3);
- }
-
- /* Wait for pll lock or timeout */
- i = 0;
- do {
- mt2266_readreg(priv,REG_LOCK,b);
- if (b[0] & 0x40)
- break;
- msleep(10);
- i++;
- } while (i<10);
- dprintk("Lock when i=%i",(int)i);
-
- if (band == MT2266_UHF && priv->band == MT2266_VHF)
- mt2266_writereg(priv, 0x05, 0x62);
-
- priv->band = band;
-
- return ret;
-}
-
-static void mt2266_calibrate(struct mt2266_priv *priv)
-{
- mt2266_writereg(priv, 0x11, 0x03);
- mt2266_writereg(priv, 0x11, 0x01);
- mt2266_writeregs(priv, mt2266_init1, sizeof(mt2266_init1));
- mt2266_writeregs(priv, mt2266_init2, sizeof(mt2266_init2));
- mt2266_writereg(priv, 0x33, 0x5e);
- mt2266_writereg(priv, 0x10, 0x10);
- mt2266_writereg(priv, 0x10, 0x00);
- mt2266_writeregs(priv, mt2266_init_8mhz, sizeof(mt2266_init_8mhz));
- msleep(25);
- mt2266_writereg(priv, 0x17, 0x6d);
- mt2266_writereg(priv, 0x1c, 0x00);
- msleep(75);
- mt2266_writereg(priv, 0x17, 0x6d);
- mt2266_writereg(priv, 0x1c, 0xff);
-}
-
-static int mt2266_get_frequency(struct dvb_frontend *fe, u32 *frequency)
-{
- struct mt2266_priv *priv = fe->tuner_priv;
- *frequency = priv->frequency;
- return 0;
-}
-
-static int mt2266_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
-{
- struct mt2266_priv *priv = fe->tuner_priv;
- *bandwidth = priv->bandwidth;
- return 0;
-}
-
-static int mt2266_init(struct dvb_frontend *fe)
-{
- int ret;
- struct mt2266_priv *priv = fe->tuner_priv;
- ret = mt2266_writereg(priv, 0x17, 0x6d);
- if (ret < 0)
- return ret;
- ret = mt2266_writereg(priv, 0x1c, 0xff);
- if (ret < 0)
- return ret;
- return 0;
-}
-
-static int mt2266_sleep(struct dvb_frontend *fe)
-{
- struct mt2266_priv *priv = fe->tuner_priv;
- mt2266_writereg(priv, 0x17, 0x6d);
- mt2266_writereg(priv, 0x1c, 0x00);
- return 0;
-}
-
-static int mt2266_release(struct dvb_frontend *fe)
-{
- kfree(fe->tuner_priv);
- fe->tuner_priv = NULL;
- return 0;
-}
-
-static const struct dvb_tuner_ops mt2266_tuner_ops = {
- .info = {
- .name = "Microtune MT2266",
- .frequency_min = 174000000,
- .frequency_max = 862000000,
- .frequency_step = 50000,
- },
- .release = mt2266_release,
- .init = mt2266_init,
- .sleep = mt2266_sleep,
- .set_params = mt2266_set_params,
- .get_frequency = mt2266_get_frequency,
- .get_bandwidth = mt2266_get_bandwidth
-};
-
-struct dvb_frontend * mt2266_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2266_config *cfg)
-{
- struct mt2266_priv *priv = NULL;
- u8 id = 0;
-
- priv = kzalloc(sizeof(struct mt2266_priv), GFP_KERNEL);
- if (priv == NULL)
- return NULL;
-
- priv->cfg = cfg;
- priv->i2c = i2c;
- priv->band = MT2266_UHF;
-
- if (mt2266_readreg(priv, 0, &id)) {
- kfree(priv);
- return NULL;
- }
- if (id != PART_REV) {
- kfree(priv);
- return NULL;
- }
- printk(KERN_INFO "MT2266: successfully identified\n");
- memcpy(&fe->ops.tuner_ops, &mt2266_tuner_ops, sizeof(struct dvb_tuner_ops));
-
- fe->tuner_priv = priv;
- mt2266_calibrate(priv);
- return fe;
-}
-EXPORT_SYMBOL(mt2266_attach);
-
-MODULE_AUTHOR("Olivier DANET");
-MODULE_DESCRIPTION("Microtune MT2266 silicon tuner driver");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * Driver for Microtune MT2266 "Direct conversion low power broadband tuner"
- *
- * Copyright (c) 2007 Olivier DANET <odanet@caramail.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.
- */
-
-#ifndef MT2266_H
-#define MT2266_H
-
-struct dvb_frontend;
-struct i2c_adapter;
-
-struct mt2266_config {
- u8 i2c_address;
-};
-
-#if defined(CONFIG_DVB_TUNER_MT2266) || (defined(CONFIG_DVB_TUNER_MT2266_MODULE) && defined(MODULE))
-extern struct dvb_frontend * mt2266_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2266_config *cfg);
-#else
-static inline struct dvb_frontend * mt2266_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2266_config *cfg)
-{
- printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
- return NULL;
-}
-#endif // CONFIG_DVB_TUNER_MT2266
-
-#endif
+++ /dev/null
-/*
- * Driver for Quantek QT1010 silicon tuner
- *
- * Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
- * Aapo Tahkola <aet@rasterburn.org>
- *
- * 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 "qt1010.h"
-#include "qt1010_priv.h"
-
-static int debug;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
-
-#define dprintk(args...) \
- do { \
- if (debug) printk(KERN_DEBUG "QT1010: " args); \
- } while (0)
-
-/* read single register */
-static int qt1010_readreg(struct qt1010_priv *priv, u8 reg, u8 *val)
-{
- struct i2c_msg msg[2] = {
- { .addr = priv->cfg->i2c_address,
- .flags = 0, .buf = ®, .len = 1 },
- { .addr = priv->cfg->i2c_address,
- .flags = I2C_M_RD, .buf = val, .len = 1 },
- };
-
- if (i2c_transfer(priv->i2c, msg, 2) != 2) {
- printk(KERN_WARNING "qt1010 I2C read failed\n");
- return -EREMOTEIO;
- }
- return 0;
-}
-
-/* write single register */
-static int qt1010_writereg(struct qt1010_priv *priv, u8 reg, u8 val)
-{
- u8 buf[2] = { reg, val };
- struct i2c_msg msg = { .addr = priv->cfg->i2c_address,
- .flags = 0, .buf = buf, .len = 2 };
-
- if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
- printk(KERN_WARNING "qt1010 I2C write failed\n");
- return -EREMOTEIO;
- }
- return 0;
-}
-
-/* dump all registers */
-static void qt1010_dump_regs(struct qt1010_priv *priv)
-{
- char buf[52], buf2[4];
- u8 reg, val;
-
- for (reg = 0; ; reg++) {
- if (reg % 16 == 0) {
- if (reg)
- printk("%s\n", buf);
- sprintf(buf, "%02x: ", reg);
- }
- if (qt1010_readreg(priv, reg, &val) == 0)
- sprintf(buf2, "%02x ", val);
- else
- strcpy(buf2, "-- ");
- strcat(buf, buf2);
- if (reg == 0x2f)
- break;
- }
- printk("%s\n", buf);
-}
-
-static int qt1010_set_params(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *params)
-{
- struct qt1010_priv *priv;
- int err;
- u32 freq, div, mod1, mod2;
- u8 i, tmpval, reg05;
- qt1010_i2c_oper_t rd[48] = {
- { QT1010_WR, 0x01, 0x80 },
- { QT1010_WR, 0x02, 0x3f },
- { QT1010_WR, 0x05, 0xff }, /* 02 c write */
- { QT1010_WR, 0x06, 0x44 },
- { QT1010_WR, 0x07, 0xff }, /* 04 c write */
- { QT1010_WR, 0x08, 0x08 },
- { QT1010_WR, 0x09, 0xff }, /* 06 c write */
- { QT1010_WR, 0x0a, 0xff }, /* 07 c write */
- { QT1010_WR, 0x0b, 0xff }, /* 08 c write */
- { QT1010_WR, 0x0c, 0xe1 },
- { QT1010_WR, 0x1a, 0xff }, /* 10 c write */
- { QT1010_WR, 0x1b, 0x00 },
- { QT1010_WR, 0x1c, 0x89 },
- { QT1010_WR, 0x11, 0xff }, /* 13 c write */
- { QT1010_WR, 0x12, 0xff }, /* 14 c write */
- { QT1010_WR, 0x22, 0xff }, /* 15 c write */
- { QT1010_WR, 0x1e, 0x00 },
- { QT1010_WR, 0x1e, 0xd0 },
- { QT1010_RD, 0x22, 0xff }, /* 16 c read */
- { QT1010_WR, 0x1e, 0x00 },
- { QT1010_RD, 0x05, 0xff }, /* 20 c read */
- { QT1010_RD, 0x22, 0xff }, /* 21 c read */
- { QT1010_WR, 0x23, 0xd0 },
- { QT1010_WR, 0x1e, 0x00 },
- { QT1010_WR, 0x1e, 0xe0 },
- { QT1010_RD, 0x23, 0xff }, /* 25 c read */
- { QT1010_RD, 0x23, 0xff }, /* 26 c read */
- { QT1010_WR, 0x1e, 0x00 },
- { QT1010_WR, 0x24, 0xd0 },
- { QT1010_WR, 0x1e, 0x00 },
- { QT1010_WR, 0x1e, 0xf0 },
- { QT1010_RD, 0x24, 0xff }, /* 31 c read */
- { QT1010_WR, 0x1e, 0x00 },
- { QT1010_WR, 0x14, 0x7f },
- { QT1010_WR, 0x15, 0x7f },
- { QT1010_WR, 0x05, 0xff }, /* 35 c write */
- { QT1010_WR, 0x06, 0x00 },
- { QT1010_WR, 0x15, 0x1f },
- { QT1010_WR, 0x16, 0xff },
- { QT1010_WR, 0x18, 0xff },
- { QT1010_WR, 0x1f, 0xff }, /* 40 c write */
- { QT1010_WR, 0x20, 0xff }, /* 41 c write */
- { QT1010_WR, 0x21, 0x53 },
- { QT1010_WR, 0x25, 0xff }, /* 43 c write */
- { QT1010_WR, 0x26, 0x15 },
- { QT1010_WR, 0x00, 0xff }, /* 45 c write */
- { QT1010_WR, 0x02, 0x00 },
- { QT1010_WR, 0x01, 0x00 }
- };
-
-#define FREQ1 32000000 /* 32 MHz */
-#define FREQ2 4000000 /* 4 MHz Quartz oscillator in the stick? */
-
- priv = fe->tuner_priv;
- freq = params->frequency;
- div = (freq + QT1010_OFFSET) / QT1010_STEP;
- freq = (div * QT1010_STEP) - QT1010_OFFSET;
- mod1 = (freq + QT1010_OFFSET) % FREQ1;
- mod2 = (freq + QT1010_OFFSET) % FREQ2;
- priv->bandwidth =
- (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
- priv->frequency = freq;
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */
-
- /* reg 05 base value */
- if (freq < 290000000) reg05 = 0x14; /* 290 MHz */
- else if (freq < 610000000) reg05 = 0x34; /* 610 MHz */
- else if (freq < 802000000) reg05 = 0x54; /* 802 MHz */
- else reg05 = 0x74;
-
- /* 0x5 */
- rd[2].val = reg05;
-
- /* 07 - set frequency: 32 MHz scale */
- rd[4].val = (freq + QT1010_OFFSET) / FREQ1;
-
- /* 09 - changes every 8/24 MHz */
- if (mod1 < 8000000) rd[6].val = 0x1d;
- else rd[6].val = 0x1c;
-
- /* 0a - set frequency: 4 MHz scale (max 28 MHz) */
- if (mod1 < 1*FREQ2) rd[7].val = 0x09; /* +0 MHz */
- else if (mod1 < 2*FREQ2) rd[7].val = 0x08; /* +4 MHz */
- else if (mod1 < 3*FREQ2) rd[7].val = 0x0f; /* +8 MHz */
- else if (mod1 < 4*FREQ2) rd[7].val = 0x0e; /* +12 MHz */
- else if (mod1 < 5*FREQ2) rd[7].val = 0x0d; /* +16 MHz */
- else if (mod1 < 6*FREQ2) rd[7].val = 0x0c; /* +20 MHz */
- else if (mod1 < 7*FREQ2) rd[7].val = 0x0b; /* +24 MHz */
- else rd[7].val = 0x0a; /* +28 MHz */
-
- /* 0b - changes every 2/2 MHz */
- if (mod2 < 2000000) rd[8].val = 0x45;
- else rd[8].val = 0x44;
-
- /* 1a - set frequency: 125 kHz scale (max 3875 kHz)*/
- tmpval = 0x78; /* byte, overflows intentionally */
- rd[10].val = tmpval-((mod2/QT1010_STEP)*0x08);
-
- /* 11 */
- rd[13].val = 0xfd; /* TODO: correct value calculation */
-
- /* 12 */
- rd[14].val = 0x91; /* TODO: correct value calculation */
-
- /* 22 */
- if (freq < 450000000) rd[15].val = 0xd0; /* 450 MHz */
- else if (freq < 482000000) rd[15].val = 0xd1; /* 482 MHz */
- else if (freq < 514000000) rd[15].val = 0xd4; /* 514 MHz */
- else if (freq < 546000000) rd[15].val = 0xd7; /* 546 MHz */
- else if (freq < 610000000) rd[15].val = 0xda; /* 610 MHz */
- else rd[15].val = 0xd0;
-
- /* 05 */
- rd[35].val = (reg05 & 0xf0);
-
- /* 1f */
- if (mod1 < 8000000) tmpval = 0x00;
- else if (mod1 < 12000000) tmpval = 0x01;
- else if (mod1 < 16000000) tmpval = 0x02;
- else if (mod1 < 24000000) tmpval = 0x03;
- else if (mod1 < 28000000) tmpval = 0x04;
- else tmpval = 0x05;
- rd[40].val = (priv->reg1f_init_val + 0x0e + tmpval);
-
- /* 20 */
- if (mod1 < 8000000) tmpval = 0x00;
- else if (mod1 < 12000000) tmpval = 0x01;
- else if (mod1 < 20000000) tmpval = 0x02;
- else if (mod1 < 24000000) tmpval = 0x03;
- else if (mod1 < 28000000) tmpval = 0x04;
- else tmpval = 0x05;
- rd[41].val = (priv->reg20_init_val + 0x0d + tmpval);
-
- /* 25 */
- rd[43].val = priv->reg25_init_val;
-
- /* 00 */
- rd[45].val = 0x92; /* TODO: correct value calculation */
-
- dprintk("freq:%u 05:%02x 07:%02x 09:%02x 0a:%02x 0b:%02x " \
- "1a:%02x 11:%02x 12:%02x 22:%02x 05:%02x 1f:%02x " \
- "20:%02x 25:%02x 00:%02x", \
- freq, rd[2].val, rd[4].val, rd[6].val, rd[7].val, rd[8].val, \
- rd[10].val, rd[13].val, rd[14].val, rd[15].val, rd[35].val, \
- rd[40].val, rd[41].val, rd[43].val, rd[45].val);
-
- for (i = 0; i < ARRAY_SIZE(rd); i++) {
- if (rd[i].oper == QT1010_WR) {
- err = qt1010_writereg(priv, rd[i].reg, rd[i].val);
- } else { /* read is required to proper locking */
- err = qt1010_readreg(priv, rd[i].reg, &tmpval);
- }
- if (err) return err;
- }
-
- if (debug)
- qt1010_dump_regs(priv);
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */
-
- return 0;
-}
-
-static int qt1010_init_meas1(struct qt1010_priv *priv,
- u8 oper, u8 reg, u8 reg_init_val, u8 *retval)
-{
- u8 i, val1, val2;
- int err;
-
- qt1010_i2c_oper_t i2c_data[] = {
- { QT1010_WR, reg, reg_init_val },
- { QT1010_WR, 0x1e, 0x00 },
- { QT1010_WR, 0x1e, oper },
- { QT1010_RD, reg, 0xff }
- };
-
- for (i = 0; i < ARRAY_SIZE(i2c_data); i++) {
- if (i2c_data[i].oper == QT1010_WR) {
- err = qt1010_writereg(priv, i2c_data[i].reg,
- i2c_data[i].val);
- } else {
- err = qt1010_readreg(priv, i2c_data[i].reg, &val2);
- }
- if (err) return err;
- }
-
- do {
- val1 = val2;
- err = qt1010_readreg(priv, reg, &val2);
- if (err) return err;
- dprintk("compare reg:%02x %02x %02x", reg, val1, val2);
- } while (val1 != val2);
- *retval = val1;
-
- return qt1010_writereg(priv, 0x1e, 0x00);
-}
-
-static u8 qt1010_init_meas2(struct qt1010_priv *priv,
- u8 reg_init_val, u8 *retval)
-{
- u8 i, val;
- int err;
- qt1010_i2c_oper_t i2c_data[] = {
- { QT1010_WR, 0x07, reg_init_val },
- { QT1010_WR, 0x22, 0xd0 },
- { QT1010_WR, 0x1e, 0x00 },
- { QT1010_WR, 0x1e, 0xd0 },
- { QT1010_RD, 0x22, 0xff },
- { QT1010_WR, 0x1e, 0x00 },
- { QT1010_WR, 0x22, 0xff }
- };
- for (i = 0; i < ARRAY_SIZE(i2c_data); i++) {
- if (i2c_data[i].oper == QT1010_WR) {
- err = qt1010_writereg(priv, i2c_data[i].reg,
- i2c_data[i].val);
- } else {
- err = qt1010_readreg(priv, i2c_data[i].reg, &val);
- }
- if (err) return err;
- }
- *retval = val;
- return 0;
-}
-
-static int qt1010_init(struct dvb_frontend *fe)
-{
- struct qt1010_priv *priv = fe->tuner_priv;
- struct dvb_frontend_parameters params;
- int err = 0;
- u8 i, tmpval, *valptr = NULL;
-
- qt1010_i2c_oper_t i2c_data[] = {
- { QT1010_WR, 0x01, 0x80 },
- { QT1010_WR, 0x0d, 0x84 },
- { QT1010_WR, 0x0e, 0xb7 },
- { QT1010_WR, 0x2a, 0x23 },
- { QT1010_WR, 0x2c, 0xdc },
- { QT1010_M1, 0x25, 0x40 }, /* get reg 25 init value */
- { QT1010_M1, 0x81, 0xff }, /* get reg 25 init value */
- { QT1010_WR, 0x2b, 0x70 },
- { QT1010_WR, 0x2a, 0x23 },
- { QT1010_M1, 0x26, 0x08 },
- { QT1010_M1, 0x82, 0xff },
- { QT1010_WR, 0x05, 0x14 },
- { QT1010_WR, 0x06, 0x44 },
- { QT1010_WR, 0x07, 0x28 },
- { QT1010_WR, 0x08, 0x0b },
- { QT1010_WR, 0x11, 0xfd },
- { QT1010_M1, 0x22, 0x0d },
- { QT1010_M1, 0xd0, 0xff },
- { QT1010_WR, 0x06, 0x40 },
- { QT1010_WR, 0x16, 0xf0 },
- { QT1010_WR, 0x02, 0x38 },
- { QT1010_WR, 0x03, 0x18 },
- { QT1010_WR, 0x20, 0xe0 },
- { QT1010_M1, 0x1f, 0x20 }, /* get reg 1f init value */
- { QT1010_M1, 0x84, 0xff }, /* get reg 1f init value */
- { QT1010_RD, 0x20, 0x20 }, /* get reg 20 init value */
- { QT1010_WR, 0x03, 0x19 },
- { QT1010_WR, 0x02, 0x3f },
- { QT1010_WR, 0x21, 0x53 },
- { QT1010_RD, 0x21, 0xff },
- { QT1010_WR, 0x11, 0xfd },
- { QT1010_WR, 0x05, 0x34 },
- { QT1010_WR, 0x06, 0x44 },
- { QT1010_WR, 0x08, 0x08 }
- };
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */
-
- for (i = 0; i < ARRAY_SIZE(i2c_data); i++) {
- switch (i2c_data[i].oper) {
- case QT1010_WR:
- err = qt1010_writereg(priv, i2c_data[i].reg,
- i2c_data[i].val);
- break;
- case QT1010_RD:
- if (i2c_data[i].val == 0x20)
- valptr = &priv->reg20_init_val;
- else
- valptr = &tmpval;
- err = qt1010_readreg(priv, i2c_data[i].reg, valptr);
- break;
- case QT1010_M1:
- if (i2c_data[i].val == 0x25)
- valptr = &priv->reg25_init_val;
- else if (i2c_data[i].val == 0x1f)
- valptr = &priv->reg1f_init_val;
- else
- valptr = &tmpval;
- err = qt1010_init_meas1(priv, i2c_data[i+1].reg,
- i2c_data[i].reg,
- i2c_data[i].val, valptr);
- i++;
- break;
- }
- if (err) return err;
- }
-
- for (i = 0x31; i < 0x3a; i++) /* 0x31 - 0x39 */
- if ((err = qt1010_init_meas2(priv, i, &tmpval)))
- return err;
-
- params.frequency = 545000000; /* Sigmatek DVB-110 545000000 */
- /* MSI Megasky 580 GL861 533000000 */
- return qt1010_set_params(fe, ¶ms);
-}
-
-static int qt1010_release(struct dvb_frontend *fe)
-{
- kfree(fe->tuner_priv);
- fe->tuner_priv = NULL;
- return 0;
-}
-
-static int qt1010_get_frequency(struct dvb_frontend *fe, u32 *frequency)
-{
- struct qt1010_priv *priv = fe->tuner_priv;
- *frequency = priv->frequency;
- return 0;
-}
-
-static int qt1010_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
-{
- struct qt1010_priv *priv = fe->tuner_priv;
- *bandwidth = priv->bandwidth;
- return 0;
-}
-
-static const struct dvb_tuner_ops qt1010_tuner_ops = {
- .info = {
- .name = "Quantek QT1010",
- .frequency_min = QT1010_MIN_FREQ,
- .frequency_max = QT1010_MAX_FREQ,
- .frequency_step = QT1010_STEP,
- },
-
- .release = qt1010_release,
- .init = qt1010_init,
- /* TODO: implement sleep */
-
- .set_params = qt1010_set_params,
- .get_frequency = qt1010_get_frequency,
- .get_bandwidth = qt1010_get_bandwidth
-};
-
-struct dvb_frontend * qt1010_attach(struct dvb_frontend *fe,
- struct i2c_adapter *i2c,
- struct qt1010_config *cfg)
-{
- struct qt1010_priv *priv = NULL;
- u8 id;
-
- priv = kzalloc(sizeof(struct qt1010_priv), GFP_KERNEL);
- if (priv == NULL)
- return NULL;
-
- priv->cfg = cfg;
- priv->i2c = i2c;
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */
-
-
- /* Try to detect tuner chip. Probably this is not correct register. */
- if (qt1010_readreg(priv, 0x29, &id) != 0 || (id != 0x39)) {
- kfree(priv);
- return NULL;
- }
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */
-
- printk(KERN_INFO "Quantek QT1010 successfully identified.\n");
- memcpy(&fe->ops.tuner_ops, &qt1010_tuner_ops,
- sizeof(struct dvb_tuner_ops));
-
- fe->tuner_priv = priv;
- return fe;
-}
-EXPORT_SYMBOL(qt1010_attach);
-
-MODULE_DESCRIPTION("Quantek QT1010 silicon tuner driver");
-MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
-MODULE_AUTHOR("Aapo Tahkola <aet@rasterburn.org>");
-MODULE_VERSION("0.1");
-MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * Driver for Quantek QT1010 silicon tuner
- *
- * Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
- * Aapo Tahkola <aet@rasterburn.org>
- *
- * 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 QT1010_H
-#define QT1010_H
-
-#include "dvb_frontend.h"
-
-struct qt1010_config {
- u8 i2c_address;
-};
-
-/**
- * Attach a qt1010 tuner to the supplied frontend structure.
- *
- * @param fe frontend to attach to
- * @param i2c i2c adapter to use
- * @param cfg tuner hw based configuration
- * @return fe pointer on success, NULL on failure
- */
-#if defined(CONFIG_DVB_TUNER_QT1010) || (defined(CONFIG_DVB_TUNER_QT1010_MODULE) && defined(MODULE))
-extern struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
- struct i2c_adapter *i2c,
- struct qt1010_config *cfg);
-#else
-static inline struct dvb_frontend *qt1010_attach(struct dvb_frontend *fe,
- struct i2c_adapter *i2c,
- struct qt1010_config *cfg)
-{
- printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
- return NULL;
-}
-#endif // CONFIG_DVB_TUNER_QT1010
-
-#endif
+++ /dev/null
-/*
- * Driver for Quantek QT1010 silicon tuner
- *
- * Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
- * Aapo Tahkola <aet@rasterburn.org>
- *
- * 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 QT1010_PRIV_H
-#define QT1010_PRIV_H
-
-/*
-reg def meaning
-=== === =======
-00 00 ?
-01 a0 ? operation start/stop; start=80, stop=00
-02 00 ?
-03 19 ?
-04 00 ?
-05 00 ? maybe band selection
-06 00 ?
-07 2b set frequency: 32 MHz scale, n*32 MHz
-08 0b ?
-09 10 ? changes every 8/24 MHz; values 1d/1c
-0a 08 set frequency: 4 MHz scale, n*4 MHz
-0b 41 ? changes every 2/2 MHz; values 45/45
-0c e1 ?
-0d 94 ?
-0e b6 ?
-0f 2c ?
-10 10 ?
-11 f1 ? maybe device specified adjustment
-12 11 ? maybe device specified adjustment
-13 3f ?
-14 1f ?
-15 3f ?
-16 ff ?
-17 ff ?
-18 f7 ?
-19 80 ?
-1a d0 set frequency: 125 kHz scale, n*125 kHz
-1b 00 ?
-1c 89 ?
-1d 00 ?
-1e 00 ? looks like operation register; write cmd here, read result from 1f-26
-1f 20 ? chip initialization
-20 e0 ? chip initialization
-21 20 ?
-22 d0 ?
-23 d0 ?
-24 d0 ?
-25 40 ? chip initialization
-26 08 ?
-27 29 ?
-28 55 ?
-29 39 ?
-2a 13 ?
-2b 01 ?
-2c ea ?
-2d 00 ?
-2e 00 ? not used?
-2f 00 ? not used?
-*/
-
-#define QT1010_STEP 125000 /* 125 kHz used by Windows drivers,
- hw could be more precise but we don't
- know how to use */
-#define QT1010_MIN_FREQ 48000000 /* 48 MHz */
-#define QT1010_MAX_FREQ 860000000 /* 860 MHz */
-#define QT1010_OFFSET 1246000000 /* 1246 MHz */
-
-#define QT1010_WR 0
-#define QT1010_RD 1
-#define QT1010_M1 3
-
-typedef struct {
- u8 oper, reg, val;
-} qt1010_i2c_oper_t;
-
-struct qt1010_priv {
- struct qt1010_config *cfg;
- struct i2c_adapter *i2c;
-
- u8 reg1f_init_val;
- u8 reg20_init_val;
- u8 reg25_init_val;
-
- u32 frequency;
- u32 bandwidth;
-};
-
-#endif
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff