diff options
| -rw-r--r-- | linux/drivers/media/dvb/frontends/Kconfig | 8 | ||||
| -rw-r--r-- | linux/drivers/media/dvb/frontends/Makefile | 1 | ||||
| -rw-r--r-- | linux/drivers/media/dvb/frontends/dib7000m.c | 240 | ||||
| -rw-r--r-- | linux/drivers/media/dvb/frontends/dib7000m.h | 50 | ||||
| -rw-r--r-- | v4l/versions.txt | 1 |
5 files changed, 300 insertions, 0 deletions
diff --git a/linux/drivers/media/dvb/frontends/Kconfig b/linux/drivers/media/dvb/frontends/Kconfig index 9e5ff0dbe..24ebf5124 100644 --- a/linux/drivers/media/dvb/frontends/Kconfig +++ b/linux/drivers/media/dvb/frontends/Kconfig @@ -172,6 +172,14 @@ config DVB_DIB3000MC A DVB-T tuner module. Designed for mobile usage. Say Y when you want to support this frontend. +config DVB_DIB7000M + tristate "DiBcom 7000MA/MB/PA/PB/MC" + depends on DVB_CORE && I2C + default m if DVB_FE_CUSTOMISE + help + A DVB-T tuner module. Designed for mobile usage. Say Y when you want + to support this frontend. + comment "DVB-C (cable) frontends" depends on DVB_CORE diff --git a/linux/drivers/media/dvb/frontends/Makefile b/linux/drivers/media/dvb/frontends/Makefile index 0b43942d8..d10c8a83f 100644 --- a/linux/drivers/media/dvb/frontends/Makefile +++ b/linux/drivers/media/dvb/frontends/Makefile @@ -13,6 +13,7 @@ obj-$(CONFIG_DVB_TDA8083) += tda8083.o obj-$(CONFIG_DVB_L64781) += l64781.o obj-$(CONFIG_DVB_DIB3000MB) += dib3000mb.o obj-$(CONFIG_DVB_DIB3000MC) += dib3000mc.o dibx000_common.o +obj-$(CONFIG_DVB_DIB7000M) += dib7000m.o dibx000_common.o obj-$(CONFIG_DVB_MT312) += mt312.o obj-$(CONFIG_DVB_VES1820) += ves1820.o obj-$(CONFIG_DVB_VES1X93) += ves1x93.o diff --git a/linux/drivers/media/dvb/frontends/dib7000m.c b/linux/drivers/media/dvb/frontends/dib7000m.c new file mode 100644 index 000000000..b2cdbdf95 --- /dev/null +++ b/linux/drivers/media/dvb/frontends/dib7000m.c @@ -0,0 +1,240 @@ +/* + * Linux-DVB Driver for DiBcom's DiB7000M and + * first generation DiB7000P-demodulator-family. + * + * Copyright (C) 2005-6 DiBcom (http://www.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. + */ +#include <linux/kernel.h> +#include <linux/i2c.h> + +#include "dvb_frontend.h" + +#include "dib7000m.h" + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "turn on debugging (default: 0)"); + +#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB3000MC/P:"); printk(args); } } while (0) + +struct dib7000m_state { + struct dvb_frontend demod; + struct dib7000m_config cfg; + + u8 i2c_addr; + struct i2c_adapter *i2c_adap; + + struct dibx000_i2c_master i2c_master; + +/* offset is 1 in case of the 7000MC */ + u8 reg_offs; + + u16 wbd_ref; + + u8 current_band; + fe_bandwidth_t current_bandwidth; + struct dibx000_agc_config *current_agc; + u32 timf[9]; + + u16 revision; +}; + +static u16 dib7000m_read_word(struct dib7000m_state *state, u16 reg) +{ + u8 wb[2] = { (reg >> 8) | 0x80, reg & 0xff }; + u8 rb[2]; + struct i2c_msg msg[2] = { + { .addr = state->i2c_addr >> 1, .flags = 0, .buf = wb, .len = 2 }, + { .addr = state->i2c_addr >> 1, .flags = I2C_M_RD, .buf = rb, .len = 2 }, + }; + + if (i2c_transfer(state->i2c_adap, msg, 2) != 2) + dprintk("i2c read error on %d\n",reg); + + return (rb[0] << 8) | rb[1]; +} + +static int dib7000m_write_word(struct dib7000m_state *state, u16 reg, u16 val) +{ + u8 b[4] = { + (reg >> 8) & 0xff, reg & 0xff, + (val >> 8) & 0xff, val & 0xff, + }; + struct i2c_msg msg = { + .addr = state->i2c_addr >> 1, .flags = 0, .buf = b, .len = 4 + }; + return i2c_transfer(state->i2c_adap, &msg, 1) != 1 ? -EREMOTEIO : 0; +} + +static int dib7000m_get_frontend(struct dvb_frontend* fe, + struct dvb_frontend_parameters *fep) +{ + struct dib7000m_state *state = fe->demodulator_priv; + u16 tps = dib7000m_read_word(state,480); + + fep->inversion = INVERSION_AUTO; + + fep->u.ofdm.bandwidth = state->current_bandwidth; + + switch ((tps >> 8) & 0x2) { + case 0: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K; break; + case 1: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_8K; break; + /* case 2: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_4K; break; */ + } + + switch (tps & 0x3) { + case 0: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_32; break; + case 1: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_16; break; + case 2: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_8; break; + case 3: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_4; break; + } + + switch ((tps >> 14) & 0x3) { + case 0: fep->u.ofdm.constellation = QPSK; break; + case 1: fep->u.ofdm.constellation = QAM_16; break; + case 2: + default: fep->u.ofdm.constellation = QAM_64; break; + } + + /* as long as the frontend_param structure is fixed for hierarchical transmission I refuse to use it */ + /* (tps >> 13) & 0x1 == hrch is used, (tps >> 10) & 0x7 == alpha */ + + fep->u.ofdm.hierarchy_information = HIERARCHY_NONE; + switch ((tps >> 5) & 0x7) { + case 1: fep->u.ofdm.code_rate_HP = FEC_1_2; break; + case 2: fep->u.ofdm.code_rate_HP = FEC_2_3; break; + case 3: fep->u.ofdm.code_rate_HP = FEC_3_4; break; + case 5: fep->u.ofdm.code_rate_HP = FEC_5_6; break; + case 7: + default: fep->u.ofdm.code_rate_HP = FEC_7_8; break; + + } + + switch ((tps >> 2) & 0x7) { + case 1: fep->u.ofdm.code_rate_LP = FEC_1_2; break; + case 2: fep->u.ofdm.code_rate_LP = FEC_2_3; break; + case 3: fep->u.ofdm.code_rate_LP = FEC_3_4; break; + case 5: fep->u.ofdm.code_rate_LP = FEC_5_6; break; + case 7: + default: fep->u.ofdm.code_rate_LP = FEC_7_8; break; + } + + /* native interleaver: (dib7000m_read_word(state, 481) >> 5) & 0x1 */ + + return 0; +} + +static int dib7000m_set_frontend(struct dvb_frontend* fe, + struct dvb_frontend_parameters *fep) +{ + return 0; +} + +static int dib7000m_read_status(struct dvb_frontend *fe, fe_status_t *stat) +{ + struct dib7000m_state *state = fe->demodulator_priv; + u16 lock = dib7000m_read_word(state, 509); + + *stat = 0; + + if (lock & 0x8000) + *stat |= FE_HAS_SIGNAL; + if (lock & 0x3000) + *stat |= FE_HAS_CARRIER; + if (lock & 0x0100) + *stat |= FE_HAS_VITERBI; + if (lock & 0x0010) + *stat |= FE_HAS_SYNC; + if (lock & 0x0008) + *stat |= FE_HAS_LOCK; + + return 0; +} + +static int dib7000m_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + struct dib7000m_state *state = fe->demodulator_priv; + *ber = (dib7000m_read_word(state, 526) << 16) | dib7000m_read_word(state, 527); + return 0; +} + +static int dib7000m_read_unc_blocks(struct dvb_frontend *fe, u32 *unc) +{ + struct dib7000m_state *state = fe->demodulator_priv; + *unc = dib7000m_read_word(state, 534); + return 0; +} + +static int dib7000m_read_signal_strength(struct dvb_frontend *fe, u16 *strength) +{ + struct dib7000m_state *state = fe->demodulator_priv; + u16 val = dib7000m_read_word(state, 390); + *strength = 65535 - val; + return 0; +} + +static int dib7000m_read_snr(struct dvb_frontend* fe, u16 *snr) +{ + *snr = 0x0000; + return 0; +} + +static int dib7000m_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune) +{ + tune->min_delay_ms = 1000; + return 0; +} + +static int dib7000m_init(struct dvb_frontend *fe) +{ + return 0; +} + +static int dib7000m_sleep(struct dvb_frontend *fe) +{ + return 0; +} + +static void dib7000m_release(struct dvb_frontend *fe) +{ } + +static struct dvb_frontend_ops dib7000m_ops = { + .info = { + .name = "DiBcom 7000MA/MB/PA/PB/MC", + .type = FE_OFDM, + .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 = dib7000m_release, + + .init = dib7000m_init, + .sleep = dib7000m_sleep, + + .set_frontend = dib7000m_set_frontend, + .get_tune_settings = dib7000m_fe_get_tune_settings, + .get_frontend = dib7000m_get_frontend, + + .read_status = dib7000m_read_status, + .read_ber = dib7000m_read_ber, + .read_signal_strength = dib7000m_read_signal_strength, + .read_snr = dib7000m_read_snr, + .read_ucblocks = dib7000m_read_unc_blocks, +}; + +MODULE_AUTHOR("Patrick Boettcher <pboettcher@dibcom.fr>"); +MODULE_DESCRIPTION("Driver for the DiBcom 7000MA/MB/PA/PB/MC COFDM demodulator"); +MODULE_LICENSE("GPL"); diff --git a/linux/drivers/media/dvb/frontends/dib7000m.h b/linux/drivers/media/dvb/frontends/dib7000m.h new file mode 100644 index 000000000..45990e3a5 --- /dev/null +++ b/linux/drivers/media/dvb/frontends/dib7000m.h @@ -0,0 +1,50 @@ +#ifndef DIB7000M_H +#define DIB7000M_H + +#include "dibx000_common.h" + +struct dib7000m_config { + u8 dvbt_mode; + u8 output_mpeg2_in_188_bytes; + u8 hostbus_diversity; + u8 tuner_is_baseband; + u8 mobile_mode; + int (*update_lna) (struct dvb_frontend *, u16 agc_global); + + u8 agc_config_count; + struct dibx000_agc_config *agc; + + struct dibx000_bandwidth_config *bw; + +#define DIB7000M_GPIO_DEFAULT_DIRECTIONS 0xffff + u16 gpio_dir; +#define DIB7000M_GPIO_DEFAULT_VALUES 0x0000 + u16 gpio_val; +#define DIB7000M_GPIO_PWM_POS0(v) ((v & 0xf) << 12) +#define DIB7000M_GPIO_PWM_POS1(v) ((v & 0xf) << 8 ) +#define DIB7000M_GPIO_PWM_POS2(v) ((v & 0xf) << 4 ) +#define DIB7000M_GPIO_PWM_POS3(v) (v & 0xf) +#define DIB7000M_GPIO_DEFAULT_PWM_POS 0xffff + u16 gpio_pwm_pos; + + u16 pwm_freq_div; + + u8 quartz_direct; + + u8 input_clk_is_div_2; +}; + +#define DEFAULT_DIB7000M_I2C_ADDRESS 18 + +extern int dib7000m_attach(struct i2c_adapter *i2c_adap, int no_of_demods, u8 default_addr , u8 do_i2c_enum, struct dib7000m_config[], struct dvb_frontend*[]); + +extern struct i2c_adapter * dib7000m_get_i2c_master(struct dvb_frontend *, enum dibx000_i2c_interface, int); + +/* TODO +extern INT dib7000m_set_gpio(struct dibDemod *demod, UCHAR num, UCHAR dir, UCHAR val); +extern INT dib7000m_enable_vbg_voltage(struct dibDemod *demod); +extern void dib7000m_set_hostbus_diversity(struct dibDemod *demod, UCHAR onoff); +extern USHORT dib7000m_get_current_agc_global(struct dibDemod *demod); +*/ + +#endif diff --git a/v4l/versions.txt b/v4l/versions.txt index 80e96096c..b5c0502e0 100644 --- a/v4l/versions.txt +++ b/v4l/versions.txt @@ -142,6 +142,7 @@ DVB_MT352 DVB_ZL10353 DVB_DIB3000MB DVB_DIB3000MC +DVB_DIB7000M DVB_VES1820 DVB_TDA10021 DVB_STV0297 |