diff options
Diffstat (limited to 'drivers/media/dvb/frontends')
-rw-r--r-- | drivers/media/dvb/frontends/Kconfig | 24 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/Makefile | 3 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/at76c651.c | 450 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/at76c651.h | 47 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/dvb-pll.c | 8 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/dvb-pll.h | 2 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/nxt2002.c | 706 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/nxt2002.h | 23 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/nxt200x.c | 58 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/tda80xx.c | 734 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/tda80xx.h | 51 |
11 files changed, 55 insertions, 2051 deletions
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index db3a8b4..76b6a2a 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -28,12 +28,6 @@ config DVB_TDA8083 help A DVB-S tuner module. Say Y when you want to support this frontend. -config DVB_TDA80XX - tristate "Philips TDA8044 or TDA8083 based" - depends on DVB_CORE - help - A DVB-S tuner module. Say Y when you want to support this frontend. - config DVB_MT312 tristate "Zarlink MT312 based" depends on DVB_CORE @@ -139,12 +133,6 @@ config DVB_DIB3000MC comment "DVB-C (cable) frontends" depends on DVB_CORE -config DVB_ATMEL_AT76C651 - tristate "Atmel AT76C651 based" - depends on DVB_CORE - help - A DVB-C tuner module. Say Y when you want to support this frontend. - config DVB_VES1820 tristate "VLSI VES1820 based" depends on DVB_CORE @@ -166,18 +154,6 @@ config DVB_STV0297 comment "ATSC (North American/Korean Terresterial DTV) frontends" depends on DVB_CORE -config DVB_NXT2002 - tristate "Nxt2002 based" - depends on DVB_CORE - select FW_LOADER - help - An ATSC 8VSB tuner module. Say Y when you want to support this frontend. - - This driver needs external firmware. Please use the command - "<kerneldir>/Documentation/dvb/get_dvb_firmware nxt2002" to - download/extract it, and then copy it to /usr/lib/hotplug/firmware - or /lib/firmware (depending on configuration of firmware hotplug). - config DVB_NXT200X tristate "Nextwave NXT2002/NXT2004 based" depends on DVB_CORE diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 615ec83..1af769c 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -8,7 +8,6 @@ obj-$(CONFIG_DVB_CORE) += dvb-pll.o obj-$(CONFIG_DVB_STV0299) += stv0299.o obj-$(CONFIG_DVB_SP8870) += sp8870.o obj-$(CONFIG_DVB_CX22700) += cx22700.o -obj-$(CONFIG_DVB_ATMEL_AT76C651) += at76c651.o obj-$(CONFIG_DVB_CX24110) += cx24110.o obj-$(CONFIG_DVB_TDA8083) += tda8083.o obj-$(CONFIG_DVB_L64781) += l64781.o @@ -22,10 +21,8 @@ obj-$(CONFIG_DVB_SP887X) += sp887x.o obj-$(CONFIG_DVB_NXT6000) += nxt6000.o obj-$(CONFIG_DVB_MT352) += mt352.o obj-$(CONFIG_DVB_CX22702) += cx22702.o -obj-$(CONFIG_DVB_TDA80XX) += tda80xx.o obj-$(CONFIG_DVB_TDA10021) += tda10021.o obj-$(CONFIG_DVB_STV0297) += stv0297.o -obj-$(CONFIG_DVB_NXT2002) += nxt2002.o obj-$(CONFIG_DVB_NXT200X) += nxt200x.o obj-$(CONFIG_DVB_OR51211) += or51211.o obj-$(CONFIG_DVB_OR51132) += or51132.o diff --git a/drivers/media/dvb/frontends/at76c651.c b/drivers/media/dvb/frontends/at76c651.c deleted file mode 100644 index 8e0f4b3..0000000 --- a/drivers/media/dvb/frontends/at76c651.c +++ /dev/null @@ -1,450 +0,0 @@ -/* - * at76c651.c - * - * Atmel DVB-C Frontend Driver (at76c651/tua6010xs) - * - * Copyright (C) 2001 fnbrd <fnbrd@gmx.de> - * & 2002-2004 Andreas Oberritter <obi@linuxtv.org> - * & 2003 Wolfram Joost <dbox2@frokaschwei.de> - * - * 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. - * - * AT76C651 - * http://www.nalanda.nitc.ac.in/industry/datasheets/atmel/acrobat/doc1293.pdf - * http://www.atmel.com/atmel/acrobat/doc1320.pdf - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/slab.h> -#include <linux/bitops.h> -#include "dvb_frontend.h" -#include "at76c651.h" - - -struct at76c651_state { - - struct i2c_adapter* i2c; - - struct dvb_frontend_ops ops; - - const struct at76c651_config* config; - - struct dvb_frontend frontend; - - /* revision of the chip */ - u8 revision; - - /* last QAM value set */ - u8 qam; -}; - -static int debug; -#define dprintk(args...) \ - do { \ - if (debug) printk(KERN_DEBUG "at76c651: " args); \ - } while (0) - - -#if ! defined(__powerpc__) -static __inline__ int __ilog2(unsigned long x) -{ - int i; - - if (x == 0) - return -1; - - for (i = 0; x != 0; i++) - x >>= 1; - - return i - 1; -} -#endif - -static int at76c651_writereg(struct at76c651_state* state, u8 reg, u8 data) -{ - int ret; - u8 buf[] = { reg, data }; - struct i2c_msg msg = - { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 }; - - ret = i2c_transfer(state->i2c, &msg, 1); - - if (ret != 1) - dprintk("%s: writereg error " - "(reg == 0x%02x, val == 0x%02x, ret == %i)\n", - __FUNCTION__, reg, data, ret); - - msleep(10); - - return (ret != 1) ? -EREMOTEIO : 0; -} - -static u8 at76c651_readreg(struct at76c651_state* state, u8 reg) -{ - int ret; - u8 val; - struct i2c_msg msg[] = { - { .addr = state->config->demod_address, .flags = 0, .buf = ®, .len = 1 }, - { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = &val, .len = 1 } - }; - - ret = i2c_transfer(state->i2c, msg, 2); - - if (ret != 2) - dprintk("%s: readreg error (ret == %i)\n", __FUNCTION__, ret); - - return val; -} - -static int at76c651_reset(struct at76c651_state* state) -{ - return at76c651_writereg(state, 0x07, 0x01); -} - -static void at76c651_disable_interrupts(struct at76c651_state* state) -{ - at76c651_writereg(state, 0x0b, 0x00); -} - -static int at76c651_set_auto_config(struct at76c651_state *state) -{ - /* - * Autoconfig - */ - - at76c651_writereg(state, 0x06, 0x01); - - /* - * Performance optimizations, should be done after autoconfig - */ - - at76c651_writereg(state, 0x10, 0x06); - at76c651_writereg(state, 0x11, ((state->qam == 5) || (state->qam == 7)) ? 0x12 : 0x10); - at76c651_writereg(state, 0x15, 0x28); - at76c651_writereg(state, 0x20, 0x09); - at76c651_writereg(state, 0x24, ((state->qam == 5) || (state->qam == 7)) ? 0xC0 : 0x90); - at76c651_writereg(state, 0x30, 0x90); - if (state->qam == 5) - at76c651_writereg(state, 0x35, 0x2A); - - /* - * Initialize A/D-converter - */ - - if (state->revision == 0x11) { - at76c651_writereg(state, 0x2E, 0x38); - at76c651_writereg(state, 0x2F, 0x13); - } - - at76c651_disable_interrupts(state); - - /* - * Restart operation - */ - - at76c651_reset(state); - - return 0; -} - -static void at76c651_set_bbfreq(struct at76c651_state* state) -{ - at76c651_writereg(state, 0x04, 0x3f); - at76c651_writereg(state, 0x05, 0xee); -} - -static int at76c651_set_symbol_rate(struct at76c651_state* state, u32 symbol_rate) -{ - u8 exponent; - u32 mantissa; - - if (symbol_rate > 9360000) - return -EINVAL; - - /* - * FREF = 57800 kHz - * exponent = 10 + floor (log2(symbol_rate / FREF)) - * mantissa = (symbol_rate / FREF) * (1 << (30 - exponent)) - */ - - exponent = __ilog2((symbol_rate << 4) / 903125); - mantissa = ((symbol_rate / 3125) * (1 << (24 - exponent))) / 289; - - at76c651_writereg(state, 0x00, mantissa >> 13); - at76c651_writereg(state, 0x01, mantissa >> 5); - at76c651_writereg(state, 0x02, (mantissa << 3) | exponent); - - return 0; -} - -static int at76c651_set_qam(struct at76c651_state *state, fe_modulation_t qam) -{ - switch (qam) { - case QPSK: - state->qam = 0x02; - break; - case QAM_16: - state->qam = 0x04; - break; - case QAM_32: - state->qam = 0x05; - break; - case QAM_64: - state->qam = 0x06; - break; - case QAM_128: - state->qam = 0x07; - break; - case QAM_256: - state->qam = 0x08; - break; -#if 0 - case QAM_512: - state->qam = 0x09; - break; - case QAM_1024: - state->qam = 0x0A; - break; -#endif - default: - return -EINVAL; - - } - - return at76c651_writereg(state, 0x03, state->qam); -} - -static int at76c651_set_inversion(struct at76c651_state* state, fe_spectral_inversion_t inversion) -{ - u8 feciqinv = at76c651_readreg(state, 0x60); - - switch (inversion) { - case INVERSION_OFF: - feciqinv |= 0x02; - feciqinv &= 0xFE; - break; - - case INVERSION_ON: - feciqinv |= 0x03; - break; - - case INVERSION_AUTO: - feciqinv &= 0xFC; - break; - - default: - return -EINVAL; - } - - return at76c651_writereg(state, 0x60, feciqinv); -} - -static int at76c651_set_parameters(struct dvb_frontend* fe, - struct dvb_frontend_parameters *p) -{ - int ret; - struct at76c651_state* state = fe->demodulator_priv; - - at76c651_writereg(state, 0x0c, 0xc3); - state->config->pll_set(fe, p); - at76c651_writereg(state, 0x0c, 0xc2); - - if ((ret = at76c651_set_symbol_rate(state, p->u.qam.symbol_rate))) - return ret; - - if ((ret = at76c651_set_inversion(state, p->inversion))) - return ret; - - return at76c651_set_auto_config(state); -} - -static int at76c651_set_defaults(struct dvb_frontend* fe) -{ - struct at76c651_state* state = fe->demodulator_priv; - - at76c651_set_symbol_rate(state, 6900000); - at76c651_set_qam(state, QAM_64); - at76c651_set_bbfreq(state); - at76c651_set_auto_config(state); - - if (state->config->pll_init) { - at76c651_writereg(state, 0x0c, 0xc3); - state->config->pll_init(fe); - at76c651_writereg(state, 0x0c, 0xc2); - } - - return 0; -} - -static int at76c651_read_status(struct dvb_frontend* fe, fe_status_t* status) -{ - struct at76c651_state* state = fe->demodulator_priv; - u8 sync; - - /* - * Bits: FEC, CAR, EQU, TIM, AGC2, AGC1, ADC, PLL (PLL=0) - */ - sync = at76c651_readreg(state, 0x80); - *status = 0; - - if (sync & (0x04 | 0x10)) /* AGC1 || TIM */ - *status |= FE_HAS_SIGNAL; - if (sync & 0x10) /* TIM */ - *status |= FE_HAS_CARRIER; - if (sync & 0x80) /* FEC */ - *status |= FE_HAS_VITERBI; - if (sync & 0x40) /* CAR */ - *status |= FE_HAS_SYNC; - if ((sync & 0xF0) == 0xF0) /* TIM && EQU && CAR && FEC */ - *status |= FE_HAS_LOCK; - - return 0; -} - -static int at76c651_read_ber(struct dvb_frontend* fe, u32* ber) -{ - struct at76c651_state* state = fe->demodulator_priv; - - *ber = (at76c651_readreg(state, 0x81) & 0x0F) << 16; - *ber |= at76c651_readreg(state, 0x82) << 8; - *ber |= at76c651_readreg(state, 0x83); - *ber *= 10; - - return 0; -} - -static int at76c651_read_signal_strength(struct dvb_frontend* fe, u16* strength) -{ - struct at76c651_state* state = fe->demodulator_priv; - - u8 gain = ~at76c651_readreg(state, 0x91); - *strength = (gain << 8) | gain; - - return 0; -} - -static int at76c651_read_snr(struct dvb_frontend* fe, u16* snr) -{ - struct at76c651_state* state = fe->demodulator_priv; - - *snr = 0xFFFF - - ((at76c651_readreg(state, 0x8F) << 8) | - at76c651_readreg(state, 0x90)); - - return 0; -} - -static int at76c651_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) -{ - struct at76c651_state* state = fe->demodulator_priv; - - *ucblocks = at76c651_readreg(state, 0x82); - - return 0; -} - -static int at76c651_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *fesettings) -{ - fesettings->min_delay_ms = 50; - fesettings->step_size = 0; - fesettings->max_drift = 0; - return 0; -} - -static void at76c651_release(struct dvb_frontend* fe) -{ - struct at76c651_state* state = fe->demodulator_priv; - kfree(state); -} - -static struct dvb_frontend_ops at76c651_ops; - -struct dvb_frontend* at76c651_attach(const struct at76c651_config* config, - struct i2c_adapter* i2c) -{ - struct at76c651_state* state = NULL; - - /* allocate memory for the internal state */ - state = kmalloc(sizeof(struct at76c651_state), GFP_KERNEL); - if (state == NULL) goto error; - - /* setup the state */ - state->config = config; - state->qam = 0; - - /* check if the demod is there */ - if (at76c651_readreg(state, 0x0e) != 0x65) goto error; - - /* finalise state setup */ - state->i2c = i2c; - state->revision = at76c651_readreg(state, 0x0f) & 0xfe; - memcpy(&state->ops, &at76c651_ops, sizeof(struct dvb_frontend_ops)); - - /* create dvb_frontend */ - state->frontend.ops = &state->ops; - state->frontend.demodulator_priv = state; - return &state->frontend; - -error: - kfree(state); - return NULL; -} - -static struct dvb_frontend_ops at76c651_ops = { - - .info = { - .name = "Atmel AT76C651B DVB-C", - .type = FE_QAM, - .frequency_min = 48250000, - .frequency_max = 863250000, - .frequency_stepsize = 62500, - /*.frequency_tolerance = */ /* FIXME: 12% of SR */ - .symbol_rate_min = 0, /* FIXME */ - .symbol_rate_max = 9360000, /* FIXME */ - .symbol_rate_tolerance = 4000, - .caps = FE_CAN_INVERSION_AUTO | - FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | - FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 | - FE_CAN_FEC_7_8 | FE_CAN_FEC_8_9 | FE_CAN_FEC_AUTO | - FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 | FE_CAN_QAM_128 | - FE_CAN_MUTE_TS | FE_CAN_QAM_256 | FE_CAN_RECOVER - }, - - .release = at76c651_release, - - .init = at76c651_set_defaults, - - .set_frontend = at76c651_set_parameters, - .get_tune_settings = at76c651_get_tune_settings, - - .read_status = at76c651_read_status, - .read_ber = at76c651_read_ber, - .read_signal_strength = at76c651_read_signal_strength, - .read_snr = at76c651_read_snr, - .read_ucblocks = at76c651_read_ucblocks, -}; - -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); - -MODULE_DESCRIPTION("Atmel AT76C651 DVB-C Demodulator Driver"); -MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>"); -MODULE_LICENSE("GPL"); - -EXPORT_SYMBOL(at76c651_attach); diff --git a/drivers/media/dvb/frontends/at76c651.h b/drivers/media/dvb/frontends/at76c651.h deleted file mode 100644 index 34054df..0000000 --- a/drivers/media/dvb/frontends/at76c651.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * at76c651.c - * - * Atmel DVB-C Frontend Driver (at76c651) - * - * Copyright (C) 2001 fnbrd <fnbrd@gmx.de> - * & 2002-2004 Andreas Oberritter <obi@linuxtv.org> - * & 2003 Wolfram Joost <dbox2@frokaschwei.de> - * - * 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. - * - * AT76C651 - * http://www.nalanda.nitc.ac.in/industry/datasheets/atmel/acrobat/doc1293.pdf - * http://www.atmel.com/atmel/acrobat/doc1320.pdf - */ - -#ifndef AT76C651_H -#define AT76C651_H - -#include <linux/dvb/frontend.h> - -struct at76c651_config -{ - /* the demodulator's i2c address */ - u8 demod_address; - - /* PLL maintenance */ - int (*pll_init)(struct dvb_frontend* fe); - int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params); -}; - -extern struct dvb_frontend* at76c651_attach(const struct at76c651_config* config, - struct i2c_adapter* i2c); - -#endif // AT76C651_H diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c index 1b9934e..4dcb605 100644 --- a/drivers/media/dvb/frontends/dvb-pll.c +++ b/drivers/media/dvb/frontends/dvb-pll.c @@ -326,11 +326,11 @@ struct dvb_pll_desc dvb_pll_tuv1236d = { }; EXPORT_SYMBOL(dvb_pll_tuv1236d); -/* Samsung TBMV30111IN +/* Samsung TBMV30111IN / TBMV30712IN1 * used in Air2PC ATSC - 2nd generation (nxt2002) */ -struct dvb_pll_desc dvb_pll_tbmv30111in = { - .name = "Samsung TBMV30111IN", +struct dvb_pll_desc dvb_pll_samsung_tbmv = { + .name = "Samsung TBMV30111IN / TBMV30712IN1", .min = 54000000, .max = 860000000, .count = 6, @@ -343,7 +343,7 @@ struct dvb_pll_desc dvb_pll_tbmv30111in = { { 999999999, 44000000, 166666, 0xfc, 0x02 }, } }; -EXPORT_SYMBOL(dvb_pll_tbmv30111in); +EXPORT_SYMBOL(dvb_pll_samsung_tbmv); /* * Philips SD1878 Tuner. diff --git a/drivers/media/dvb/frontends/dvb-pll.h b/drivers/media/dvb/frontends/dvb-pll.h index f682c09..bb8d4b4 100644 --- a/drivers/media/dvb/frontends/dvb-pll.h +++ b/drivers/media/dvb/frontends/dvb-pll.h @@ -38,7 +38,7 @@ extern struct dvb_pll_desc dvb_pll_tded4; extern struct dvb_pll_desc dvb_pll_tuv1236d; extern struct dvb_pll_desc dvb_pll_tdhu2; -extern struct dvb_pll_desc dvb_pll_tbmv30111in; +extern struct dvb_pll_desc dvb_pll_samsung_tbmv; extern struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261; int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf, diff --git a/drivers/media/dvb/frontends/nxt2002.c b/drivers/media/dvb/frontends/nxt2002.c deleted file mode 100644 index 4f263e6..0000000 --- a/drivers/media/dvb/frontends/nxt2002.c +++ /dev/null @@ -1,706 +0,0 @@ -/* - Support for B2C2/BBTI Technisat Air2PC - ATSC - - Copyright (C) 2004 Taylor Jacob <rtjacob@earthlink.net> - - 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. - -*/ - -/* - * This driver needs external firmware. Please use the command - * "<kerneldir>/Documentation/dvb/get_dvb_firmware nxt2002" to - * download/extract it, and then copy it to /usr/lib/hotplug/firmware - * or /lib/firmware (depending on configuration of firmware hotplug). - */ -#define NXT2002_DEFAULT_FIRMWARE "dvb-fe-nxt2002.fw" -#define CRC_CCIT_MASK 0x1021 - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/device.h> -#include <linux/firmware.h> -#include <linux/string.h> -#include <linux/slab.h> - -#include "dvb_frontend.h" -#include "nxt2002.h" - -struct nxt2002_state { - - struct i2c_adapter* i2c; - struct dvb_frontend_ops ops; - const struct nxt2002_config* config; - struct dvb_frontend frontend; - - /* demodulator private data */ - u8 initialised:1; -}; - -static int debug; -#define dprintk(args...) \ - do { \ - if (debug) printk(KERN_DEBUG "nxt2002: " args); \ - } while (0) - -static int i2c_writebytes (struct nxt2002_state* state, u8 reg, u8 *buf, u8 len) -{ - /* probbably a much better way or doing this */ - u8 buf2 [256],x; - int err; - struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf2, .len = len + 1 }; - - buf2[0] = reg; - for (x = 0 ; x < len ; x++) - buf2[x+1] = buf[x]; - - if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) { - printk ("%s: i2c write error (addr %02x, err == %i)\n", - __FUNCTION__, state->config->demod_address, err); - return -EREMOTEIO; - } - - return 0; -} - -static u8 i2c_readbytes (struct nxt2002_state* state, u8 reg, u8* buf, u8 len) -{ - u8 reg2 [] = { reg }; - - struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = reg2, .len = 1 }, - { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = buf, .len = len } }; - - int err; - - if ((err = i2c_transfer (state->i2c, msg, 2)) != 2) { - printk ("%s: i2c read error (addr %02x, err == %i)\n", - __FUNCTION__, state->config->demod_address, err); - return -EREMOTEIO; - } - - return 0; -} - -static u16 nxt2002_crc(u16 crc, u8 c) -{ - - u8 i; - u16 input = (u16) c & 0xFF; - - input<<=8; - for(i=0 ;i<8 ;i++) { - if((crc ^ input) & 0x8000) - crc=(crc<<1)^CRC_CCIT_MASK; - else - crc<<=1; - input<<=1; - } - return crc; -} - -static int nxt2002_writereg_multibyte (struct nxt2002_state* state, u8 reg, u8* data, u8 len) -{ - u8 buf; - dprintk("%s\n", __FUNCTION__); - - /* set multi register length */ - i2c_writebytes(state,0x34,&len,1); - - /* set mutli register register */ - i2c_writebytes(state,0x35,®,1); - - /* send the actual data */ - i2c_writebytes(state,0x36,data,len); - - /* toggle the multireg write bit*/ - buf = 0x02; - i2c_writebytes(state,0x21,&buf,1); - - i2c_readbytes(state,0x21,&buf,1); - - if ((buf & 0x02) == 0) - return 0; - - dprintk("Error writing multireg register %02X\n",reg); - - return 0; -} - -static int nxt2002_readreg_multibyte (struct nxt2002_state* state, u8 reg, u8* data, u8 len) -{ - u8 len2; - dprintk("%s\n", __FUNCTION__); - - /* set multi register length */ - len2 = len & 0x80; - i2c_writebytes(state,0x34,&len2,1); - - /* set mutli register register */ - i2c_writebytes(state,0x35,®,1); - - /* send the actual data */ - i2c_readbytes(state,reg,data,len); - - return 0; -} - -static void nxt2002_microcontroller_stop (struct nxt2002_state* state) -{ - u8 buf[2],counter = 0; - dprintk("%s\n", __FUNCTION__); - - buf[0] = 0x80; - i2c_writebytes(state,0x22,buf,1); - - while (counter < 20) { - i2c_readbytes(state,0x31,buf,1); - if (buf[0] & 0x40) - return; - msleep(10); - counter++; - } - - dprintk("Timeout waiting for micro to stop.. This is ok after firmware upload\n"); - return; -} - -static void nxt2002_microcontroller_start (struct nxt2002_state* state) -{ - u8 buf; - dprintk("%s\n", __FUNCTION__); - - buf = 0x00; - i2c_writebytes(state,0x22,&buf,1); -} - -static int nxt2002_writetuner (struct nxt2002_state* state, u8* data) -{ - u8 buf,count = 0; - - dprintk("Tuner Bytes: %02X %02X %02X %02X\n",data[0],data[1],data[2],data[3]); - - dprintk("%s\n", __FUNCTION__); - /* stop the micro first */ - nxt2002_microcontroller_stop(state); - - /* set the i2c transfer speed to the tuner */ - buf = 0x03; - i2c_writebytes(state,0x20,&buf,1); - - /* setup to transfer 4 bytes via i2c */ - buf = 0x04; - i2c_writebytes(state,0x34,&buf,1); - - /* write actual tuner bytes */ - i2c_writebytes(state,0x36,data,4); - - /* set tuner i2c address */ - buf = 0xC2; - i2c_writebytes(state,0x35,&buf,1); - - /* write UC Opmode to begin transfer */ - buf = 0x80; - i2c_writebytes(state,0x21,&buf,1); - - while (count < 20) { - i2c_readbytes(state,0x21,&buf,1); - if ((buf & 0x80)== 0x00) - return 0; - msleep(100); - count++; - } - - printk("nxt2002: timeout error writing tuner\n"); - return 0; -} - -static void nxt2002_agc_reset(struct nxt2002_state* state) -{ - u8 buf; - dprintk("%s\n", __FUNCTION__); - - buf = 0x08; - i2c_writebytes(state,0x08,&buf,1); - - buf = 0x00; - i2c_writebytes(state,0x08,&buf,1); - - return; -} - -static int nxt2002_load_firmware (struct dvb_frontend* fe, const struct firmware *fw) -{ - - struct nxt2002_state* state = fe->demodulator_priv; - u8 buf[256],written = 0,chunkpos = 0; - u16 rambase,position,crc = 0; - - dprintk("%s\n", __FUNCTION__); - dprintk("Firmware is %zu bytes\n",fw->size); - - /* Get the RAM base for this nxt2002 */ - i2c_readbytes(state,0x10,buf,1); - - if (buf[0] & 0x10) - rambase = 0x1000; - else - rambase = 0x0000; - - dprintk("rambase on this nxt2002 is %04X\n",rambase); - - /* Hold the micro in reset while loading firmware */ - buf[0] = 0x80; - i2c_writebytes(state,0x2B,buf,1); - - for (position = 0; position < fw->size ; position++) { - if (written == 0) { - crc = 0; - chunkpos = 0x28; - buf[0] = ((rambase + position) >> 8); - buf[1] = (rambase + position) & 0xFF; - buf[2] = 0x81; - /* write starting address */ - i2c_writebytes(state,0x29,buf,3); - } - written++; - chunkpos++; - - if ((written % 4) == 0) - i2c_writebytes(state,chunkpos,&fw->data[position-3],4); - - crc = nxt2002_crc(crc,fw->data[position]); - - if ((written == 255) || (position+1 == fw->size)) { - /* write remaining bytes of firmware */ - i2c_writebytes(state, chunkpos+4-(written %4), - &fw->data[position-(written %4) + 1], - written %4); - buf[0] = crc << 8; - buf[1] = crc & 0xFF; - - /* write crc */ - i2c_writebytes(state,0x2C,buf,2); - - /* do a read to stop things */ - i2c_readbytes(state,0x2A,buf,1); - - /* set transfer mode to complete */ - buf[0] = 0x80; - i2c_writebytes(state,0x2B,buf,1); - - written = 0; - } - } - - printk ("done.\n"); - return 0; -}; - -static int nxt2002_setup_frontend_parameters (struct dvb_frontend* fe, - struct dvb_frontend_parameters *p) -{ - struct nxt2002_state* state = fe->demodulator_priv; - u32 freq = 0; - u16 tunerfreq = 0; - u8 buf[4]; - - freq = 44000 + ( p->frequency / 1000 ); - - dprintk("freq = %d p->frequency = %d\n",freq,p->frequency); - - tunerfreq = freq * 24/4000; - - buf[0] = (tunerfreq >> 8) & 0x7F; - buf[1] = (tunerfreq & 0xFF); - - if (p->frequency <= 214000000) { - buf[2] = 0x84 + (0x06 << 3); - buf[3] = (p->frequency <= 172000000) ? 0x01 : 0x02; - } else if (p->frequency <= 721000000) { - buf[2] = 0x84 + (0x07 << 3); - buf[3] = (p->frequency <= 467000000) ? 0x02 : 0x08; - } else if (p->frequency <= 841000000) { - buf[2] = 0x84 + (0x0E << 3); - buf[3] = 0x08; - } else { - buf[2] = 0x84 + (0x0F << 3); - buf[3] = 0x02; - } - - /* write frequency information */ - nxt2002_writetuner(state,buf); - - /* reset the agc now that tuning has been completed */ - nxt2002_agc_reset(state); - - /* set target power level */ - switch (p->u.vsb.modulation) { - case QAM_64: - case QAM_256: - buf[0] = 0x74; - break; - case VSB_8: - buf[0] = 0x70; - break; - default: - return -EINVAL; - break; - } - i2c_writebytes(state,0x42,buf,1); - - /* configure sdm */ - buf[0] = 0x87; - i2c_writebytes(state,0x57,buf,1); - - /* write sdm1 input */ - buf[0] = 0x10; - buf[1] = 0x00; - nxt2002_writereg_multibyte(state,0x58,buf,2); - - /* write sdmx input */ - switch (p->u.vsb.modulation) { - case QAM_64: - buf[0] = 0x68; - break; - case QAM_256: - buf[0] = 0x64; - break; - case VSB_8: - buf[0] = 0x60; - break; - default: - return -EINVAL; - break; - } - buf[1] = 0x00; - nxt2002_writereg_multibyte(state,0x5C,buf,2); - - /* write adc power lpf fc */ - buf[0] = 0x05; - i2c_writebytes(state,0x43,buf,1); - - /* write adc power lpf fc */ - buf[0] = 0x05; - i2c_writebytes(state,0x43,buf,1); - - /* write accumulator2 input */ - buf[0] = 0x80; - buf[1] = 0x00; - nxt2002_writereg_multibyte(state,0x4B,buf,2); - - /* write kg1 */ - buf[0] = 0x00; - i2c_writebytes(state,0x4D,buf,1); - - /* write sdm12 lpf fc */ - buf[0] = 0x44; - i2c_writebytes(state,0x55,buf,1); - - /* write agc control reg */ - buf[0] = 0x04; - i2c_writebytes(state,0x41,buf,1); - - /* write agc ucgp0 */ - switch (p->u.vsb.modulation) { - case QAM_64: - buf[0] = 0x02; - break; - case QAM_256: - buf[0] = 0x03; - break; - case VSB_8: - buf[0] = 0x00; - break; - default: - return -EINVAL; - break; - } - i2c_writebytes(state,0x30,buf,1); - - /* write agc control reg */ - buf[0] = 0x00; - i2c_writebytes(state,0x41,buf,1); - - /* write accumulator2 input */ - buf[0] = 0x80; - buf[1] = 0x00; - nxt2002_writereg_multibyte(state,0x49,buf,2); - nxt2002_writereg_multibyte(state,0x4B,buf,2); - - /* write agc control reg */ - buf[0] = 0x04; - i2c_writebytes(state,0x41,buf,1); - - nxt2002_microcontroller_start(state); - - /* adjacent channel detection should be done here, but I don't - have any stations with this need so I cannot test it */ - - return 0; -} - -static int nxt2002_read_status(struct dvb_frontend* fe, fe_status_t* status) -{ - struct nxt2002_state* state = fe->demodulator_priv; - u8 lock; - i2c_readbytes(state,0x31,&lock,1); - - *status = 0; - if (lock & 0x20) { - *status |= FE_HAS_SIGNAL; - *status |= FE_HAS_CARRIER; - *status |= FE_HAS_VITERBI; - *status |= FE_HAS_SYNC; - *status |= FE_HAS_LOCK; - } - return 0; -} - -static int nxt2002_read_ber(struct dvb_frontend* fe, u32* ber) -{ - struct nxt2002_state* state = fe->demodulator_priv; - u8 b[3]; - - nxt2002_readreg_multibyte(state,0xE6,b,3); - - *ber = ((b[0] << 8) + b[1]) * 8; - - return 0; -} - -static int nxt2002_read_signal_strength(struct dvb_frontend* fe, u16* strength) -{ - struct nxt2002_state* state = fe->demodulator_priv; - u8 b[2]; - u16 temp = 0; - - /* setup to read cluster variance */ - b[0] = 0x00; - i2c_writebytes(state,0xA1,b,1); - - /* get multreg val */ - nxt2002_readreg_multibyte(state,0xA6,b,2); - - temp = (b[0] << 8) | b[1]; - *strength = ((0x7FFF - temp) & 0x0FFF) * 16; - - return 0; -} - -static int nxt2002_read_snr(struct dvb_frontend* fe, u16* snr) -{ - - struct nxt2002_state* state = fe->demodulator_priv; - u8 b[2]; - u16 temp = 0, temp2; - u32 snrdb = 0; - - /* setup to read cluster variance */ - b[0] = 0x00; - i2c_writebytes(state,0xA1,b,1); - - /* get multreg val from 0xA6 */ - nxt2002_readreg_multibyte(state,0xA6,b,2); - - temp = (b[0] << 8) | b[1]; - temp2 = 0x7FFF - temp; - - /* snr will be in db */ - if (temp2 > 0x7F00) - snrdb = 1000*24 + ( 1000*(30-24) * ( temp2 - 0x7F00 ) / ( 0x7FFF - 0x7F00 ) ); - else if (temp2 > 0x7EC0) - snrdb = 1000*18 + ( 1000*(24-18) * ( temp2 - 0x7EC0 ) / ( 0x7F00 - 0x7EC0 ) ); - else if (temp2 > 0x7C00) - snrdb = 1000*12 + ( 1000*(18-12) * ( temp2 - 0x7C00 ) / ( 0x7EC0 - 0x7C00 ) ); - else - snrdb = 1000*0 + ( 1000*(12-0) * ( temp2 - 0 ) / ( 0x7C00 - 0 ) ); - - /* the value reported back from the frontend will be FFFF=32db 0000=0db */ - - *snr = snrdb * (0xFFFF/32000); - - return 0; -} - -static int nxt2002_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) -{ - struct nxt2002_state* state = fe->demodulator_priv; - u8 b[3]; - - nxt2002_readreg_multibyte(state,0xE6,b,3); - *ucblocks = b[2]; - - return 0; -} - -static int nxt2002_sleep(struct dvb_frontend* fe) -{ - return 0; -} - -static int nxt2002_init(struct dvb_frontend* fe) -{ - struct nxt2002_state* state = fe->demodulator_priv; - const struct firmware *fw; - int ret; - u8 buf[2]; - - if (!state->initialised) { - /* request the firmware, this will block until someone uploads it */ - printk("nxt2002: Waiting for firmware upload (%s)...\n", NXT2002_DEFAULT_FIRMWARE); - ret = state->config->request_firmware(fe, &fw, NXT2002_DEFAULT_FIRMWARE); - printk("nxt2002: Waiting for firmware upload(2)...\n"); - if (ret) { - printk("nxt2002: no firmware upload (timeout or file not found?)\n"); - return ret; - } - - ret = nxt2002_load_firmware(fe, fw); - if (ret) { - printk("nxt2002: writing firmware to device failed\n"); - release_firmware(fw); - return ret; - } - printk("nxt2002: firmware upload complete\n"); - - /* Put the micro into reset */ - nxt2002_microcontroller_stop(state); - - /* ensure transfer is complete */ - buf[0]=0; - i2c_writebytes(state,0x2B,buf,1); - - /* Put the micro into reset for real this time */ - nxt2002_microcontroller_stop(state); - - /* soft reset everything (agc,frontend,eq,fec)*/ - buf[0] = 0x0F; - i2c_writebytes(state,0x08,buf,1); - buf[0] = 0x00; - i2c_writebytes(state,0x08,buf,1); - - /* write agc sdm configure */ - buf[0] = 0xF1; - i2c_writebytes(state,0x57,buf,1); - - /* write mod output format */ - buf[0] = 0x20; - i2c_writebytes(state,0x09,buf,1); - - /* write fec mpeg mode */ - buf[0] = 0x7E; - buf[1] = 0x00; - i2c_writebytes(state,0xE9,buf,2); - - /* write mux selection */ - buf[0] = 0x00; - i2c_writebytes(state,0xCC,buf,1); - - state->initialised = 1; - } - - return 0; -} - -static int nxt2002_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings) -{ - fesettings->min_delay_ms = 500; - fesettings->step_size = 0; - fesettings->max_drift = 0; - return 0; -} - -static void nxt2002_release(struct dvb_frontend* fe) -{ - struct nxt2002_state* state = fe->demodulator_priv; - kfree(state); -} - -static struct dvb_frontend_ops nxt2002_ops; - -struct dvb_frontend* nxt2002_attach(const struct nxt2002_config* config, - struct i2c_adapter* i2c) -{ - struct nxt2002_state* state = NULL; - u8 buf [] = {0,0,0,0,0}; - - /* allocate memory for the internal state */ - state = kmalloc(sizeof(struct nxt2002_state), GFP_KERNEL); - if (state == NULL) goto error; - - /* setup the state */ - state->config = config; - state->i2c = i2c; - memcpy(&state->ops, &nxt2002_ops, sizeof(struct dvb_frontend_ops)); - state->initialised = 0; - - /* Check the first 5 registers to ensure this a revision we can handle */ - - i2c_readbytes(state, 0x00, buf, 5); - if (buf[0] != 0x04) goto error; /* device id */ - if (buf[1] != 0x02) goto error; /* fab id */ - if (buf[2] != 0x11) goto error; /* month */ - if (buf[3] != 0x20) goto error; /* year msb */ - if (buf[4] != 0x00) goto error; /* year lsb */ - - /* create dvb_frontend */ - state->frontend.ops = &state->ops; - state->frontend.demodulator_priv = state; - return &state->frontend; - -error: - kfree(state); - return NULL; -} - -static struct dvb_frontend_ops nxt2002_ops = { - - .info = { - .name = "Nextwave nxt2002 VSB/QAM frontend", - .type = FE_ATSC, - .frequency_min = 54000000, - .frequency_max = 860000000, - /* stepsize is just a guess */ - .frequency_stepsize = 166666, - .caps = 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_8VSB | FE_CAN_QAM_64 | FE_CAN_QAM_256 - }, - - .release = nxt2002_release, - - .init = nxt2002_init, - .sleep = nxt2002_sleep, - - .set_frontend = nxt2002_setup_frontend_parameters, - .get_tune_settings = nxt2002_get_tune_settings, - - .read_status = nxt2002_read_status, - .read_ber = nxt2002_read_ber, - .read_signal_strength = nxt2002_read_signal_strength, - .read_snr = nxt2002_read_snr, - .read_ucblocks = nxt2002_read_ucblocks, - -}; - -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); - -MODULE_DESCRIPTION("NXT2002 ATSC (8VSB & ITU J83 AnnexB FEC QAM64/256) demodulator driver"); -MODULE_AUTHOR("Taylor Jacob"); -MODULE_LICENSE("GPL"); - -EXPORT_SYMBOL(nxt2002_attach); diff --git a/drivers/media/dvb/frontends/nxt2002.h b/drivers/media/dvb/frontends/nxt2002.h deleted file mode 100644 index 462301f..0000000 --- a/drivers/media/dvb/frontends/nxt2002.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - Driver for the Nxt2002 demodulator -*/ - -#ifndef NXT2002_H -#define NXT2002_H - -#include <linux/dvb/frontend.h> -#include <linux/firmware.h> - -struct nxt2002_config -{ - /* the demodulator's i2c address */ - u8 demod_address; - - /* request firmware for device */ - int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name); -}; - -extern struct dvb_frontend* nxt2002_attach(const struct nxt2002_config* config, - struct i2c_adapter* i2c); - -#endif // NXT2002_H diff --git a/drivers/media/dvb/frontends/nxt200x.c b/drivers/media/dvb/frontends/nxt200x.c index 78d2b93..9e353539 100644 --- a/drivers/media/dvb/frontends/nxt200x.c +++ b/drivers/media/dvb/frontends/nxt200x.c @@ -1,9 +1,10 @@ /* * Support for NXT2002 and NXT2004 - VSB/QAM * - * Copyright (C) 2005 Kirk Lapray (kirk.lapray@gmail.com) + * Copyright (C) 2005 Kirk Lapray <kirk.lapray@gmail.com> + * Copyright (C) 2006 Michael Krufky <mkrufky@m1k.net> * based on nxt2002 by Taylor Jacob <rtjacob@earthlink.net> - * and nxt2004 by Jean-Francois Thibert (jeanfrancois@sagetv.com) + * and nxt2004 by Jean-Francois Thibert <jeanfrancois@sagetv.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 @@ -614,7 +615,17 @@ static int nxt200x_setup_frontend_parameters (struct dvb_frontend* fe, /* write sdm1 input */ buf[0] = 0x10; buf[1] = 0x00; - nxt200x_writebytes(state, 0x58, buf, 2); + switch (state->demod_chip) { + case NXT2002: + nxt200x_writereg_multibyte(state, 0x58, buf, 2); + break; + case NXT2004: + nxt200x_writebytes(state, 0x58, buf, 2); + break; + default: + return -EINVAL; + break; + } /* write sdmx input */ switch (p->u.vsb.modulation) { @@ -632,7 +643,17 @@ static int nxt200x_setup_frontend_parameters (struct dvb_frontend* fe, break; } buf[1] = 0x00; - nxt200x_writebytes(state, 0x5C, buf, 2); + switch (state->demod_chip) { + case NXT2002: + nxt200x_writereg_multibyte(state, 0x5C, buf, 2); + break; + case NXT2004: + nxt200x_writebytes(state, 0x5C, buf, 2); + break; + default: + return -EINVAL; + break; + } /* write adc power lpf fc */ buf[0] = 0x05; @@ -648,7 +669,17 @@ static int nxt200x_setup_frontend_parameters (struct dvb_frontend* fe, /* write accumulator2 input */ buf[0] = 0x80; buf[1] = 0x00; - nxt200x_writebytes(state, 0x4B, buf, 2); + switch (state->demod_chip) { + case NXT2002: + nxt200x_writereg_multibyte(state, 0x4B, buf, 2); + break; + case NXT2004: + nxt200x_writebytes(state, 0x4B, buf, 2); + break; + default: + return -EINVAL; + break; + } /* write kg1 */ buf[0] = 0x00; @@ -714,8 +745,19 @@ static int nxt200x_setup_frontend_parameters (struct dvb_frontend* fe, /* write accumulator2 input */ buf[0] = 0x80; buf[1] = 0x00; - nxt200x_writebytes(state, 0x49, buf,2); - nxt200x_writebytes(state, 0x4B, buf,2); + switch (state->demod_chip) { + case NXT2002: + nxt200x_writereg_multibyte(state, 0x49, buf, 2); + nxt200x_writereg_multibyte(state, 0x4B, buf, 2); + break; + case NXT2004: + nxt200x_writebytes(state, 0x49, buf, 2); + nxt200x_writebytes(state, 0x4B, buf, 2); + break; + default: + return -EINVAL; + break; + } /* write agc control reg */ buf[0] = 0x04; @@ -1199,7 +1241,7 @@ module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); MODULE_DESCRIPTION("NXT200X (ATSC 8VSB & ITU-T J.83 AnnexB 64/256 QAM) Demodulator Driver"); -MODULE_AUTHOR("Kirk Lapray, Jean-Francois Thibert, and Taylor Jacob"); +MODULE_AUTHOR("Kirk Lapray, Michael Krufky, Jean-Francois Thibert, and Taylor Jacob"); MODULE_LICENSE("GPL"); EXPORT_SYMBOL(nxt200x_attach); diff --git a/drivers/media/dvb/frontends/tda80xx.c b/drivers/media/dvb/frontends/tda80xx.c deleted file mode 100644 index d1cabb6..0000000 --- a/drivers/media/dvb/frontends/tda80xx.c +++ /dev/null @@ -1,734 +0,0 @@ -/* - * tda80xx.c - * - * Philips TDA8044 / TDA8083 QPSK demodulator driver - * - * Copyright (C) 2001 Felix Domke <tmbinc@elitedvb.net> - * Copyright (C) 2002-2004 Andreas Oberritter <obi@linuxtv.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 <linux/config.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/spinlock.h> -#include <linux/threads.h> -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <asm/irq.h> -#include <asm/div64.h> - -#include "dvb_frontend.h" -#include "tda80xx.h" - -enum { - ID_TDA8044 = 0x04, - ID_TDA8083 = 0x05, -}; - - -struct tda80xx_state { - - struct i2c_adapter* i2c; - - struct dvb_frontend_ops ops; - - /* configuration settings */ - const struct tda80xx_config* config; - - struct dvb_frontend frontend; - - u32 clk; - int afc_loop; - struct work_struct worklet; - fe_code_rate_t code_rate; - fe_spectral_inversion_t spectral_inversion; - fe_status_t status; - u8 id; -}; - -static int debug = 1; -#define dprintk if (debug) printk - -static u8 tda8044_inittab_pre[] = { - 0x02, 0x00, 0x6f, 0xb5, 0x86, 0x22, 0x00, 0xea, - 0x30, 0x42, 0x98, 0x68, 0x70, 0x42, 0x99, 0x58, - 0x95, 0x10, 0xf5, 0xe7, 0x93, 0x0b, 0x15, 0x68, - 0x9a, 0x90, 0x61, 0x80, 0x00, 0xe0, 0x40, 0x00, - 0x0f, 0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00 -}; - -static u8 tda8044_inittab_post[] = { - 0x04, 0x00, 0x6f, 0xb5, 0x86, 0x22, 0x00, 0xea, - 0x30, 0x42, 0x98, 0x68, 0x70, 0x42, 0x99, 0x50, - 0x95, 0x10, 0xf5, 0xe7, 0x93, 0x0b, 0x15, 0x68, - 0x9a, 0x90, 0x61, 0x80, 0x00, 0xe0, 0x40, 0x6c, - 0x0f, 0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00 -}; - -static u8 tda8083_inittab[] = { - 0x04, 0x00, 0x4a, 0x79, 0x04, 0x00, 0xff, 0xea, - 0x48, 0x42, 0x79, 0x60, 0x70, 0x52, 0x9a, 0x10, - 0x0e, 0x10, 0xf2, 0xa7, 0x93, 0x0b, 0x05, 0xc8, - 0x9d, 0x00, 0x42, 0x80, 0x00, 0x60, 0x40, 0x00, - 0x00, 0x75, 0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00 -}; - -static __inline__ u32 tda80xx_div(u32 a, u32 b) -{ - return (a + (b / 2)) / b; -} - -static __inline__ u32 tda80xx_gcd(u32 a, u32 b) -{ - u32 r; - - while ((r = a % b)) { - a = b; - b = r; - } - - return b; -} - -static int tda80xx_read(struct tda80xx_state* state, u8 reg, u8 *buf, u8 len) -{ - int ret; - struct i2c_msg msg[] = { { .addr = state->config->demod_address, .flags = 0, .buf = ®, .len = 1 }, - { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = buf, .len = len } }; - - ret = i2c_transfer(state->i2c, msg, 2); - - if (ret != 2) - dprintk("%s: readreg error (reg %02x, ret == %i)\n", - __FUNCTION__, reg, ret); - - mdelay(10); - - return (ret == 2) ? 0 : -EREMOTEIO; -} - -static int tda80xx_write(struct tda80xx_state* state, u8 reg, const u8 *buf, u8 len) -{ - int ret; - u8 wbuf[len + 1]; - struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = wbuf, .len = len + 1 }; - - wbuf[0] = reg; - memcpy(&wbuf[1], buf, len); - - ret = i2c_transfer(state->i2c, &msg, 1); - - if (ret != 1) - dprintk("%s: i2c xfer error (ret == %i)\n", __FUNCTION__, ret); - - mdelay(10); - - return (ret == 1) ? 0 : -EREMOTEIO; -} - -static __inline__ u8 tda80xx_readreg(struct tda80xx_state* state, u8 reg) -{ - u8 val; - - tda80xx_read(state, reg, &val, 1); - - return val; -} - -static __inline__ int tda80xx_writereg(struct tda80xx_state* state, u8 reg, u8 data) -{ - return tda80xx_write(state, reg, &data, 1); -} - -static int tda80xx_set_parameters(struct tda80xx_state* state, - fe_spectral_inversion_t inversion, - u32 symbol_rate, - fe_code_rate_t fec_inner) -{ - u8 buf[15]; - u64 ratio; - u32 clk; - u32 k; - u32 sr = symbol_rate; - u32 gcd; - u8 scd; - - if (symbol_rate > (state->clk * 3) / 16) - scd = 0; - else if (symbol_rate > (state->clk * 3) / 32) - scd = 1; - else if (symbol_rate > (state->clk * 3) / 64) - scd = 2; - else - scd = 3; - - clk = scd ? (state->clk / (scd * 2)) : state->clk; - - /* - * Viterbi decoder: - * Differential decoding off - * Spectral inversion unknown - * QPSK modulation - */ - if (inversion == INVERSION_ON) - buf[0] = 0x60; - else if (inversion == INVERSION_OFF) - buf[0] = 0x20; - else - buf[0] = 0x00; - - /* - * CLK ratio: - * system clock frequency is up to 64 or 96 MHz - * - * formula: - * r = k * clk / symbol_rate - * - * k: 2^21 for caa 0..3, - * 2^20 for caa 4..5, - * 2^19 for caa 6..7 - */ - if (symbol_rate <= (clk * 3) / 32) - k = (1 << 19); - else if (symbol_rate <= (clk * 3) / 16) - k = (1 << 20); - else - k = (1 << 21); - - gcd = tda80xx_gcd(clk, sr); - clk /= gcd; - sr /= gcd; - - gcd = tda80xx_gcd(k, sr); - k /= gcd; - sr /= gcd; - - ratio = (u64)k * (u64)clk; - do_div(ratio, sr); - - buf[1] = ratio >> 16; - buf[2] = ratio >> 8; - buf[3] = ratio; - - /* nyquist filter roll-off factor 35% */ - buf[4] = 0x20; - - clk = scd ? (state->clk / (scd * 2)) : state->clk; - - /* Anti Alias Filter */ - if (symbol_rate < (clk * 3) / 64) - printk("tda80xx: unsupported symbol rate: %u\n", symbol_rate); - else if (symbol_rate <= clk / 16) - buf[4] |= 0x07; - else if (symbol_rate <= (clk * 3) / 32) - buf[4] |= 0x06; - else if (symbol_rate <= clk / 8) - buf[4] |= 0x05; - else if (symbol_rate <= (clk * 3) / 16) - buf[4] |= 0x04; - else if (symbol_rate <= clk / 4) - buf[4] |= 0x03; - else if (symbol_rate <= (clk * 3) / 8) - buf[4] |= 0x02; - else if (symbol_rate <= clk / 2) - buf[4] |= 0x01; - else - buf[4] |= 0x00; - - /* Sigma Delta converter */ - buf[5] = 0x00; - - /* FEC: Possible puncturing rates */ - if (fec_inner == FEC_NONE) - buf[6] = 0x00; - else if ((fec_inner >= FEC_1_2) && (fec_inner <= FEC_8_9)) - buf[6] = (1 << (8 - fec_inner)); - else if (fec_inner == FEC_AUTO) - buf[6] = 0xff; - else - return -EINVAL; - - /* carrier lock detector threshold value */ - buf[7] = 0x30; - /* AFC1: proportional part settings */ - buf[8] = 0x42; - /* AFC1: integral part settings */ - buf[9] = 0x98; - /* PD: Leaky integrator SCPC mode */ - buf[10] = 0x28; - /* AFC2, AFC1 controls */ - buf[11] = 0x30; - /* PD: proportional part settings */ - buf[12] = 0x42; - /* PD: integral part settings */ - buf[13] = 0x99; - /* AGC */ - buf[14] = 0x50 | scd; - - printk("symbol_rate=%u clk=%u\n", symbol_rate, clk); - - return tda80xx_write(state, 0x01, buf, sizeof(buf)); -} - -static int tda80xx_set_clk(struct tda80xx_state* state) -{ - u8 buf[2]; - - /* CLK proportional part */ - buf[0] = (0x06 << 5) | 0x08; /* CMP[2:0], CSP[4:0] */ - /* CLK integral part */ - buf[1] = (0x04 << 5) | 0x1a; /* CMI[2:0], CSI[4:0] */ - - return tda80xx_write(state, 0x17, buf, sizeof(buf)); -} - -#if 0 -static int tda80xx_set_scpc_freq_offset(struct tda80xx_state* state) -{ - /* a constant value is nonsense here imho */ - return tda80xx_writereg(state, 0x22, 0xf9); -} -#endif - -static int tda80xx_close_loop(struct tda80xx_state* state) -{ - u8 buf[2]; - - /* PD: Loop closed, LD: lock detect enable, SCPC: Sweep mode - AFC1 loop closed */ - buf[0] = 0x68; - /* AFC1: Loop closed, CAR Feedback: 8192 */ - buf[1] = 0x70; - - return tda80xx_write(state, 0x0b, buf, sizeof(buf)); -} - -static irqreturn_t tda80xx_irq(int irq, void *priv, struct pt_regs *pt) -{ - schedule_work(priv); - - return IRQ_HANDLED; -} - -static void tda80xx_read_status_int(struct tda80xx_state* state) -{ - u8 val; - - static const fe_spectral_inversion_t inv_tab[] = { - INVERSION_OFF, INVERSION_ON - }; - - static const fe_code_rate_t fec_tab[] = { - FEC_8_9, FEC_1_2, FEC_2_3, FEC_3_4, - FEC_4_5, FEC_5_6, FEC_6_7, FEC_7_8, - }; - - val = tda80xx_readreg(state, 0x02); - - state->status = 0; - - if (val & 0x01) /* demodulator lock */ - state->status |= FE_HAS_SIGNAL; - if (val & 0x02) /* clock recovery lock */ - state->status |= FE_HAS_CARRIER; - if (val & 0x04) /* viterbi lock */ - state->status |= FE_HAS_VITERBI; - if (val & 0x08) /* deinterleaver lock (packet sync) */ - state->status |= FE_HAS_SYNC; - if (val & 0x10) /* derandomizer lock (frame sync) */ - state->status |= FE_HAS_LOCK; - if (val & 0x20) /* frontend can not lock */ - state->status |= FE_TIMEDOUT; - - if ((state->status & (FE_HAS_CARRIER)) && (state->afc_loop)) { - printk("tda80xx: closing loop\n"); - tda80xx_close_loop(state); - state->afc_loop = 0; - } - - if (state->status & (FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK)) { - val = tda80xx_readreg(state, 0x0e); - state->code_rate = fec_tab[val & 0x07]; - if (state->status & (FE_HAS_SYNC | FE_HAS_LOCK)) - state->spectral_inversion = inv_tab[(val >> 7) & 0x01]; - else - state->spectral_inversion = INVERSION_AUTO; - } - else { - state->code_rate = FEC_AUTO; - } -} - -static void tda80xx_worklet(void *priv) -{ - struct tda80xx_state *state = priv; - - tda80xx_writereg(state, 0x00, 0x04); - enable_irq(state->config->irq); - - tda80xx_read_status_int(state); -} - -static void tda80xx_wait_diseqc_fifo(struct tda80xx_state* state) -{ - size_t i; - - for (i = 0; i < 100; i++) { - if (tda80xx_readreg(state, 0x02) & 0x80) - break; - msleep(10); - } -} - -static int tda8044_init(struct dvb_frontend* fe) -{ - struct tda80xx_state* state = fe->demodulator_priv; - int ret; - - /* - * this function is a mess... - */ - - if ((ret = tda80xx_write(state, 0x00, tda8044_inittab_pre, sizeof(tda8044_inittab_pre)))) - return ret; - - tda80xx_writereg(state, 0x0f, 0x50); -#if 1 - tda80xx_writereg(state, 0x20, 0x8F); /* FIXME */ - tda80xx_writereg(state, 0x20, state->config->volt18setting); /* FIXME */ - //tda80xx_writereg(state, 0x00, 0x04); - tda80xx_writereg(state, 0x00, 0x0C); -#endif - //tda80xx_writereg(state, 0x00, 0x08); /* Reset AFC1 loop filter */ - - tda80xx_write(state, 0x00, tda8044_inittab_post, sizeof(tda8044_inittab_post)); - - if (state->config->pll_init) { - tda80xx_writereg(state, 0x1c, 0x80); - state->config->pll_init(fe); - tda80xx_writereg(state, 0x1c, 0x00); - } - - return 0; -} - -static int tda8083_init(struct dvb_frontend* fe) -{ - struct tda80xx_state* state = fe->demodulator_priv; - - tda80xx_write(state, 0x00, tda8083_inittab, sizeof(tda8083_inittab)); - - if (state->config->pll_init) { - tda80xx_writereg(state, 0x1c, 0x80); - state->config->pll_init(fe); - tda80xx_writereg(state, 0x1c, 0x00); - } - - return 0; -} - -static int tda80xx_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage) -{ - struct tda80xx_state* state = fe->demodulator_priv; - - switch (voltage) { - case SEC_VOLTAGE_13: - return tda80xx_writereg(state, 0x20, state->config->volt13setting); - case SEC_VOLTAGE_18: - return tda80xx_writereg(state, 0x20, state->config->volt18setting); - case SEC_VOLTAGE_OFF: - return tda80xx_writereg(state, 0x20, 0); - default: - return -EINVAL; - } -} - -static int tda80xx_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone) -{ - struct tda80xx_state* state = fe->demodulator_priv; - - switch (tone) { - case SEC_TONE_OFF: - return tda80xx_writereg(state, 0x29, 0x00); - case SEC_TONE_ON: - return tda80xx_writereg(state, 0x29, 0x80); - default: - return -EINVAL; - } -} - -static int tda80xx_send_diseqc_msg(struct dvb_frontend* fe, struct dvb_diseqc_master_cmd *cmd) -{ - struct tda80xx_state* state = fe->demodulator_priv; - - if (cmd->msg_len > 6) - return -EINVAL; - - tda80xx_writereg(state, 0x29, 0x08 | (cmd->msg_len - 3)); - tda80xx_write(state, 0x23, cmd->msg, cmd->msg_len); - tda80xx_writereg(state, 0x29, 0x0c | (cmd->msg_len - 3)); - tda80xx_wait_diseqc_fifo(state); - - return 0; -} - -static int tda80xx_send_diseqc_burst(struct dvb_frontend* fe, fe_sec_mini_cmd_t cmd) -{ - struct tda80xx_state* state = fe->demodulator_priv; - - switch (cmd) { - case SEC_MINI_A: - tda80xx_writereg(state, 0x29, 0x14); - break; - case SEC_MINI_B: - tda80xx_writereg(state, 0x29, 0x1c); - break; - default: - return -EINVAL; - } - - tda80xx_wait_diseqc_fifo(state); - - return 0; -} - -static int tda80xx_sleep(struct dvb_frontend* fe) -{ - struct tda80xx_state* state = fe->demodulator_priv; - - tda80xx_writereg(state, 0x00, 0x02); /* enter standby */ - - return 0; -} - -static int tda80xx_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) -{ - struct tda80xx_state* state = fe->demodulator_priv; - - tda80xx_writereg(state, 0x1c, 0x80); - state->config->pll_set(fe, p); - tda80xx_writereg(state, 0x1c, 0x00); - - tda80xx_set_parameters(state, p->inversion, p->u.qpsk.symbol_rate, p->u.qpsk.fec_inner); - tda80xx_set_clk(state); - //tda80xx_set_scpc_freq_offset(state); - state->afc_loop = 1; - - return 0; -} - -static int tda80xx_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) -{ - struct tda80xx_state* state = fe->demodulator_priv; - - if (!state->config->irq) - tda80xx_read_status_int(state); - - p->inversion = state->spectral_inversion; - p->u.qpsk.fec_inner = state->code_rate; - - return 0; -} - -static int tda80xx_read_status(struct dvb_frontend* fe, fe_status_t* status) -{ - struct tda80xx_state* state = fe->demodulator_priv; - - if (!state->config->irq) - tda80xx_read_status_int(state); - *status = state->status; - - return 0; -} - -static int tda80xx_read_ber(struct dvb_frontend* fe, u32* ber) -{ - struct tda80xx_state* state = fe->demodulator_priv; - int ret; - u8 buf[3]; - - if ((ret = tda80xx_read(state, 0x0b, buf, sizeof(buf)))) - return ret; - - *ber = ((buf[0] & 0x1f) << 16) | (buf[1] << 8) | buf[2]; - - return 0; -} - -static int tda80xx_read_signal_strength(struct dvb_frontend* fe, u16* strength) -{ - struct tda80xx_state* state = fe->demodulator_priv; - - u8 gain = ~tda80xx_readreg(state, 0x01); - *strength = (gain << 8) | gain; - - return 0; -} - -static int tda80xx_read_snr(struct dvb_frontend* fe, u16* snr) -{ - struct tda80xx_state* state = fe->demodulator_priv; - - u8 quality = tda80xx_readreg(state, 0x08); - *snr = (quality << 8) | quality; - - return 0; -} - -static int tda80xx_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) -{ - struct tda80xx_state* state = fe->demodulator_priv; - - *ucblocks = tda80xx_readreg(state, 0x0f); - if (*ucblocks == 0xff) - *ucblocks = 0xffffffff; - - return 0; -} - -static int tda80xx_init(struct dvb_frontend* fe) -{ - struct tda80xx_state* state = fe->demodulator_priv; - - switch(state->id) { - case ID_TDA8044: - return tda8044_init(fe); - - case ID_TDA8083: - return tda8083_init(fe); - } - return 0; -} - -static void tda80xx_release(struct dvb_frontend* fe) -{ - struct tda80xx_state* state = fe->demodulator_priv; - - if (state->config->irq) - free_irq(state->config->irq, &state->worklet); - - kfree(state); -} - -static struct dvb_frontend_ops tda80xx_ops; - -struct dvb_frontend* tda80xx_attach(const struct tda80xx_config* config, - struct i2c_adapter* i2c) -{ - struct tda80xx_state* state = NULL; - int ret; - - /* allocate memory for the internal state */ - state = kmalloc(sizeof(struct tda80xx_state), GFP_KERNEL); - if (state == NULL) goto error; - - /* setup the state */ - state->config = config; - state->i2c = i2c; - memcpy(&state->ops, &tda80xx_ops, sizeof(struct dvb_frontend_ops)); - state->spectral_inversion = INVERSION_AUTO; - state->code_rate = FEC_AUTO; - state->status = 0; - state->afc_loop = 0; - - /* check if the demod is there */ - if (tda80xx_writereg(state, 0x89, 0x00) < 0) goto error; - state->id = tda80xx_readreg(state, 0x00); - - switch (state->id) { - case ID_TDA8044: - state->clk = 96000000; - printk("tda80xx: Detected tda8044\n"); - break; - - case ID_TDA8083: - state->clk = 64000000; - printk("tda80xx: Detected tda8083\n"); - break; - - default: - goto error; - } - - /* setup IRQ */ - if (state->config->irq) { - INIT_WORK(&state->worklet, tda80xx_worklet, state); - if ((ret = request_irq(state->config->irq, tda80xx_irq, SA_ONESHOT, "tda80xx", &state->worklet)) < 0) { - printk(KERN_ERR "tda80xx: request_irq failed (%d)\n", ret); - goto error; - } - } - - /* create dvb_frontend */ - state->frontend.ops = &state->ops; - state->frontend.demodulator_priv = state; - return &state->frontend; - -error: - kfree(state); - return NULL; -} - -static struct dvb_frontend_ops tda80xx_ops = { - - .info = { - .name = "Philips TDA80xx DVB-S", - .type = FE_QPSK, - .frequency_min = 500000, - .frequency_max = 2700000, - .frequency_stepsize = 125, - .symbol_rate_min = 4500000, - .symbol_rate_max = 45000000, - .caps = FE_CAN_INVERSION_AUTO | - FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | - FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 | - FE_CAN_FEC_7_8 | FE_CAN_FEC_8_9 | FE_CAN_FEC_AUTO | - FE_CAN_QPSK | - FE_CAN_MUTE_TS - }, - - .release = tda80xx_release, - - .init = tda80xx_init, - .sleep = tda80xx_sleep, - - .set_frontend = tda80xx_set_frontend, - .get_frontend = tda80xx_get_frontend, - - .read_status = tda80xx_read_status, - .read_ber = tda80xx_read_ber, - .read_signal_strength = tda80xx_read_signal_strength, - .read_snr = tda80xx_read_snr, - .read_ucblocks = tda80xx_read_ucblocks, - - .diseqc_send_master_cmd = tda80xx_send_diseqc_msg, - .diseqc_send_burst = tda80xx_send_diseqc_burst, - .set_tone = tda80xx_set_tone, - .set_voltage = tda80xx_set_voltage, -}; - -module_param(debug, int, 0644); - -MODULE_DESCRIPTION("Philips TDA8044 / TDA8083 DVB-S Demodulator driver"); -MODULE_AUTHOR("Felix Domke, Andreas Oberritter"); -MODULE_LICENSE("GPL"); - -EXPORT_SYMBOL(tda80xx_attach); diff --git a/drivers/media/dvb/frontends/tda80xx.h b/drivers/media/dvb/frontends/tda80xx.h deleted file mode 100644 index cd639a0..0000000 --- a/drivers/media/dvb/frontends/tda80xx.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * tda80xx.c - * - * Philips TDA8044 / TDA8083 QPSK demodulator driver - * - * Copyright (C) 2001 Felix Domke <tmbinc@elitedvb.net> - * Copyright (C) 2002-2004 Andreas Oberritter <obi@linuxtv.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 TDA80XX_H -#define TDA80XX_H - -#include <linux/dvb/frontend.h> - -struct tda80xx_config -{ - /* the demodulator's i2c address */ - u8 demod_address; - - /* IRQ to use (0=>no IRQ used) */ - u32 irq; - - /* Register setting to use for 13v */ - u8 volt13setting; - - /* Register setting to use for 18v */ - u8 volt18setting; - - /* PLL maintenance */ - int (*pll_init)(struct dvb_frontend* fe); - int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params); -}; - -extern struct dvb_frontend* tda80xx_attach(const struct tda80xx_config* config, - struct i2c_adapter* i2c); - -#endif // TDA80XX_H |