diff options
Diffstat (limited to 'drivers/media/dvb/frontends')
| -rw-r--r-- | drivers/media/dvb/frontends/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/Makefile | 1 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/dvb-pll.c | 15 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/dvb-pll.h | 2 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/zl10353.c | 311 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/zl10353.h | 43 | ||||
| -rw-r--r-- | drivers/media/dvb/frontends/zl10353_priv.h | 42 |
7 files changed, 420 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index c676b1e23ab0d..a1a894d81040e 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -116,6 +116,12 @@ config DVB_MT352 help A DVB-T tuner module. Say Y when you want to support this frontend. +config DVB_ZL10353 + tristate "Zarlink ZL10353 based" + depends on DVB_CORE + help + A DVB-T tuner module. Say Y when you want to support this frontend. + config DVB_DIB3000MB tristate "DiBcom 3000M-B" depends on DVB_CORE diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 1af769cd90c02..d09b6071fbaf2 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -20,6 +20,7 @@ obj-$(CONFIG_DVB_TDA1004X) += tda1004x.o obj-$(CONFIG_DVB_SP887X) += sp887x.o obj-$(CONFIG_DVB_NXT6000) += nxt6000.o obj-$(CONFIG_DVB_MT352) += mt352.o +obj-$(CONFIG_DVB_ZL10353) += zl10353.o obj-$(CONFIG_DVB_CX22702) += cx22702.o obj-$(CONFIG_DVB_TDA10021) += tda10021.o obj-$(CONFIG_DVB_STV0297) += stv0297.o diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c index 4f682534df427..8a4c904d3a27d 100644 --- a/drivers/media/dvb/frontends/dvb-pll.c +++ b/drivers/media/dvb/frontends/dvb-pll.c @@ -404,6 +404,21 @@ struct dvb_pll_desc dvb_pll_philips_td1316 = { }; EXPORT_SYMBOL(dvb_pll_philips_td1316); +/* FE6600 used on DViCO Hybrid */ +struct dvb_pll_desc dvb_pll_unknown_fe6600 = { + .name = "FE6600", + .min = 44250000, + .max = 858000000, + .count = 4, + .entries = { + { 250000000, 36213333, 166667, 0xb4, 0x12 }, + { 455000000, 36213333, 166667, 0xfe, 0x11 }, + { 775500000, 36213333, 166667, 0xbc, 0x18 }, + { 999999999, 36213333, 166667, 0xf4, 0x18 }, + } +}; +EXPORT_SYMBOL(dvb_pll_unknown_fe6600); + /* ----------------------------------------------------------- */ /* code */ diff --git a/drivers/media/dvb/frontends/dvb-pll.h b/drivers/media/dvb/frontends/dvb-pll.h index 56c3cd76a7fa4..8a7f0b941c380 100644 --- a/drivers/media/dvb/frontends/dvb-pll.h +++ b/drivers/media/dvb/frontends/dvb-pll.h @@ -42,6 +42,8 @@ extern struct dvb_pll_desc dvb_pll_samsung_tbmv; extern struct dvb_pll_desc dvb_pll_philips_sd1878_tda8261; extern struct dvb_pll_desc dvb_pll_philips_td1316; +extern struct dvb_pll_desc dvb_pll_unknown_fe6600; + int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf, u32 freq, int bandwidth); diff --git a/drivers/media/dvb/frontends/zl10353.c b/drivers/media/dvb/frontends/zl10353.c new file mode 100644 index 0000000000000..23846c4452adb --- /dev/null +++ b/drivers/media/dvb/frontends/zl10353.c @@ -0,0 +1,311 @@ +/* + * Driver for Zarlink DVB-T ZL10353 demodulator + * + * Copyright (C) 2006 Christopher Pascoe <c.pascoe@itee.uq.edu.au> + * + * 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/kernel.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/string.h> +#include <linux/slab.h> + +#include "dvb_frontend.h" +#include "zl10353_priv.h" +#include "zl10353.h" + +struct zl10353_state { + struct i2c_adapter *i2c; + struct dvb_frontend frontend; + struct dvb_frontend_ops ops; + + struct zl10353_config config; +}; + +static int debug_regs = 0; + +static int zl10353_single_write(struct dvb_frontend *fe, u8 reg, u8 val) +{ + struct zl10353_state *state = fe->demodulator_priv; + u8 buf[2] = { reg, val }; + struct i2c_msg msg = { .addr = state->config.demod_address, .flags = 0, + .buf = buf, .len = 2 }; + int err = i2c_transfer(state->i2c, &msg, 1); + if (err != 1) { + printk("zl10353: write to reg %x failed (err = %d)!\n", reg, err); + return err; + } + return 0; +} + +int zl10353_write(struct dvb_frontend *fe, u8 *ibuf, int ilen) +{ + int err, i; + for (i = 0; i < ilen - 1; i++) + if ((err = zl10353_single_write(fe, ibuf[0] + i, ibuf[i + 1]))) + return err; + + return 0; +} + +static int zl10353_read_register(struct zl10353_state *state, u8 reg) +{ + int ret; + u8 b0[1] = { reg }; + u8 b1[1] = { 0 }; + struct i2c_msg msg[2] = { { .addr = state->config.demod_address, + .flags = 0, + .buf = b0, .len = 1 }, + { .addr = state->config.demod_address, + .flags = I2C_M_RD, + .buf = b1, .len = 1 } }; + + ret = i2c_transfer(state->i2c, msg, 2); + + if (ret != 2) { + printk("%s: readreg error (reg=%d, ret==%i)\n", + __FUNCTION__, reg, ret); + return ret; + } + + return b1[0]; +} + +void zl10353_dump_regs(struct dvb_frontend *fe) +{ + struct zl10353_state *state = fe->demodulator_priv; + char buf[52], buf2[4]; + int ret; + u8 reg; + + /* Dump all registers. */ + for (reg = 0; ; reg++) { + if (reg % 16 == 0) { + if (reg) + printk(KERN_DEBUG "%s\n", buf); + sprintf(buf, "%02x: ", reg); + } + ret = zl10353_read_register(state, reg); + if (ret >= 0) + sprintf(buf2, "%02x ", (u8)ret); + else + strcpy(buf2, "-- "); + strcat(buf, buf2); + if (reg == 0xff) + break; + } + printk(KERN_DEBUG "%s\n", buf); +} + +static int zl10353_sleep(struct dvb_frontend *fe) +{ + static u8 zl10353_softdown[] = { 0x50, 0x0C, 0x44 }; + + zl10353_write(fe, zl10353_softdown, sizeof(zl10353_softdown)); + return 0; +} + +static int zl10353_set_parameters(struct dvb_frontend *fe, + struct dvb_frontend_parameters *param) +{ + struct zl10353_state *state = fe->demodulator_priv; + u8 pllbuf[6] = { 0x67 }; + + /* These settings set "auto-everything" and start the FSM. */ + zl10353_single_write(fe, 0x55, 0x80); + udelay(200); + zl10353_single_write(fe, 0xEA, 0x01); + udelay(200); + zl10353_single_write(fe, 0xEA, 0x00); + + zl10353_single_write(fe, 0x56, 0x28); + zl10353_single_write(fe, 0x89, 0x20); + zl10353_single_write(fe, 0x5E, 0x00); + zl10353_single_write(fe, 0x65, 0x5A); + zl10353_single_write(fe, 0x66, 0xE9); + zl10353_single_write(fe, 0x62, 0x0A); + + state->config.pll_set(fe, param, pllbuf + 1); + zl10353_write(fe, pllbuf, sizeof(pllbuf)); + + zl10353_single_write(fe, 0x70, 0x01); + udelay(250); + zl10353_single_write(fe, 0xE4, 0x00); + zl10353_single_write(fe, 0xE5, 0x2A); + zl10353_single_write(fe, 0xE9, 0x02); + zl10353_single_write(fe, 0xE7, 0x40); + zl10353_single_write(fe, 0xE8, 0x10); + + return 0; +} + +static int zl10353_read_status(struct dvb_frontend *fe, fe_status_t *status) +{ + struct zl10353_state *state = fe->demodulator_priv; + int s6, s7, s8; + + if ((s6 = zl10353_read_register(state, STATUS_6)) < 0) + return -EREMOTEIO; + if ((s7 = zl10353_read_register(state, STATUS_7)) < 0) + return -EREMOTEIO; + if ((s8 = zl10353_read_register(state, STATUS_8)) < 0) + return -EREMOTEIO; + + *status = 0; + if (s6 & (1 << 2)) + *status |= FE_HAS_CARRIER; + if (s6 & (1 << 1)) + *status |= FE_HAS_VITERBI; + if (s6 & (1 << 5)) + *status |= FE_HAS_LOCK; + if (s7 & (1 << 4)) + *status |= FE_HAS_SYNC; + if (s8 & (1 << 6)) + *status |= FE_HAS_SIGNAL; + + if ((*status & (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) != + (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) + *status &= ~FE_HAS_LOCK; + + return 0; +} + +static int zl10353_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + struct zl10353_state *state = fe->demodulator_priv; + u8 _snr; + + if (debug_regs) + zl10353_dump_regs(fe); + + _snr = zl10353_read_register(state, SNR); + *snr = (_snr << 8) | _snr; + + return 0; +} + +static int zl10353_get_tune_settings(struct dvb_frontend *fe, + struct dvb_frontend_tune_settings + *fe_tune_settings) +{ + fe_tune_settings->min_delay_ms = 1000; + fe_tune_settings->step_size = 0; + fe_tune_settings->max_drift = 0; + + return 0; +} + +static int zl10353_init(struct dvb_frontend *fe) +{ + struct zl10353_state *state = fe->demodulator_priv; + u8 zl10353_reset_attach[6] = { 0x50, 0x03, 0x64, 0x46, 0x15, 0x0F }; + int rc = 0; + + if (debug_regs) + zl10353_dump_regs(fe); + + /* Do a "hard" reset if not already done */ + if (zl10353_read_register(state, 0x50) != 0x03) { + rc = zl10353_write(fe, zl10353_reset_attach, + sizeof(zl10353_reset_attach)); + if (debug_regs) + zl10353_dump_regs(fe); + } + + return 0; +} + +static void zl10353_release(struct dvb_frontend *fe) +{ + struct zl10353_state *state = fe->demodulator_priv; + + kfree(state); +} + +static struct dvb_frontend_ops zl10353_ops; + +struct dvb_frontend *zl10353_attach(const struct zl10353_config *config, + struct i2c_adapter *i2c) +{ + struct zl10353_state *state = NULL; + + /* allocate memory for the internal state */ + state = kzalloc(sizeof(struct zl10353_state), GFP_KERNEL); + if (state == NULL) + goto error; + + /* setup the state */ + state->i2c = i2c; + memcpy(&state->config, config, sizeof(struct zl10353_config)); + memcpy(&state->ops, &zl10353_ops, sizeof(struct dvb_frontend_ops)); + + /* check if the demod is there */ + if (zl10353_read_register(state, CHIP_ID) != ID_ZL10353) + 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 zl10353_ops = { + + .info = { + .name = "Zarlink ZL10353 DVB-T", + .type = FE_OFDM, + .frequency_min = 174000000, + .frequency_max = 862000000, + .frequency_stepsize = 166667, + .frequency_tolerance = 0, + .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_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_HIERARCHY_AUTO | FE_CAN_RECOVER | + FE_CAN_MUTE_TS + }, + + .release = zl10353_release, + + .init = zl10353_init, + .sleep = zl10353_sleep, + + .set_frontend = zl10353_set_parameters, + .get_tune_settings = zl10353_get_tune_settings, + + .read_status = zl10353_read_status, + .read_snr = zl10353_read_snr, +}; + +module_param(debug_regs, int, 0644); +MODULE_PARM_DESC(debug_regs, "Turn on/off frontend register dumps (default:off)."); + +MODULE_DESCRIPTION("Zarlink ZL10353 DVB-T demodulator driver"); +MODULE_AUTHOR("Chris Pascoe"); +MODULE_LICENSE("GPL"); + +EXPORT_SYMBOL(zl10353_attach); +EXPORT_SYMBOL(zl10353_write); diff --git a/drivers/media/dvb/frontends/zl10353.h b/drivers/media/dvb/frontends/zl10353.h new file mode 100644 index 0000000000000..5cc4ae718d8c2 --- /dev/null +++ b/drivers/media/dvb/frontends/zl10353.h @@ -0,0 +1,43 @@ +/* + * Driver for Zarlink DVB-T ZL10353 demodulator + * + * Copyright (C) 2006 Christopher Pascoe <c.pascoe@itee.uq.edu.au> + * + * 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 ZL10353_H +#define ZL10353_H + +#include <linux/dvb/frontend.h> + +struct zl10353_config +{ + /* demodulator's I2C address */ + u8 demod_address; + + /* function which configures the PLL buffer (for secondary I2C + * connected tuner) or tunes the PLL (for direct connected tuner) */ + int (*pll_set)(struct dvb_frontend *fe, + struct dvb_frontend_parameters *params, u8 *pllbuf); +}; + +extern struct dvb_frontend* zl10353_attach(const struct zl10353_config *config, + struct i2c_adapter *i2c); + +extern int zl10353_write(struct dvb_frontend *fe, u8 *ibuf, int ilen); + +#endif /* ZL10353_H */ diff --git a/drivers/media/dvb/frontends/zl10353_priv.h b/drivers/media/dvb/frontends/zl10353_priv.h new file mode 100644 index 0000000000000..b72224bd7ddeb --- /dev/null +++ b/drivers/media/dvb/frontends/zl10353_priv.h @@ -0,0 +1,42 @@ +/* + * Driver for Zarlink DVB-T ZL10353 demodulator + * + * Copyright (C) 2006 Christopher Pascoe <c.pascoe@itee.uq.edu.au> + * + * 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 _ZL10353_PRIV_ +#define _ZL10353_PRIV_ + +#define ID_ZL10353 0x14 + +enum zl10353_reg_addr { + INTERRUPT_0 = 0x00, + INTERRUPT_1 = 0x01, + INTERRUPT_2 = 0x02, + INTERRUPT_3 = 0x03, + INTERRUPT_4 = 0x04, + INTERRUPT_5 = 0x05, + STATUS_6 = 0x06, + STATUS_7 = 0x07, + STATUS_8 = 0x08, + STATUS_9 = 0x09, + SNR = 0x10, + CHIP_ID = 0x7F, +}; + +#endif /* _ZL10353_PRIV_ */ |