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.
*/
/* History of this driver (Steven Toth): I was given a public release of a linux driver that included support for the MaxLinear MXL5005S silicon tuner. Analysis of the tuner driver showed clearly three things.
1. The tuner driver didn't support the LinuxTV tuner API so the code Realtek added had to be removed.
2. A significant amount of the driver is reference driver code from MaxLinear, I felt it was important to identify and preserve this.
3. New code has to be added to interface correctly with the LinuxTV API, as a regular kernel module.
Other than the reference driver enum's, I've clearly marked sections of the code and retained the copyright of the respective owners.
*/ #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> #include <linux/string.h> #include <linux/slab.h> #include <linux/delay.h> #include <media/dvb_frontend.h> #include"mxl5005s.h"
staticint debug;
#define dprintk(level, arg...) do { \ if (level <= debug) \
printk(arg); \
} while (0)
/* MXL5005 Tuner Control Struct */ struct TunerControl {
u16 Ctrl_Num; /* Control Number */
u16 size; /* Number of bits to represent Value */
u16 addr[25]; /* Array of Tuner Register Address for each bit pos */
u16 bit[25]; /* Array of bit pos in Reg Addr for each bit pos */
u16 val[25]; /* Binary representation of Value */
};
/* MXL5005 Tuner Struct */ struct mxl5005s_state {
u8 Mode; /* 0: Analog Mode ; 1: Digital Mode */
u8 IF_Mode; /* for Analog Mode, 0: zero IF; 1: low IF */
u32 Chan_Bandwidth; /* filter channel bandwidth (6, 7, 8) */
u32 IF_OUT; /* Desired IF Out Frequency */
u16 IF_OUT_LOAD; /* IF Out Load Resistor (200/300 Ohms) */
u32 RF_IN; /* RF Input Frequency */
u32 Fxtal; /* XTAL Frequency */
u8 AGC_Mode; /* AGC Mode 0: Dual AGC; 1: Single AGC */
u16 TOP; /* Value: take over point */
u8 CLOCK_OUT; /* 0: turn off clk out; 1: turn on clock out */
u8 DIV_OUT; /* 4MHz or 16MHz */
u8 CAPSELECT; /* 0: disable On-Chip pulling cap; 1: enable */
u8 EN_RSSI; /* 0: disable RSSI; 1: enable RSSI */
/* Tracking Filter Type */ /* 0 - Default; 1 - Off; 2 - Type C; 3 - Type C-H */
u8 TF_Type;
/* Calculated Settings */
u32 RF_LO; /* Synth RF LO Frequency */
u32 IF_LO; /* Synth IF LO Frequency */
u32 TG_LO; /* Synth TG_LO Frequency */
/* Pointers to ControlName Arrays */
u16 Init_Ctrl_Num; /* Number of INIT Control Names */ struct TunerControl
Init_Ctrl[INITCTRL_NUM]; /* INIT Control Names Array Pointer */
u16 CH_Ctrl_Num; /* Number of CH Control Names */ struct TunerControl
CH_Ctrl[CHCTRL_NUM]; /* CH Control Name Array Pointer */
u16 MXL_Ctrl_Num; /* Number of MXL Control Names */ struct TunerControl
MXL_Ctrl[MXLCTRL_NUM]; /* MXL Control Name Array Pointer */
/* Pointer to Tuner Register Array */
u16 TunerRegs_Num; /* Number of Tuner Registers */ struct TunerReg
TunerRegs[TUNER_REGS_NUM]; /* Tuner Register Array Pointer */
/* Linux driver framework specific */ struct mxl5005s_config *config; struct dvb_frontend *frontend; struct i2c_adapter *i2c;
/* ---------------------------------------------------------------- * Begin: Custom code salvaged from the Realtek driver. * Copyright (C) 2008 Realtek * Copyright (C) 2008 Jan Hoogenraad * This code is placed under the terms of the GNU General Public License * * Released by Realtek under GPLv2. * Thanks to Realtek for a lot of support we received ! * * Revision: 080314 - original version
*/
if (state->Mode == 1) /* Digital Mode */ { /* remove 20.48MHz setting for 2.6.10 */
state->RF_LO = state->RF_IN; /* change for 2.6.6 */
state->TG_LO = state->RF_IN - 750000;
} else/* Analog Mode */ { if (state->IF_Mode == 0) /* Analog Zero IF mode */ {
state->RF_LO = state->RF_IN - 400000;
state->TG_LO = state->RF_IN - 1750000;
} else/* Analog Low IF mode */ {
state->RF_LO = state->RF_IN - state->Chan_Bandwidth/2;
state->TG_LO = state->RF_IN -
state->Chan_Bandwidth + 500000;
}
}
}
static u16 MXL_OverwriteICDefault(struct dvb_frontend *fe)
{
u16 status = 0;
status += MXL_ControlWrite(fe, OVERRIDE_1, 1);
status += MXL_ControlWrite(fe, OVERRIDE_2, 1);
status += MXL_ControlWrite(fe, OVERRIDE_3, 1);
status += MXL_ControlWrite(fe, OVERRIDE_4, 1);
/* Downconverter Control Dig Ana */
status += MXL_ControlWrite(fe, DN_IQTN_AMP_CUT, state->Mode ? 1 : 0);
/* Filter Control Dig Ana */
status += MXL_ControlWrite(fe, BB_MODE, state->Mode ? 0 : 1);
status += MXL_ControlWrite(fe, BB_BUF, state->Mode ? 3 : 2);
status += MXL_ControlWrite(fe, BB_BUF_OA, state->Mode ? 1 : 0);
status += MXL_ControlWrite(fe, BB_IQSWAP, state->Mode ? 0 : 1);
status += MXL_ControlWrite(fe, BB_INITSTATE_DLPF_TUNE, 0);
/* Initialize Low-Pass Filter */ if (state->Mode) { /* Digital Mode */ switch (state->Chan_Bandwidth) { case 8000000:
status += MXL_ControlWrite(fe, BB_DLPF_BANDSEL, 0); break; case 7000000:
status += MXL_ControlWrite(fe, BB_DLPF_BANDSEL, 2); break; case 6000000:
status += MXL_ControlWrite(fe,
BB_DLPF_BANDSEL, 3); break;
}
} else { /* Analog Mode */ switch (state->Chan_Bandwidth) { case 8000000: /* Low Zero */
status += MXL_ControlWrite(fe, BB_ALPF_BANDSELECT,
(state->IF_Mode ? 0 : 3)); break; case 7000000:
status += MXL_ControlWrite(fe, BB_ALPF_BANDSELECT,
(state->IF_Mode ? 1 : 4)); break; case 6000000:
status += MXL_ControlWrite(fe, BB_ALPF_BANDSELECT,
(state->IF_Mode ? 2 : 5)); break;
}
}
/* Charge Pump Control Dig Ana */
status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, state->Mode ? 5 : 8);
status += MXL_ControlWrite(fe,
RFSYN_EN_CHP_HIGAIN, state->Mode ? 1 : 1);
status += MXL_ControlWrite(fe, EN_CHP_LIN_B, state->Mode ? 0 : 0);
/* AGC TOP Control */ if (state->AGC_Mode == 0) /* Dual AGC */ {
status += MXL_ControlWrite(fe, AGC_IF, 15);
status += MXL_ControlWrite(fe, AGC_RF, 15);
} else/* Single AGC Mode Dig Ana */
status += MXL_ControlWrite(fe, AGC_RF, state->Mode ? 15 : 12);
if (state->TOP == 55) /* TOP == 5.5 */
status += MXL_ControlWrite(fe, AGC_IF, 0x0);
if (state->TOP == 72) /* TOP == 7.2 */
status += MXL_ControlWrite(fe, AGC_IF, 0x1);
if (state->TOP == 92) /* TOP == 9.2 */
status += MXL_ControlWrite(fe, AGC_IF, 0x2);
if (state->TOP == 110) /* TOP == 11.0 */
status += MXL_ControlWrite(fe, AGC_IF, 0x3);
if (state->TOP == 129) /* TOP == 12.9 */
status += MXL_ControlWrite(fe, AGC_IF, 0x4);
if (state->TOP == 147) /* TOP == 14.7 */
status += MXL_ControlWrite(fe, AGC_IF, 0x5);
if (state->TOP == 168) /* TOP == 16.8 */
status += MXL_ControlWrite(fe, AGC_IF, 0x6);
if (state->TOP == 194) /* TOP == 19.4 */
status += MXL_ControlWrite(fe, AGC_IF, 0x7);
if (state->TOP == 212) /* TOP == 21.2 */
status += MXL_ControlWrite(fe, AGC_IF, 0x9);
if (state->TOP == 232) /* TOP == 23.2 */
status += MXL_ControlWrite(fe, AGC_IF, 0xA);
if (state->TOP == 252) /* TOP == 25.2 */
status += MXL_ControlWrite(fe, AGC_IF, 0xB);
if (state->TOP == 271) /* TOP == 27.1 */
status += MXL_ControlWrite(fe, AGC_IF, 0xC);
if (state->TOP == 292) /* TOP == 29.2 */
status += MXL_ControlWrite(fe, AGC_IF, 0xD);
if (state->TOP == 317) /* TOP == 31.7 */
status += MXL_ControlWrite(fe, AGC_IF, 0xE);
if (state->TOP == 349) /* TOP == 34.9 */
status += MXL_ControlWrite(fe, AGC_IF, 0xF);
/* IF Synthesizer Control */
status += MXL_IFSynthInit(fe);
/* IF UpConverter Control */ if (state->IF_OUT_LOAD == 200) {
status += MXL_ControlWrite(fe, DRV_RES_SEL, 6);
status += MXL_ControlWrite(fe, I_DRIVER, 2);
} if (state->IF_OUT_LOAD == 300) {
status += MXL_ControlWrite(fe, DRV_RES_SEL, 4);
status += MXL_ControlWrite(fe, I_DRIVER, 1);
}
/* Anti-Alias Filtering Control * initialise Anti-Aliasing Filter
*/ if (state->Mode) { /* Digital Mode */ if (state->IF_OUT >= 4000000UL && state->IF_OUT <= 6280000UL) {
status += MXL_ControlWrite(fe, EN_AAF, 1);
status += MXL_ControlWrite(fe, EN_3P, 1);
status += MXL_ControlWrite(fe, EN_AUX_3P, 1);
status += MXL_ControlWrite(fe, SEL_AAF_BAND, 0);
} if ((state->IF_OUT == 36125000UL) ||
(state->IF_OUT == 36150000UL)) {
status += MXL_ControlWrite(fe, EN_AAF, 1);
status += MXL_ControlWrite(fe, EN_3P, 1);
status += MXL_ControlWrite(fe, EN_AUX_3P, 1);
status += MXL_ControlWrite(fe, SEL_AAF_BAND, 1);
} if (state->IF_OUT > 36150000UL) {
status += MXL_ControlWrite(fe, EN_AAF, 0);
status += MXL_ControlWrite(fe, EN_3P, 1);
status += MXL_ControlWrite(fe, EN_AUX_3P, 1);
status += MXL_ControlWrite(fe, SEL_AAF_BAND, 1);
}
} else { /* Analog Mode */ if (state->IF_OUT >= 4000000UL && state->IF_OUT <= 5000000UL) {
status += MXL_ControlWrite(fe, EN_AAF, 1);
status += MXL_ControlWrite(fe, EN_3P, 1);
status += MXL_ControlWrite(fe, EN_AUX_3P, 1);
status += MXL_ControlWrite(fe, SEL_AAF_BAND, 0);
} if (state->IF_OUT > 5000000UL) {
status += MXL_ControlWrite(fe, EN_AAF, 0);
status += MXL_ControlWrite(fe, EN_3P, 0);
status += MXL_ControlWrite(fe, EN_AUX_3P, 0);
status += MXL_ControlWrite(fe, SEL_AAF_BAND, 0);
}
}
/* Demod Clock Out */ if (state->CLOCK_OUT)
status += MXL_ControlWrite(fe, SEQ_ENCLK16_CLK_OUT, 1); else
status += MXL_ControlWrite(fe, SEQ_ENCLK16_CLK_OUT, 0);
if (state->DIV_OUT == 1)
status += MXL_ControlWrite(fe, SEQ_SEL4_16B, 1); if (state->DIV_OUT == 0)
status += MXL_ControlWrite(fe, SEQ_SEL4_16B, 0);
/* Crystal Control */ if (state->CAPSELECT)
status += MXL_ControlWrite(fe, XTAL_CAPSELECT, 1); else
status += MXL_ControlWrite(fe, XTAL_CAPSELECT, 0);
if (state->Fxtal >= 12000000UL && state->Fxtal <= 16000000UL)
status += MXL_ControlWrite(fe, IF_SEL_DBL, 1); if (state->Fxtal > 16000000UL && state->Fxtal <= 32000000UL)
status += MXL_ControlWrite(fe, IF_SEL_DBL, 0);
if (state->Fxtal >= 12000000UL && state->Fxtal <= 22000000UL)
status += MXL_ControlWrite(fe, RFSYN_R_DIV, 3); if (state->Fxtal > 22000000UL && state->Fxtal <= 32000000UL)
status += MXL_ControlWrite(fe, RFSYN_R_DIV, 0);
/* Misc Controls */ if (state->Mode == 0 && state->IF_Mode == 1) /* Analog LowIF mode */
status += MXL_ControlWrite(fe, SEQ_EXTIQFSMPULSE, 0); else
status += MXL_ControlWrite(fe, SEQ_EXTIQFSMPULSE, 1);
/* status += MXL_ControlRead(fe, IF_DIVVAL, &IF_DIVVAL_Val); */
/* Set TG_R_DIV */
status += MXL_ControlWrite(fe, TG_R_DIV,
MXL_Ceiling(state->Fxtal, 1000000));
/* Apply Default value to BB_INITSTATE_DLPF_TUNE */
/* RSSI Control */ if (state->EN_RSSI) {
status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
status += MXL_ControlWrite(fe, AGC_EN_RSSI, 1);
status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1);
/* RSSI reference point */
status += MXL_ControlWrite(fe, RFA_RSSI_REF, 2);
status += MXL_ControlWrite(fe, RFA_RSSI_REFH, 3);
status += MXL_ControlWrite(fe, RFA_RSSI_REFL, 1);
/* TOP point */
status += MXL_ControlWrite(fe, RFA_FLR, 0);
status += MXL_ControlWrite(fe, RFA_CEIL, 12);
}
/* Modulation type bit settings * Override the control values preset
*/ if (state->Mod_Type == MXL_DVBT) /* DVB-T Mode */ {
state->AGC_Mode = 1; /* Single AGC Mode */
/* Enable RSSI */
status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
status += MXL_ControlWrite(fe, AGC_EN_RSSI, 1);
status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1);
/* RSSI reference point */
status += MXL_ControlWrite(fe, RFA_RSSI_REF, 3);
status += MXL_ControlWrite(fe, RFA_RSSI_REFH, 5);
status += MXL_ControlWrite(fe, RFA_RSSI_REFL, 1);
/* TOP point */
status += MXL_ControlWrite(fe, RFA_FLR, 2);
status += MXL_ControlWrite(fe, RFA_CEIL, 13); if (state->IF_OUT <= 6280000UL) /* Low IF */
status += MXL_ControlWrite(fe, BB_IQSWAP, 0); else/* High IF */
status += MXL_ControlWrite(fe, BB_IQSWAP, 1);
} if (state->Mod_Type == MXL_ATSC) /* ATSC Mode */ {
state->AGC_Mode = 1; /* Single AGC Mode */
/* Enable RSSI */
status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
status += MXL_ControlWrite(fe, AGC_EN_RSSI, 1);
status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1);
/* RSSI reference point */
status += MXL_ControlWrite(fe, RFA_RSSI_REF, 2);
status += MXL_ControlWrite(fe, RFA_RSSI_REFH, 4);
status += MXL_ControlWrite(fe, RFA_RSSI_REFL, 1);
/* TOP point */
status += MXL_ControlWrite(fe, RFA_FLR, 2);
status += MXL_ControlWrite(fe, RFA_CEIL, 13);
status += MXL_ControlWrite(fe, BB_INITSTATE_DLPF_TUNE, 1); /* Low Zero */
status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 5);
if (state->IF_OUT <= 6280000UL) /* Low IF */
status += MXL_ControlWrite(fe, BB_IQSWAP, 0); else/* High IF */
status += MXL_ControlWrite(fe, BB_IQSWAP, 1);
} if (state->Mod_Type == MXL_QAM) /* QAM Mode */ {
state->Mode = MXL_DIGITAL_MODE;
/* state->AGC_Mode = 1; */ /* Single AGC Mode */
/* Disable RSSI */ /* change here for v2.6.5 */
status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
status += MXL_ControlWrite(fe, AGC_EN_RSSI, 0);
status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1);
/* RSSI reference point */
status += MXL_ControlWrite(fe, RFA_RSSI_REFH, 5);
status += MXL_ControlWrite(fe, RFA_RSSI_REF, 3);
status += MXL_ControlWrite(fe, RFA_RSSI_REFL, 2); /* change here for v2.6.5 */
status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 3);
if (state->IF_OUT <= 6280000UL) /* Low IF */
status += MXL_ControlWrite(fe, BB_IQSWAP, 0); else/* High IF */
status += MXL_ControlWrite(fe, BB_IQSWAP, 1);
status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 2);
} if (state->Mod_Type == MXL_ANALOG_CABLE) { /* Analog Cable Mode */ /* state->Mode = MXL_DIGITAL_MODE; */
state->AGC_Mode = 1; /* Single AGC Mode */
/* Disable RSSI */
status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
status += MXL_ControlWrite(fe, AGC_EN_RSSI, 0);
status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1); /* change for 2.6.3 */
status += MXL_ControlWrite(fe, AGC_IF, 1);
status += MXL_ControlWrite(fe, AGC_RF, 15);
status += MXL_ControlWrite(fe, BB_IQSWAP, 1);
}
if (state->Mod_Type == MXL_ANALOG_OTA) { /* Analog OTA Terrestrial mode add for 2.6.7 */ /* state->Mode = MXL_ANALOG_MODE; */
/* Enable RSSI */
status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
status += MXL_ControlWrite(fe, AGC_EN_RSSI, 1);
status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1);
/* RSSI reference point */
status += MXL_ControlWrite(fe, RFA_RSSI_REFH, 5);
status += MXL_ControlWrite(fe, RFA_RSSI_REF, 3);
status += MXL_ControlWrite(fe, RFA_RSSI_REFL, 2);
status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 3);
status += MXL_ControlWrite(fe, BB_IQSWAP, 1);
}
/* RSSI disable */ if (state->EN_RSSI == 0) {
status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
status += MXL_ControlWrite(fe, AGC_EN_RSSI, 0);
status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1);
}
/* below equation is same as above but much harder to debug. * * static u32 MXL_GetXtalInt(u32 Xtal_Freq) * { * if ((Xtal_Freq % 1000000) == 0) * return (Xtal_Freq / 10000); * else * return (((Xtal_Freq / 1000000) + 1)*100); * } * * u32 Xtal_Int = MXL_GetXtalInt(state->Fxtal); * tg_lo = ( ((Fmax/10000 * Xtal_Int)/100) - * ((state->TG_LO/10000)*divider_val * * (state->Fxtal/10000)/100) )*32/((Fmax-Fmin)/10000 * * Xtal_Int/100) + 8;
*/
status += MXL_ControlWrite(fe, TG_VCO_BIAS , tg_lo);
/* add for 2.6.5 Special setting for QAM */ if (state->Mod_Type == MXL_QAM) { if (state->config->qam_gain != 0)
status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN,
state->config->qam_gain); elseif (state->RF_IN < 680000000)
status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 3); else
status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 2);
}
/* Off Chip Tracking Filter Control */ if (state->TF_Type == MXL_TF_OFF) { /* Tracking Filter Off State; turn off all the banks */
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 3, 1); /* Bank1 Off */
status += MXL_SetGPIO(fe, 1, 1); /* Bank2 Off */
status += MXL_SetGPIO(fe, 4, 1); /* Bank3 Off */
}
if (state->TF_Type == MXL_TF_C) /* Tracking Filter type C */ {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
status += MXL_ControlWrite(fe, DAC_DIN_A, 0);
if (state->RF_IN >= 43000000 && state->RF_IN < 150000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
status += MXL_SetGPIO(fe, 3, 0);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 4, 1);
} if (state->RF_IN >= 150000000 && state->RF_IN < 280000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 4, 1);
} if (state->RF_IN >= 280000000 && state->RF_IN < 360000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 4, 0);
} if (state->RF_IN >= 360000000 && state->RF_IN < 560000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 4, 0);
} if (state->RF_IN >= 560000000 && state->RF_IN < 580000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
status += MXL_ControlWrite(fe, DAC_DIN_B, 29);
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 4, 0);
} if (state->RF_IN >= 580000000 && state->RF_IN < 630000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 4, 0);
} if (state->RF_IN >= 630000000 && state->RF_IN < 700000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
status += MXL_ControlWrite(fe, DAC_DIN_B, 16);
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 4, 1);
} if (state->RF_IN >= 700000000 && state->RF_IN < 760000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
status += MXL_ControlWrite(fe, DAC_DIN_B, 7);
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 4, 1);
} if (state->RF_IN >= 760000000 && state->RF_IN <= 900000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 4, 1);
}
}
if (state->TF_Type == MXL_TF_C_H) {
/* Tracking Filter type C-H for Hauppauge only */
status += MXL_ControlWrite(fe, DAC_DIN_A, 0);
if (state->RF_IN >= 43000000 && state->RF_IN < 150000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 1);
} if (state->RF_IN >= 150000000 && state->RF_IN < 280000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 3, 0);
status += MXL_SetGPIO(fe, 1, 1);
} if (state->RF_IN >= 280000000 && state->RF_IN < 360000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 3, 0);
status += MXL_SetGPIO(fe, 1, 0);
} if (state->RF_IN >= 360000000 && state->RF_IN < 560000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 0);
} if (state->RF_IN >= 560000000 && state->RF_IN < 580000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 0);
} if (state->RF_IN >= 580000000 && state->RF_IN < 630000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 0);
} if (state->RF_IN >= 630000000 && state->RF_IN < 700000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 1);
} if (state->RF_IN >= 700000000 && state->RF_IN < 760000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 1);
} if (state->RF_IN >= 760000000 && state->RF_IN <= 900000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 1);
}
}
if (state->TF_Type == MXL_TF_D) { /* Tracking Filter type D */
status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
if (state->RF_IN >= 43000000 && state->RF_IN < 174000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 174000000 && state->RF_IN < 250000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 250000000 && state->RF_IN < 310000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 310000000 && state->RF_IN < 360000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 360000000 && state->RF_IN < 470000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 470000000 && state->RF_IN < 640000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 640000000 && state->RF_IN <= 900000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 1);
}
}
if (state->TF_Type == MXL_TF_D_L) {
/* Tracking Filter type D-L for Lumanate ONLY change 2.6.3 */
status += MXL_ControlWrite(fe, DAC_DIN_A, 0);
/* if UHF and terrestrial => Turn off Tracking Filter */ if (state->RF_IN >= 471000000 &&
(state->RF_IN - 471000000)%6000000 != 0) { /* Turn off all the banks */
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
status += MXL_ControlWrite(fe, AGC_IF, 10);
} else { /* if VHF or cable => Turn on Tracking Filter */ if (state->RF_IN >= 43000000 &&
state->RF_IN < 140000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 140000000 &&
state->RF_IN < 240000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 240000000 &&
state->RF_IN < 340000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 340000000 &&
state->RF_IN < 430000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 430000000 &&
state->RF_IN < 470000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 470000000 &&
state->RF_IN < 570000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 570000000 &&
state->RF_IN < 620000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 620000000 &&
state->RF_IN < 760000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 760000000 &&
state->RF_IN <= 900000000) {
status += MXL_ControlWrite(fe, DAC_A_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 1);
}
}
}
if (state->TF_Type == MXL_TF_E) /* Tracking Filter type E */ {
status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
if (state->RF_IN >= 43000000 && state->RF_IN < 174000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 174000000 && state->RF_IN < 250000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 250000000 && state->RF_IN < 310000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 310000000 && state->RF_IN < 360000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 360000000 && state->RF_IN < 470000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 470000000 && state->RF_IN < 640000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 640000000 && state->RF_IN <= 900000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 1);
}
}
if (state->TF_Type == MXL_TF_F) {
/* Tracking Filter type F */
status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
if (state->RF_IN >= 43000000 && state->RF_IN < 160000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 160000000 && state->RF_IN < 210000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 210000000 && state->RF_IN < 300000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 300000000 && state->RF_IN < 390000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 390000000 && state->RF_IN < 515000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 515000000 && state->RF_IN < 650000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 650000000 && state->RF_IN <= 900000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 1);
}
}
if (state->TF_Type == MXL_TF_E_2) {
/* Tracking Filter type E_2 */
status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
if (state->RF_IN >= 43000000 && state->RF_IN < 174000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 174000000 && state->RF_IN < 250000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 250000000 && state->RF_IN < 350000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 350000000 && state->RF_IN < 400000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 400000000 && state->RF_IN < 570000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 570000000 && state->RF_IN < 770000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 770000000 && state->RF_IN <= 900000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 1);
}
}
if (state->TF_Type == MXL_TF_G) {
/* Tracking Filter type G add for v2.6.8 */
status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
if (state->RF_IN >= 50000000 && state->RF_IN < 190000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 190000000 && state->RF_IN < 280000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 280000000 && state->RF_IN < 350000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 350000000 && state->RF_IN < 400000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 400000000 && state->RF_IN < 470000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 470000000 && state->RF_IN < 640000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 640000000 && state->RF_IN < 820000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 820000000 && state->RF_IN <= 900000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 1);
}
}
if (state->TF_Type == MXL_TF_E_NA) {
/* Tracking Filter type E-NA for Empia ONLY change for 2.6.8 */
status += MXL_ControlWrite(fe, DAC_DIN_B, 0);
/* if UHF and terrestrial=> Turn off Tracking Filter */ if (state->RF_IN >= 471000000 &&
(state->RF_IN - 471000000)%6000000 != 0) {
/* Turn off all the banks */
status += MXL_SetGPIO(fe, 3, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
/* 2.6.12 Turn on RSSI */
status += MXL_ControlWrite(fe, SEQ_EXTSYNTHCALIF, 1);
status += MXL_ControlWrite(fe, SEQ_EXTDCCAL, 1);
status += MXL_ControlWrite(fe, AGC_EN_RSSI, 1);
status += MXL_ControlWrite(fe, RFA_ENCLKRFAGC, 1);
/* RSSI reference point */
status += MXL_ControlWrite(fe, RFA_RSSI_REFH, 5);
status += MXL_ControlWrite(fe, RFA_RSSI_REF, 3);
status += MXL_ControlWrite(fe, RFA_RSSI_REFL, 2);
/* following parameter is from analog OTA mode,
* can be change to seek better performance */
status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 3);
} else { /* if VHF or Cable => Turn on Tracking Filter */
/* 2.6.12 Turn off RSSI */
status += MXL_ControlWrite(fe, AGC_EN_RSSI, 0);
/* change back from above condition */
status += MXL_ControlWrite(fe, RFSYN_CHP_GAIN, 5);
if (state->RF_IN >= 43000000 && state->RF_IN < 174000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 174000000 && state->RF_IN < 250000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 0);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 250000000 && state->RF_IN < 350000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 1);
} if (state->RF_IN >= 350000000 && state->RF_IN < 400000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 0);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 400000000 && state->RF_IN < 570000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 0);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 570000000 && state->RF_IN < 770000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 0);
} if (state->RF_IN >= 770000000 && state->RF_IN <= 900000000) {
status += MXL_ControlWrite(fe, DAC_B_ENABLE, 1);
status += MXL_SetGPIO(fe, 4, 1);
status += MXL_SetGPIO(fe, 1, 1);
status += MXL_SetGPIO(fe, 3, 1);
}
}
} return status ;
}
/* Will write ALL Matching Control Name */ /* Write Matching INIT Control */
status += MXL_ControlWrite_Group(fe, ControlNum, value, 1); /* Write Matching CH Control */
status += MXL_ControlWrite_Group(fe, ControlNum, value, 2); #ifdef _MXL_INTERNAL /* Write Matching MXL Control */
status += MXL_ControlWrite_Group(fe, ControlNum, value, 3); #endif return status;
}
/* Retrieve the Initialization Registers */ static u16 MXL_GetInitRegister(struct dvb_frontend *fe, u8 *RegNum,
u8 *RegVal, int *count)
{
u16 status = 0; int i ;
for (i = 0 ; i < *count; i++) {
RegNum[i] = RegAddr[i];
status += MXL_RegRead(fe, RegNum[i], &RegVal[i]);
}
return status;
}
static u16 MXL_GetCHRegister_ZeroIF(struct dvb_frontend *fe, u8 *RegNum,
u8 *RegVal, int *count)
{
u16 status = 0; int i;
staticconst u8 RegAddr[] = {43, 136};
*count = ARRAY_SIZE(RegAddr);
for (i = 0; i < *count; i++) {
RegNum[i] = RegAddr[i];
status += MXL_RegRead(fe, RegNum[i], &RegVal[i]);
}
return status;
}
static u16 MXL_GetMasterControl(u8 *MasterReg, int state)
{ if (state == 1) /* Load_Start */
*MasterReg = 0xF3; if (state == 2) /* Power_Down */
*MasterReg = 0x41; if (state == 3) /* Synth_Reset */
*MasterReg = 0xB1; if (state == 4) /* Seq_Off */
*MasterReg = 0xF1;
return 0;
}
#ifdef _MXL_PRODUCTION static u16 MXL_VCORange_Test(struct dvb_frontend *fe, int VCO_Range)
{ struct mxl5005s_state *state = fe->tuner_priv;
u16 status = 0 ;
if (VCO_Range == 1) {
status += MXL_ControlWrite(fe, RFSYN_EN_DIV, 1);
status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX, 0);
status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM, 0);
status += MXL_ControlWrite(fe, RFSYN_DIVM, 1);
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT, 1);
status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS, 1);
status += MXL_ControlWrite(fe, DN_SEL_FREQ, 0); if (state->Mode == 0 && state->IF_Mode == 1) { /* Analog Low IF Mode */
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 1);
status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 8);
status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 56);
status += MXL_ControlWrite(fe,
CHCAL_FRAC_MOD_RF, 180224);
} if (state->Mode == 0 && state->IF_Mode == 0) { /* Analog Zero IF Mode */
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 1);
status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 8);
status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 56);
status += MXL_ControlWrite(fe,
CHCAL_FRAC_MOD_RF, 222822);
} if (state->Mode == 1) /* Digital Mode */ {
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 1);
status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 8);
status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 56);
status += MXL_ControlWrite(fe,
CHCAL_FRAC_MOD_RF, 229376);
}
}
if (VCO_Range == 2) {
status += MXL_ControlWrite(fe, RFSYN_EN_DIV, 1);
status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX, 0);
status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM, 0);
status += MXL_ControlWrite(fe, RFSYN_DIVM, 1);
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT, 1);
status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS, 1);
status += MXL_ControlWrite(fe, DN_SEL_FREQ, 0);
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 1);
status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 41); if (state->Mode == 0 && state->IF_Mode == 1) { /* Analog Low IF Mode */
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 1);
status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 42);
status += MXL_ControlWrite(fe,
CHCAL_FRAC_MOD_RF, 206438);
} if (state->Mode == 0 && state->IF_Mode == 0) { /* Analog Zero IF Mode */
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 1);
status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 42);
status += MXL_ControlWrite(fe,
CHCAL_FRAC_MOD_RF, 206438);
} if (state->Mode == 1) /* Digital Mode */ {
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 1);
status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 41);
status += MXL_ControlWrite(fe,
CHCAL_FRAC_MOD_RF, 16384);
}
}
if (VCO_Range == 3) {
status += MXL_ControlWrite(fe, RFSYN_EN_DIV, 1);
status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX, 0);
status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM, 0);
status += MXL_ControlWrite(fe, RFSYN_DIVM, 1);
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT, 1);
status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS, 1);
status += MXL_ControlWrite(fe, DN_SEL_FREQ, 0);
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 8);
status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 42); if (state->Mode == 0 && state->IF_Mode == 1) { /* Analog Low IF Mode */
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 8);
status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 44);
status += MXL_ControlWrite(fe,
CHCAL_FRAC_MOD_RF, 173670);
} if (state->Mode == 0 && state->IF_Mode == 0) { /* Analog Zero IF Mode */
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 8);
status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 44);
status += MXL_ControlWrite(fe,
CHCAL_FRAC_MOD_RF, 173670);
} if (state->Mode == 1) /* Digital Mode */ {
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 8);
status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 42);
status += MXL_ControlWrite(fe,
CHCAL_FRAC_MOD_RF, 245760);
}
}
if (VCO_Range == 4) {
status += MXL_ControlWrite(fe, RFSYN_EN_DIV, 1);
status += MXL_ControlWrite(fe, RFSYN_EN_OUTMUX, 0);
status += MXL_ControlWrite(fe, RFSYN_SEL_DIVM, 0);
status += MXL_ControlWrite(fe, RFSYN_DIVM, 1);
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_OUT, 1);
status += MXL_ControlWrite(fe, RFSYN_RF_DIV_BIAS, 1);
status += MXL_ControlWrite(fe, DN_SEL_FREQ, 0);
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 27); if (state->Mode == 0 && state->IF_Mode == 1) { /* Analog Low IF Mode */
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 27);
status += MXL_ControlWrite(fe,
CHCAL_FRAC_MOD_RF, 206438);
} if (state->Mode == 0 && state->IF_Mode == 0) { /* Analog Zero IF Mode */
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 27);
status += MXL_ControlWrite(fe,
CHCAL_FRAC_MOD_RF, 206438);
} if (state->Mode == 1) /* Digital Mode */ {
status += MXL_ControlWrite(fe, RFSYN_SEL_VCO_HI, 0);
status += MXL_ControlWrite(fe, RFSYN_VCO_BIAS, 40);
status += MXL_ControlWrite(fe, CHCAL_INT_MOD_RF, 27);
status += MXL_ControlWrite(fe,
CHCAL_FRAC_MOD_RF, 212992);
}
}
return status;
}
static u16 MXL_Hystersis_Test(struct dvb_frontend *fe, int Hystersis)
{ struct mxl5005s_state *state = fe->tuner_priv;
u16 status = 0;
if (Hystersis == 1)
status += MXL_ControlWrite(fe, DN_BYPASS_AGC_I2C, 1);
return status;
} #endif /* End: Reference driver code found in the Realtek driver that
* is copyright MaxLinear */
/* ---------------------------------------------------------------- * Begin: Everything after here is new code to adapt the * proprietary Realtek driver into a Linux API tuner. * Copyright (C) 2008 Steven Toth <stoth@linuxtv.org>
*/ staticint mxl5005s_reset(struct dvb_frontend *fe)
{ struct mxl5005s_state *state = fe->tuner_priv; int ret = 0;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
if (i2c_transfer(state->i2c, &msg, 1) != 1) {
printk(KERN_WARNING "mxl5005s I2C reset failed\n");
ret = -EREMOTEIO;
}
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
return ret;
}
/* Write a single byte to a single reg, latch the value if required by * following the transaction with the latch byte.
*/ staticint mxl5005s_writereg(struct dvb_frontend *fe, u8 reg, u8 val, int latch)
{ struct mxl5005s_state *state = fe->tuner_priv;
u8 buf[3] = { reg, val, MXL5005S_LATCH_BYTE }; struct i2c_msg msg = { .addr = state->config->i2c_address, .flags = 0,
.buf = buf, .len = 3 };
switch (delsys) { case SYS_ATSC:
req_mode = MXL_ATSC;
req_bw = MXL5005S_BANDWIDTH_6MHZ; break; case SYS_DVBC_ANNEX_B:
req_mode = MXL_QAM;
req_bw = MXL5005S_BANDWIDTH_6MHZ; break; default: /* Assume DVB-T */
req_mode = MXL_DVBT; switch (bw) { case 6000000:
req_bw = MXL5005S_BANDWIDTH_6MHZ; break; case 7000000:
req_bw = MXL5005S_BANDWIDTH_7MHZ; break; case 8000000: case 0:
req_bw = MXL5005S_BANDWIDTH_8MHZ; break; default: return -EINVAL;
}
}
/* Change tuner for new modulation type if reqd */ if (req_mode != state->current_mode ||
req_bw != state->Chan_Bandwidth) {
state->current_mode = req_mode;
ret = mxl5005s_reconfigure(fe, req_mode, req_bw);
} else
ret = 0;
if (ret == 0) {
dprintk(1, "%s() freq=%d\n", __func__, c->frequency);
ret = mxl5005s_SetRfFreqHz(fe, c->frequency);
}
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