diff options
Diffstat (limited to 'drivers/media/dvb/frontends/dib3000mb.c')
| -rw-r--r-- | drivers/media/dvb/frontends/dib3000mb.c | 829 |
1 files changed, 0 insertions, 829 deletions
diff --git a/drivers/media/dvb/frontends/dib3000mb.c b/drivers/media/dvb/frontends/dib3000mb.c deleted file mode 100644 index af91e0c9233..00000000000 --- a/drivers/media/dvb/frontends/dib3000mb.c +++ /dev/null @@ -1,829 +0,0 @@ -/* - * Frontend driver for mobile DVB-T demodulator DiBcom 3000M-B - * DiBcom (http://www.dibcom.fr/) - * - * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de) - * - * based on GPL code from DibCom, which has - * - * Copyright (C) 2004 Amaury Demol for DiBcom (ademol@dibcom.fr) - * - * 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, version 2. - * - * Acknowledgements - * - * Amaury Demol (ademol@dibcom.fr) from DiBcom for providing specs and driver - * sources, on which this driver (and the dvb-dibusb) are based. - * - * see Documentation/dvb/README.dvb-usb for more information - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/string.h> -#include <linux/slab.h> - -#include "dvb_frontend.h" - -#include "dib3000.h" -#include "dib3000mb_priv.h" - -/* Version information */ -#define DRIVER_VERSION "0.1" -#define DRIVER_DESC "DiBcom 3000M-B DVB-T demodulator" -#define DRIVER_AUTHOR "Patrick Boettcher, patrick.boettcher@desy.de" - -static int debug; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "set debugging level (1=info,2=xfer,4=setfe,8=getfe (|-able))."); - -#define deb_info(args...) dprintk(0x01,args) -#define deb_i2c(args...) dprintk(0x02,args) -#define deb_srch(args...) dprintk(0x04,args) -#define deb_info(args...) dprintk(0x01,args) -#define deb_xfer(args...) dprintk(0x02,args) -#define deb_setf(args...) dprintk(0x04,args) -#define deb_getf(args...) dprintk(0x08,args) - -static int dib3000_read_reg(struct dib3000_state *state, u16 reg) -{ - u8 wb[] = { ((reg >> 8) | 0x80) & 0xff, reg & 0xff }; - u8 rb[2]; - struct i2c_msg msg[] = { - { .addr = state->config.demod_address, .flags = 0, .buf = wb, .len = 2 }, - { .addr = state->config.demod_address, .flags = I2C_M_RD, .buf = rb, .len = 2 }, - }; - - if (i2c_transfer(state->i2c, msg, 2) != 2) - deb_i2c("i2c read error\n"); - - deb_i2c("reading i2c bus (reg: %5d 0x%04x, val: %5d 0x%04x)\n",reg,reg, - (rb[0] << 8) | rb[1],(rb[0] << 8) | rb[1]); - - return (rb[0] << 8) | rb[1]; -} - -static int dib3000_write_reg(struct dib3000_state *state, u16 reg, u16 val) -{ - u8 b[] = { - (reg >> 8) & 0xff, reg & 0xff, - (val >> 8) & 0xff, val & 0xff, - }; - struct i2c_msg msg[] = { - { .addr = state->config.demod_address, .flags = 0, .buf = b, .len = 4 } - }; - deb_i2c("writing i2c bus (reg: %5d 0x%04x, val: %5d 0x%04x)\n",reg,reg,val,val); - - return i2c_transfer(state->i2c,msg, 1) != 1 ? -EREMOTEIO : 0; -} - -static int dib3000_search_status(u16 irq,u16 lock) -{ - if (irq & 0x02) { - if (lock & 0x01) { - deb_srch("auto search succeeded\n"); - return 1; // auto search succeeded - } else { - deb_srch("auto search not successful\n"); - return 0; // auto search failed - } - } else if (irq & 0x01) { - deb_srch("auto search failed\n"); - return 0; // auto search failed - } - return -1; // try again -} - -/* for auto search */ -static u16 dib3000_seq[2][2][2] = /* fft,gua, inv */ - { /* fft */ - { /* gua */ - { 0, 1 }, /* 0 0 { 0,1 } */ - { 3, 9 }, /* 0 1 { 0,1 } */ - }, - { - { 2, 5 }, /* 1 0 { 0,1 } */ - { 6, 11 }, /* 1 1 { 0,1 } */ - } - }; - -static int dib3000mb_get_frontend(struct dvb_frontend* fe); - -static int dib3000mb_set_frontend(struct dvb_frontend *fe, int tuner) -{ - struct dib3000_state* state = fe->demodulator_priv; - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - fe_code_rate_t fe_cr = FEC_NONE; - int search_state, seq; - - if (tuner && fe->ops.tuner_ops.set_params) { - fe->ops.tuner_ops.set_params(fe); - if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); - - deb_setf("bandwidth: "); - switch (c->bandwidth_hz) { - case 8000000: - deb_setf("8 MHz\n"); - wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[2]); - wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_8mhz); - break; - case 7000000: - deb_setf("7 MHz\n"); - wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[1]); - wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_7mhz); - break; - case 6000000: - deb_setf("6 MHz\n"); - wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[0]); - wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_6mhz); - break; - case 0: - return -EOPNOTSUPP; - default: - err("unknown bandwidth value."); - return -EINVAL; - } - } - wr(DIB3000MB_REG_LOCK1_MASK, DIB3000MB_LOCK1_SEARCH_4); - - deb_setf("transmission mode: "); - switch (c->transmission_mode) { - case TRANSMISSION_MODE_2K: - deb_setf("2k\n"); - wr(DIB3000MB_REG_FFT, DIB3000_TRANSMISSION_MODE_2K); - break; - case TRANSMISSION_MODE_8K: - deb_setf("8k\n"); - wr(DIB3000MB_REG_FFT, DIB3000_TRANSMISSION_MODE_8K); - break; - case TRANSMISSION_MODE_AUTO: - deb_setf("auto\n"); - break; - default: - return -EINVAL; - } - - deb_setf("guard: "); - switch (c->guard_interval) { - case GUARD_INTERVAL_1_32: - deb_setf("1_32\n"); - wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_32); - break; - case GUARD_INTERVAL_1_16: - deb_setf("1_16\n"); - wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_16); - break; - case GUARD_INTERVAL_1_8: - deb_setf("1_8\n"); - wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_8); - break; - case GUARD_INTERVAL_1_4: - deb_setf("1_4\n"); - wr(DIB3000MB_REG_GUARD_TIME, DIB3000_GUARD_TIME_1_4); - break; - case GUARD_INTERVAL_AUTO: - deb_setf("auto\n"); - break; - default: - return -EINVAL; - } - - deb_setf("inversion: "); - switch (c->inversion) { - case INVERSION_OFF: - deb_setf("off\n"); - wr(DIB3000MB_REG_DDS_INV, DIB3000_DDS_INVERSION_OFF); - break; - case INVERSION_AUTO: - deb_setf("auto "); - break; - case INVERSION_ON: - deb_setf("on\n"); - wr(DIB3000MB_REG_DDS_INV, DIB3000_DDS_INVERSION_ON); - break; - default: - return -EINVAL; - } - - deb_setf("modulation: "); - switch (c->modulation) { - case QPSK: - deb_setf("qpsk\n"); - wr(DIB3000MB_REG_QAM, DIB3000_CONSTELLATION_QPSK); - break; - case QAM_16: - deb_setf("qam16\n"); - wr(DIB3000MB_REG_QAM, DIB3000_CONSTELLATION_16QAM); - break; - case QAM_64: - deb_setf("qam64\n"); - wr(DIB3000MB_REG_QAM, DIB3000_CONSTELLATION_64QAM); - break; - case QAM_AUTO: - break; - default: - return -EINVAL; - } - deb_setf("hierarchy: "); - switch (c->hierarchy) { - case HIERARCHY_NONE: - deb_setf("none "); - /* fall through */ - case HIERARCHY_1: - deb_setf("alpha=1\n"); - wr(DIB3000MB_REG_VIT_ALPHA, DIB3000_ALPHA_1); - break; - case HIERARCHY_2: - deb_setf("alpha=2\n"); - wr(DIB3000MB_REG_VIT_ALPHA, DIB3000_ALPHA_2); - break; - case HIERARCHY_4: - deb_setf("alpha=4\n"); - wr(DIB3000MB_REG_VIT_ALPHA, DIB3000_ALPHA_4); - break; - case HIERARCHY_AUTO: - deb_setf("alpha=auto\n"); - break; - default: - return -EINVAL; - } - - deb_setf("hierarchy: "); - if (c->hierarchy == HIERARCHY_NONE) { - deb_setf("none\n"); - wr(DIB3000MB_REG_VIT_HRCH, DIB3000_HRCH_OFF); - wr(DIB3000MB_REG_VIT_HP, DIB3000_SELECT_HP); - fe_cr = c->code_rate_HP; - } else if (c->hierarchy != HIERARCHY_AUTO) { - deb_setf("on\n"); - wr(DIB3000MB_REG_VIT_HRCH, DIB3000_HRCH_ON); - wr(DIB3000MB_REG_VIT_HP, DIB3000_SELECT_LP); - fe_cr = c->code_rate_LP; - } - deb_setf("fec: "); - switch (fe_cr) { - case FEC_1_2: - deb_setf("1_2\n"); - wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_1_2); - break; - case FEC_2_3: - deb_setf("2_3\n"); - wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_2_3); - break; - case FEC_3_4: - deb_setf("3_4\n"); - wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_3_4); - break; - case FEC_5_6: - deb_setf("5_6\n"); - wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_5_6); - break; - case FEC_7_8: - deb_setf("7_8\n"); - wr(DIB3000MB_REG_VIT_CODE_RATE, DIB3000_FEC_7_8); - break; - case FEC_NONE: - deb_setf("none "); - break; - case FEC_AUTO: - deb_setf("auto\n"); - break; - default: - return -EINVAL; - } - - seq = dib3000_seq - [c->transmission_mode == TRANSMISSION_MODE_AUTO] - [c->guard_interval == GUARD_INTERVAL_AUTO] - [c->inversion == INVERSION_AUTO]; - - deb_setf("seq? %d\n", seq); - - wr(DIB3000MB_REG_SEQ, seq); - - wr(DIB3000MB_REG_ISI, seq ? DIB3000MB_ISI_INHIBIT : DIB3000MB_ISI_ACTIVATE); - - if (c->transmission_mode == TRANSMISSION_MODE_2K) { - if (c->guard_interval == GUARD_INTERVAL_1_8) { - wr(DIB3000MB_REG_SYNC_IMPROVEMENT, DIB3000MB_SYNC_IMPROVE_2K_1_8); - } else { - wr(DIB3000MB_REG_SYNC_IMPROVEMENT, DIB3000MB_SYNC_IMPROVE_DEFAULT); - } - - wr(DIB3000MB_REG_UNK_121, DIB3000MB_UNK_121_2K); - } else { - wr(DIB3000MB_REG_UNK_121, DIB3000MB_UNK_121_DEFAULT); - } - - wr(DIB3000MB_REG_MOBILE_ALGO, DIB3000MB_MOBILE_ALGO_OFF); - wr(DIB3000MB_REG_MOBILE_MODE_QAM, DIB3000MB_MOBILE_MODE_QAM_OFF); - wr(DIB3000MB_REG_MOBILE_MODE, DIB3000MB_MOBILE_MODE_OFF); - - wr_foreach(dib3000mb_reg_agc_bandwidth, dib3000mb_agc_bandwidth_high); - - wr(DIB3000MB_REG_ISI, DIB3000MB_ISI_ACTIVATE); - - wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_AGC + DIB3000MB_RESTART_CTRL); - wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_OFF); - - /* wait for AGC lock */ - msleep(70); - - wr_foreach(dib3000mb_reg_agc_bandwidth, dib3000mb_agc_bandwidth_low); - - /* something has to be auto searched */ - if (c->modulation == QAM_AUTO || - c->hierarchy == HIERARCHY_AUTO || - fe_cr == FEC_AUTO || - c->inversion == INVERSION_AUTO) { - int as_count=0; - - deb_setf("autosearch enabled.\n"); - - wr(DIB3000MB_REG_ISI, DIB3000MB_ISI_INHIBIT); - - wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_AUTO_SEARCH); - wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_OFF); - - while ((search_state = - dib3000_search_status( - rd(DIB3000MB_REG_AS_IRQ_PENDING), - rd(DIB3000MB_REG_LOCK2_VALUE))) < 0 && as_count++ < 100) - msleep(1); - - deb_setf("search_state after autosearch %d after %d checks\n",search_state,as_count); - - if (search_state == 1) { - if (dib3000mb_get_frontend(fe) == 0) { - deb_setf("reading tuning data from frontend succeeded.\n"); - return dib3000mb_set_frontend(fe, 0); - } - } - - } else { - wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_CTRL); - wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_OFF); - } - - return 0; -} - -static int dib3000mb_fe_init(struct dvb_frontend* fe, int mobile_mode) -{ - struct dib3000_state* state = fe->demodulator_priv; - - deb_info("dib3000mb is getting up.\n"); - wr(DIB3000MB_REG_POWER_CONTROL, DIB3000MB_POWER_UP); - - wr(DIB3000MB_REG_RESTART, DIB3000MB_RESTART_AGC); - - wr(DIB3000MB_REG_RESET_DEVICE, DIB3000MB_RESET_DEVICE); - wr(DIB3000MB_REG_RESET_DEVICE, DIB3000MB_RESET_DEVICE_RST); - - wr(DIB3000MB_REG_CLOCK, DIB3000MB_CLOCK_DEFAULT); - - wr(DIB3000MB_REG_ELECT_OUT_MODE, DIB3000MB_ELECT_OUT_MODE_ON); - - wr(DIB3000MB_REG_DDS_FREQ_MSB, DIB3000MB_DDS_FREQ_MSB); - wr(DIB3000MB_REG_DDS_FREQ_LSB, DIB3000MB_DDS_FREQ_LSB); - - wr_foreach(dib3000mb_reg_timing_freq, dib3000mb_timing_freq[2]); - - wr_foreach(dib3000mb_reg_impulse_noise, - dib3000mb_impulse_noise_values[DIB3000MB_IMPNOISE_OFF]); - - wr_foreach(dib3000mb_reg_agc_gain, dib3000mb_default_agc_gain); - - wr(DIB3000MB_REG_PHASE_NOISE, DIB3000MB_PHASE_NOISE_DEFAULT); - - wr_foreach(dib3000mb_reg_phase_noise, dib3000mb_default_noise_phase); - - wr_foreach(dib3000mb_reg_lock_duration, dib3000mb_default_lock_duration); - - wr_foreach(dib3000mb_reg_agc_bandwidth, dib3000mb_agc_bandwidth_low); - - wr(DIB3000MB_REG_LOCK0_MASK, DIB3000MB_LOCK0_DEFAULT); - wr(DIB3000MB_REG_LOCK1_MASK, DIB3000MB_LOCK1_SEARCH_4); - wr(DIB3000MB_REG_LOCK2_MASK, DIB3000MB_LOCK2_DEFAULT); - wr(DIB3000MB_REG_SEQ, dib3000_seq[1][1][1]); - - wr_foreach(dib3000mb_reg_bandwidth, dib3000mb_bandwidth_8mhz); - - wr(DIB3000MB_REG_UNK_68, DIB3000MB_UNK_68); - wr(DIB3000MB_REG_UNK_69, DIB3000MB_UNK_69); - wr(DIB3000MB_REG_UNK_71, DIB3000MB_UNK_71); - wr(DIB3000MB_REG_UNK_77, DIB3000MB_UNK_77); - wr(DIB3000MB_REG_UNK_78, DIB3000MB_UNK_78); - wr(DIB3000MB_REG_ISI, DIB3000MB_ISI_INHIBIT); - wr(DIB3000MB_REG_UNK_92, DIB3000MB_UNK_92); - wr(DIB3000MB_REG_UNK_96, DIB3000MB_UNK_96); - wr(DIB3000MB_REG_UNK_97, DIB3000MB_UNK_97); - wr(DIB3000MB_REG_UNK_106, DIB3000MB_UNK_106); - wr(DIB3000MB_REG_UNK_107, DIB3000MB_UNK_107); - wr(DIB3000MB_REG_UNK_108, DIB3000MB_UNK_108); - wr(DIB3000MB_REG_UNK_122, DIB3000MB_UNK_122); - wr(DIB3000MB_REG_MOBILE_MODE_QAM, DIB3000MB_MOBILE_MODE_QAM_OFF); - wr(DIB3000MB_REG_BERLEN, DIB3000MB_BERLEN_DEFAULT); - - wr_foreach(dib3000mb_reg_filter_coeffs, dib3000mb_filter_coeffs); - - wr(DIB3000MB_REG_MOBILE_ALGO, DIB3000MB_MOBILE_ALGO_ON); - wr(DIB3000MB_REG_MULTI_DEMOD_MSB, DIB3000MB_MULTI_DEMOD_MSB); - wr(DIB3000MB_REG_MULTI_DEMOD_LSB, DIB3000MB_MULTI_DEMOD_LSB); - - wr(DIB3000MB_REG_OUTPUT_MODE, DIB3000MB_OUTPUT_MODE_SLAVE); - - wr(DIB3000MB_REG_FIFO_142, DIB3000MB_FIFO_142); - wr(DIB3000MB_REG_MPEG2_OUT_MODE, DIB3000MB_MPEG2_OUT_MODE_188); - wr(DIB3000MB_REG_PID_PARSE, DIB3000MB_PID_PARSE_ACTIVATE); - wr(DIB3000MB_REG_FIFO, DIB3000MB_FIFO_INHIBIT); - wr(DIB3000MB_REG_FIFO_146, DIB3000MB_FIFO_146); - wr(DIB3000MB_REG_FIFO_147, DIB3000MB_FIFO_147); - - wr(DIB3000MB_REG_DATA_IN_DIVERSITY, DIB3000MB_DATA_DIVERSITY_IN_OFF); - - return 0; -} - -static int dib3000mb_get_frontend(struct dvb_frontend* fe) -{ - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - struct dib3000_state* state = fe->demodulator_priv; - fe_code_rate_t *cr; - u16 tps_val; - int inv_test1,inv_test2; - u32 dds_val, threshold = 0x800000; - - if (!rd(DIB3000MB_REG_TPS_LOCK)) - return 0; - - dds_val = ((rd(DIB3000MB_REG_DDS_VALUE_MSB) & 0xff) << 16) + rd(DIB3000MB_REG_DDS_VALUE_LSB); - deb_getf("DDS_VAL: %x %x %x",dds_val, rd(DIB3000MB_REG_DDS_VALUE_MSB), rd(DIB3000MB_REG_DDS_VALUE_LSB)); - if (dds_val < threshold) - inv_test1 = 0; - else if (dds_val == threshold) - inv_test1 = 1; - else - inv_test1 = 2; - - dds_val = ((rd(DIB3000MB_REG_DDS_FREQ_MSB) & 0xff) << 16) + rd(DIB3000MB_REG_DDS_FREQ_LSB); - deb_getf("DDS_FREQ: %x %x %x",dds_val, rd(DIB3000MB_REG_DDS_FREQ_MSB), rd(DIB3000MB_REG_DDS_FREQ_LSB)); - if (dds_val < threshold) - inv_test2 = 0; - else if (dds_val == threshold) - inv_test2 = 1; - else - inv_test2 = 2; - - c->inversion = - ((inv_test2 == 2) && (inv_test1==1 || inv_test1==0)) || - ((inv_test2 == 0) && (inv_test1==1 || inv_test1==2)) ? - INVERSION_ON : INVERSION_OFF; - - deb_getf("inversion %d %d, %d\n", inv_test2, inv_test1, c->inversion); - - switch ((tps_val = rd(DIB3000MB_REG_TPS_QAM))) { - case DIB3000_CONSTELLATION_QPSK: - deb_getf("QPSK "); - c->modulation = QPSK; - break; - case DIB3000_CONSTELLATION_16QAM: - deb_getf("QAM16 "); - c->modulation = QAM_16; - break; - case DIB3000_CONSTELLATION_64QAM: - deb_getf("QAM64 "); - c->modulation = QAM_64; - break; - default: - err("Unexpected constellation returned by TPS (%d)", tps_val); - break; - } - deb_getf("TPS: %d\n", tps_val); - - if (rd(DIB3000MB_REG_TPS_HRCH)) { - deb_getf("HRCH ON\n"); - cr = &c->code_rate_LP; - c->code_rate_HP = FEC_NONE; - switch ((tps_val = rd(DIB3000MB_REG_TPS_VIT_ALPHA))) { - case DIB3000_ALPHA_0: - deb_getf("HIERARCHY_NONE "); - c->hierarchy = HIERARCHY_NONE; - break; - case DIB3000_ALPHA_1: - deb_getf("HIERARCHY_1 "); - c->hierarchy = HIERARCHY_1; - break; - case DIB3000_ALPHA_2: - deb_getf("HIERARCHY_2 "); - c->hierarchy = HIERARCHY_2; - break; - case DIB3000_ALPHA_4: - deb_getf("HIERARCHY_4 "); - c->hierarchy = HIERARCHY_4; - break; - default: - err("Unexpected ALPHA value returned by TPS (%d)", tps_val); - break; - } - deb_getf("TPS: %d\n", tps_val); - - tps_val = rd(DIB3000MB_REG_TPS_CODE_RATE_LP); - } else { - deb_getf("HRCH OFF\n"); - cr = &c->code_rate_HP; - c->code_rate_LP = FEC_NONE; - c->hierarchy = HIERARCHY_NONE; - - tps_val = rd(DIB3000MB_REG_TPS_CODE_RATE_HP); - } - - switch (tps_val) { - case DIB3000_FEC_1_2: - deb_getf("FEC_1_2 "); - *cr = FEC_1_2; - break; - case DIB3000_FEC_2_3: - deb_getf("FEC_2_3 "); - *cr = FEC_2_3; - break; - case DIB3000_FEC_3_4: - deb_getf("FEC_3_4 "); - *cr = FEC_3_4; - break; - case DIB3000_FEC_5_6: - deb_getf("FEC_5_6 "); - *cr = FEC_4_5; - break; - case DIB3000_FEC_7_8: - deb_getf("FEC_7_8 "); - *cr = FEC_7_8; - break; - default: - err("Unexpected FEC returned by TPS (%d)", tps_val); - break; - } - deb_getf("TPS: %d\n",tps_val); - - switch ((tps_val = rd(DIB3000MB_REG_TPS_GUARD_TIME))) { - case DIB3000_GUARD_TIME_1_32: - deb_getf("GUARD_INTERVAL_1_32 "); - c->guard_interval = GUARD_INTERVAL_1_32; - break; - case DIB3000_GUARD_TIME_1_16: - deb_getf("GUARD_INTERVAL_1_16 "); - c->guard_interval = GUARD_INTERVAL_1_16; - break; - case DIB3000_GUARD_TIME_1_8: - deb_getf("GUARD_INTERVAL_1_8 "); - c->guard_interval = GUARD_INTERVAL_1_8; - break; - case DIB3000_GUARD_TIME_1_4: - deb_getf("GUARD_INTERVAL_1_4 "); - c->guard_interval = GUARD_INTERVAL_1_4; - break; - default: - err("Unexpected Guard Time returned by TPS (%d)", tps_val); - break; - } - deb_getf("TPS: %d\n", tps_val); - - switch ((tps_val = rd(DIB3000MB_REG_TPS_FFT))) { - case DIB3000_TRANSMISSION_MODE_2K: - deb_getf("TRANSMISSION_MODE_2K "); - c->transmission_mode = TRANSMISSION_MODE_2K; - break; - case DIB3000_TRANSMISSION_MODE_8K: - deb_getf("TRANSMISSION_MODE_8K "); - c->transmission_mode = TRANSMISSION_MODE_8K; - break; - default: - err("unexpected transmission mode return by TPS (%d)", tps_val); - break; - } - deb_getf("TPS: %d\n", tps_val); - - return 0; -} - -static int dib3000mb_read_status(struct dvb_frontend* fe, fe_status_t *stat) -{ - struct dib3000_state* state = fe->demodulator_priv; - - *stat = 0; - - if (rd(DIB3000MB_REG_AGC_LOCK)) - *stat |= FE_HAS_SIGNAL; - if (rd(DIB3000MB_REG_CARRIER_LOCK)) - *stat |= FE_HAS_CARRIER; - if (rd(DIB3000MB_REG_VIT_LCK)) - *stat |= FE_HAS_VITERBI; - if (rd(DIB3000MB_REG_TS_SYNC_LOCK)) - *stat |= (FE_HAS_SYNC | FE_HAS_LOCK); - - deb_getf("actual status is %2x\n",*stat); - - deb_getf("autoval: tps: %d, qam: %d, hrch: %d, alpha: %d, hp: %d, lp: %d, guard: %d, fft: %d cell: %d\n", - rd(DIB3000MB_REG_TPS_LOCK), - rd(DIB3000MB_REG_TPS_QAM), - rd(DIB3000MB_REG_TPS_HRCH), - rd(DIB3000MB_REG_TPS_VIT_ALPHA), - rd(DIB3000MB_REG_TPS_CODE_RATE_HP), - rd(DIB3000MB_REG_TPS_CODE_RATE_LP), - rd(DIB3000MB_REG_TPS_GUARD_TIME), - rd(DIB3000MB_REG_TPS_FFT), - rd(DIB3000MB_REG_TPS_CELL_ID)); - - //*stat = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; - return 0; -} - -static int dib3000mb_read_ber(struct dvb_frontend* fe, u32 *ber) -{ - struct dib3000_state* state = fe->demodulator_priv; - - *ber = ((rd(DIB3000MB_REG_BER_MSB) << 16) | rd(DIB3000MB_REG_BER_LSB)); - return 0; -} - -/* see dib3000-watch dvb-apps for exact calcuations of signal_strength and snr */ -static int dib3000mb_read_signal_strength(struct dvb_frontend* fe, u16 *strength) -{ - struct dib3000_state* state = fe->demodulator_priv; - - *strength = rd(DIB3000MB_REG_SIGNAL_POWER) * 0xffff / 0x170; - return 0; -} - -static int dib3000mb_read_snr(struct dvb_frontend* fe, u16 *snr) -{ - struct dib3000_state* state = fe->demodulator_priv; - short sigpow = rd(DIB3000MB_REG_SIGNAL_POWER); - int icipow = ((rd(DIB3000MB_REG_NOISE_POWER_MSB) & 0xff) << 16) | - rd(DIB3000MB_REG_NOISE_POWER_LSB); - *snr = (sigpow << 8) / ((icipow > 0) ? icipow : 1); - return 0; -} - -static int dib3000mb_read_unc_blocks(struct dvb_frontend* fe, u32 *unc) -{ - struct dib3000_state* state = fe->demodulator_priv; - - *unc = rd(DIB3000MB_REG_PACKET_ERROR_RATE); - return 0; -} - -static int dib3000mb_sleep(struct dvb_frontend* fe) -{ - struct dib3000_state* state = fe->demodulator_priv; - deb_info("dib3000mb is going to bed.\n"); - wr(DIB3000MB_REG_POWER_CONTROL, DIB3000MB_POWER_DOWN); - return 0; -} - -static int dib3000mb_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune) -{ - tune->min_delay_ms = 800; - return 0; -} - -static int dib3000mb_fe_init_nonmobile(struct dvb_frontend* fe) -{ - return dib3000mb_fe_init(fe, 0); -} - -static int dib3000mb_set_frontend_and_tuner(struct dvb_frontend *fe) -{ - return dib3000mb_set_frontend(fe, 1); -} - -static void dib3000mb_release(struct dvb_frontend* fe) -{ - struct dib3000_state *state = fe->demodulator_priv; - kfree(state); -} - -/* pid filter and transfer stuff */ -static int dib3000mb_pid_control(struct dvb_frontend *fe,int index, int pid,int onoff) -{ - struct dib3000_state *state = fe->demodulator_priv; - pid = (onoff ? pid | DIB3000_ACTIVATE_PID_FILTERING : 0); - wr(index+DIB3000MB_REG_FIRST_PID,pid); - return 0; -} - -static int dib3000mb_fifo_control(struct dvb_frontend *fe, int onoff) -{ - struct dib3000_state *state = fe->demodulator_priv; - - deb_xfer("%s fifo\n",onoff ? "enabling" : "disabling"); - if (onoff) { - wr(DIB3000MB_REG_FIFO, DIB3000MB_FIFO_ACTIVATE); - } else { - wr(DIB3000MB_REG_FIFO, DIB3000MB_FIFO_INHIBIT); - } - return 0; -} - -static int dib3000mb_pid_parse(struct dvb_frontend *fe, int onoff) -{ - struct dib3000_state *state = fe->demodulator_priv; - deb_xfer("%s pid parsing\n",onoff ? "enabling" : "disabling"); - wr(DIB3000MB_REG_PID_PARSE,onoff); - return 0; -} - -static int dib3000mb_tuner_pass_ctrl(struct dvb_frontend *fe, int onoff, u8 pll_addr) -{ - struct dib3000_state *state = fe->demodulator_priv; - if (onoff) { - wr(DIB3000MB_REG_TUNER, DIB3000_TUNER_WRITE_ENABLE(pll_addr)); - } else { - wr(DIB3000MB_REG_TUNER, DIB3000_TUNER_WRITE_DISABLE(pll_addr)); - } - return 0; -} - -static struct dvb_frontend_ops dib3000mb_ops; - -struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config, - struct i2c_adapter* i2c, struct dib_fe_xfer_ops *xfer_ops) -{ - struct dib3000_state* state = NULL; - - /* allocate memory for the internal state */ - state = kzalloc(sizeof(struct dib3000_state), GFP_KERNEL); - if (state == NULL) - goto error; - - /* setup the state */ - state->i2c = i2c; - memcpy(&state->config,config,sizeof(struct dib3000_config)); - - /* check for the correct demod */ - if (rd(DIB3000_REG_MANUFACTOR_ID) != DIB3000_I2C_ID_DIBCOM) - goto error; - - if (rd(DIB3000_REG_DEVICE_ID) != DIB3000MB_DEVICE_ID) - goto error; - - /* create dvb_frontend */ - memcpy(&state->frontend.ops, &dib3000mb_ops, sizeof(struct dvb_frontend_ops)); - state->frontend.demodulator_priv = state; - - /* set the xfer operations */ - xfer_ops->pid_parse = dib3000mb_pid_parse; - xfer_ops->fifo_ctrl = dib3000mb_fifo_control; - xfer_ops->pid_ctrl = dib3000mb_pid_control; - xfer_ops->tuner_pass_ctrl = dib3000mb_tuner_pass_ctrl; - - return &state->frontend; - -error: - kfree(state); - return NULL; -} - -static struct dvb_frontend_ops dib3000mb_ops = { - .delsys = { SYS_DVBT }, - .info = { - .name = "DiBcom 3000M-B DVB-T", - .frequency_min = 44250000, - .frequency_max = 867250000, - .frequency_stepsize = 62500, - .caps = FE_CAN_INVERSION_AUTO | - FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | - FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | - FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | - FE_CAN_TRANSMISSION_MODE_AUTO | - FE_CAN_GUARD_INTERVAL_AUTO | - FE_CAN_RECOVER | - FE_CAN_HIERARCHY_AUTO, - }, - - .release = dib3000mb_release, - - .init = dib3000mb_fe_init_nonmobile, - .sleep = dib3000mb_sleep, - - .set_frontend = dib3000mb_set_frontend_and_tuner, - .get_frontend = dib3000mb_get_frontend, - .get_tune_settings = dib3000mb_fe_get_tune_settings, - - .read_status = dib3000mb_read_status, - .read_ber = dib3000mb_read_ber, - .read_signal_strength = dib3000mb_read_signal_strength, - .read_snr = dib3000mb_read_snr, - .read_ucblocks = dib3000mb_read_unc_blocks, -}; - -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); - -EXPORT_SYMBOL(dib3000mb_attach); |