diff options
Diffstat (limited to 'linux/drivers')
-rw-r--r-- | linux/drivers/media/dvb/frontends/Kconfig | 7 | ||||
-rw-r--r-- | linux/drivers/media/dvb/frontends/Makefile | 1 | ||||
-rw-r--r-- | linux/drivers/media/dvb/frontends/tua6100.c | 205 | ||||
-rw-r--r-- | linux/drivers/media/dvb/frontends/tua6100.h | 47 | ||||
-rw-r--r-- | linux/drivers/media/dvb/ttpci/Kconfig | 1 | ||||
-rw-r--r-- | linux/drivers/media/dvb/ttpci/budget-av.c | 141 |
6 files changed, 263 insertions, 139 deletions
diff --git a/linux/drivers/media/dvb/frontends/Kconfig b/linux/drivers/media/dvb/frontends/Kconfig index 24ebf5124..ee14a7641 100644 --- a/linux/drivers/media/dvb/frontends/Kconfig +++ b/linux/drivers/media/dvb/frontends/Kconfig @@ -304,4 +304,11 @@ config DVB_ISL6421 help An SEC control chip. +config DVB_TUA6100 + tristate "TUA6100 PLL" + depends on DVB_CORE && I2C + default m if DVB_FE_CUSTOMISE + help + A DVBS PLL chip. + endmenu diff --git a/linux/drivers/media/dvb/frontends/Makefile b/linux/drivers/media/dvb/frontends/Makefile index d10c8a83f..244e87417 100644 --- a/linux/drivers/media/dvb/frontends/Makefile +++ b/linux/drivers/media/dvb/frontends/Makefile @@ -37,3 +37,4 @@ obj-$(CONFIG_DVB_ISL6421) += isl6421.o obj-$(CONFIG_DVB_TDA10086) += tda10086.o obj-$(CONFIG_DVB_TDA826X) += tda826x.o obj-$(CONFIG_DVB_TUNER_MT2060) += mt2060.o +obj-$(CONFIG_DVB_TUA6100) += tua6100.o diff --git a/linux/drivers/media/dvb/frontends/tua6100.c b/linux/drivers/media/dvb/frontends/tua6100.c new file mode 100644 index 000000000..88554393a --- /dev/null +++ b/linux/drivers/media/dvb/frontends/tua6100.c @@ -0,0 +1,205 @@ +/** + * Driver for Infineon tua6100 pll. + * + * (c) 2006 Andrew de Quincey + * + * Based on code found in budget-av.c, which has the following: + * Compiled from various sources by Michael Hunold <michael@mihu.de> + * + * CI interface support (c) 2004 Olivier Gournet <ogournet@anevia.com> & + * Andrew de Quincey <adq_dvb@lidskialf.net> + * + * Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de> + * + * Copyright (C) 1999-2002 Ralph Metzler + * & Marcus Metzler for convergence integrated media GmbH + * 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/module.h> +#include <linux/dvb/frontend.h> +#include <asm/types.h> + +#include "tua6100.h" + +struct tua6100_priv { + /* i2c details */ + int i2c_address; + struct i2c_adapter *i2c; + u32 frequency; +}; + +static int tua6100_release(struct dvb_frontend *fe) +{ + if (fe->tuner_priv) + kfree(fe->tuner_priv); + fe->tuner_priv = NULL; + return 0; +} + +static int tua6100_sleep(struct dvb_frontend *fe) +{ + struct tua6100_priv *priv = fe->tuner_priv; + int ret; + u8 reg0[] = { 0x00, 0x00 }; + struct i2c_msg msg = { .addr = priv->i2c_address, .flags = 0, .buf = reg0, .len = 2 }; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + if ((ret = i2c_transfer (priv->i2c, &msg, 1)) != 1) { + printk("%s: i2c error\n", __FUNCTION__); + } + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + + return (ret == 1) ? 0 : ret; +} + +static int tua6100_set_params(struct dvb_frontend *fe, + struct dvb_frontend_parameters *params) +{ + struct tua6100_priv *priv = fe->tuner_priv; + u32 div; + u32 prediv; + u8 reg0[] = { 0x00, 0x00 }; + u8 reg1[] = { 0x01, 0x00, 0x00, 0x00 }; + u8 reg2[] = { 0x02, 0x00, 0x00 }; + struct i2c_msg msg0 = { .addr = priv->i2c_address, .flags = 0, .buf = reg0, .len = 2 }; + struct i2c_msg msg1 = { .addr = priv->i2c_address, .flags = 0, .buf = reg1, .len = 4 }; + struct i2c_msg msg2 = { .addr = priv->i2c_address, .flags = 0, .buf = reg2, .len = 3 }; + +#define _R 4 +#define _P 32 +#define _ri 4000000 + + // setup register 0 + if (params->frequency < 2000000) { + reg0[1] = 0x03; + } else { + reg0[1] = 0x07; + } + + // setup register 1 + if (params->frequency < 1630000) { + reg1[1] = 0x2c; + } else { + reg1[1] = 0x0c; + } + if (_P == 64) + reg1[1] |= 0x40; + if (params->frequency >= 1525000) + reg1[1] |= 0x80; + + // register 2 + reg2[1] = (_R >> 8) & 0x03; + reg2[2] = _R; + if (params->frequency < 1455000) { + reg2[1] |= 0x1c; + } else if (params->frequency < 1630000) { + reg2[1] |= 0x0c; + } else { + reg2[1] |= 0x1c; + } + + // The N divisor ratio (note: params->frequency is in kHz, but we need it in Hz) + prediv = (params->frequency * _R) / (_ri / 1000); + div = prediv / _P; + reg1[1] |= (div >> 9) & 0x03; + reg1[2] = div >> 1; + reg1[3] = (div << 7); + priv->frequency = ((div * _P) * (_ri / 1000)) / _R; + + // Finally, calculate and store the value for A + reg1[3] |= (prediv - (div*_P)) & 0x7f; + +#undef _R +#undef _P +#undef _ri + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + if (i2c_transfer(priv->i2c, &msg0, 1) != 1) + return -EIO; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + if (i2c_transfer(priv->i2c, &msg2, 1) != 1) + return -EIO; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + if (i2c_transfer(priv->i2c, &msg1, 1) != 1) + return -EIO; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + + return 0; +} + +static int tua6100_get_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + struct tua6100_priv *priv = fe->tuner_priv; + *frequency = priv->frequency; + return 0; +} + +static struct dvb_tuner_ops tua6100_tuner_ops = { + .info = { + .name = "Infineon TUA6100", + .frequency_min = 950000, + .frequency_max = 2150000, + .frequency_step = 1000, + }, + .release = tua6100_release, + .sleep = tua6100_sleep, + .set_params = tua6100_set_params, + .get_frequency = tua6100_get_frequency, +}; + +struct dvb_frontend *tua6100_attach(struct dvb_frontend *fe, int addr, struct i2c_adapter *i2c) +{ + struct tua6100_priv *priv = NULL; + u8 b1 [] = { 0x80 }; + u8 b2 [] = { 0x00 }; + struct i2c_msg msg [] = { { .addr = addr, .flags = 0, .buf = b1, .len = 1 }, + { .addr = addr, .flags = I2C_M_RD, .buf = b2, .len = 1 } }; + int ret; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + ret = i2c_transfer (i2c, msg, 2); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + + if (ret != 2) + return NULL; + + priv = kzalloc(sizeof(struct tua6100_priv), GFP_KERNEL); + if (priv == NULL) + return NULL; + + priv->i2c_address = addr; + priv->i2c = i2c; + + memcpy(&fe->ops.tuner_ops, &tua6100_tuner_ops, sizeof(struct dvb_tuner_ops)); + fe->tuner_priv = priv; + return fe; +} +EXPORT_SYMBOL(tua6100_attach); + +MODULE_DESCRIPTION("DVB tua6100 driver"); +MODULE_AUTHOR("Andrew de Quincey"); +MODULE_LICENSE("GPL"); diff --git a/linux/drivers/media/dvb/frontends/tua6100.h b/linux/drivers/media/dvb/frontends/tua6100.h new file mode 100644 index 000000000..2e5d8fb8d --- /dev/null +++ b/linux/drivers/media/dvb/frontends/tua6100.h @@ -0,0 +1,47 @@ +/** + * Driver for Infineon tua6100 PLL. + * + * (c) 2006 Andrew de Quincey + * + * Based on code found in budget-av.c, which has the following: + * Compiled from various sources by Michael Hunold <michael@mihu.de> + * + * CI interface support (c) 2004 Olivier Gournet <ogournet@anevia.com> & + * Andrew de Quincey <adq_dvb@lidskialf.net> + * + * Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de> + * + * Copyright (C) 1999-2002 Ralph Metzler + * & Marcus Metzler for convergence integrated media GmbH + * 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 __DVB_TUA6100_H__ +#define __DVB_TUA6100_H__ + +#include <linux/i2c.h> +#include "dvb_frontend.h" + +/** + * Attach a tua6100 pll to the supplied frontend structure. + * + * @param fe Frontend to attach to. + * @param addr i2c address of the pll. + * @param i2c i2c adapter to use. + * @return FE pointer on success, NULL on failure. + */ +extern struct dvb_frontend *tua6100_attach(struct dvb_frontend *fe, int addr, struct i2c_adapter *i2c); + +#endif diff --git a/linux/drivers/media/dvb/ttpci/Kconfig b/linux/drivers/media/dvb/ttpci/Kconfig index 9ce932e97..3f4156f9b 100644 --- a/linux/drivers/media/dvb/ttpci/Kconfig +++ b/linux/drivers/media/dvb/ttpci/Kconfig @@ -113,6 +113,7 @@ config DVB_BUDGET_AV select DVB_STV0299 if !DVB_FE_CUSTOMISE select DVB_TDA1004X if !DVB_FE_CUSTOMISE select DVB_TDA10021 if !DVB_FE_CUSTOMISE + select DVB_TUA6100 if !DVB_FE_CUSTOMISE select FW_LOADER help Support for simple SAA7146 based DVB cards diff --git a/linux/drivers/media/dvb/ttpci/budget-av.c b/linux/drivers/media/dvb/ttpci/budget-av.c index 16ff8ae80..2235ff8b8 100644 --- a/linux/drivers/media/dvb/ttpci/budget-av.c +++ b/linux/drivers/media/dvb/ttpci/budget-av.c @@ -37,6 +37,7 @@ #include "stv0299.h" #include "tda10021.h" #include "tda1004x.h" +#include "tua6100.h" #include "dvb-pll.h" #include <media/saa7146_vv.h> #include <linux/module.h> @@ -548,144 +549,6 @@ static int philips_su1278_ty_ci_tuner_set_params(struct dvb_frontend *fe, return 0; } -#define MIN2(a,b) ((a) < (b) ? (a) : (b)) -#define MIN3(a,b,c) MIN2(MIN2(a,b),c) - -static int philips_su1278sh2_tua6100_tuner_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) -{ - u8 reg0 [2] = { 0x00, 0x00 }; - u8 reg1 [4] = { 0x01, 0x00, 0x00, 0x00 }; - u8 reg2 [3] = { 0x02, 0x00, 0x00 }; - int _fband; - int first_ZF; - int R, A, N, P, M; - struct i2c_msg msg = {.addr = 0x60,.flags = 0,.buf = NULL,.len = 0 }; - int freq = params->frequency; - struct budget *budget = (struct budget *) fe->dvb->priv; - - first_ZF = (freq) / 1000; - - if (abs(MIN2(abs(first_ZF-1190),abs(first_ZF-1790))) < - abs(MIN3(abs(first_ZF-1202),abs(first_ZF-1542),abs(first_ZF-1890)))) - _fband = 2; - else - _fband = 3; - - if (_fband == 2) { - if (((first_ZF >= 950) && (first_ZF < 1350)) || - ((first_ZF >= 1430) && (first_ZF < 1950))) - reg0[1] = 0x07; - else if (((first_ZF >= 1350) && (first_ZF < 1430)) || - ((first_ZF >= 1950) && (first_ZF < 2150))) - reg0[1] = 0x0B; - } - - if(_fband == 3) { - if (((first_ZF >= 950) && (first_ZF < 1350)) || - ((first_ZF >= 1455) && (first_ZF < 1950))) - reg0[1] = 0x07; - else if (((first_ZF >= 1350) && (first_ZF < 1420)) || - ((first_ZF >= 1950) && (first_ZF < 2150))) - reg0[1] = 0x0B; - else if ((first_ZF >= 1420) && (first_ZF < 1455)) - reg0[1] = 0x0F; - } - - if (first_ZF > 1525) - reg1[1] |= 0x80; - else - reg1[1] &= 0x7F; - - if (_fband == 2) { - if (first_ZF > 1430) { /* 1430MHZ */ - reg1[1] &= 0xCF; /* N2 */ - reg2[1] &= 0xCF; /* R2 */ - reg2[1] |= 0x10; - } else { - reg1[1] &= 0xCF; /* N2 */ - reg1[1] |= 0x20; - reg2[1] &= 0xCF; /* R2 */ - reg2[1] |= 0x10; - } - } - - if (_fband == 3) { - if ((first_ZF >= 1455) && - (first_ZF < 1630)) { - reg1[1] &= 0xCF; /* N2 */ - reg1[1] |= 0x20; - reg2[1] &= 0xCF; /* R2 */ - } else { - if (first_ZF < 1455) { - reg1[1] &= 0xCF; /* N2 */ - reg1[1] |= 0x20; - reg2[1] &= 0xCF; /* R2 */ - reg2[1] |= 0x10; - } else { - if (first_ZF >= 1630) { - reg1[1] &= 0xCF; /* N2 */ - reg2[1] &= 0xCF; /* R2 */ - reg2[1] |= 0x10; - } - } - } - } - - /* set ports, enable P0 for symbol rates > 4Ms/s */ - if (params->u.qpsk.symbol_rate >= 4000000) - reg1[1] |= 0x0c; - else - reg1[1] |= 0x04; - - reg2[1] |= 0x0c; - - R = 64; - A = 64; - P = 64; //32 - - M = (freq * R) / 4; /* in Mhz */ - N = (M - A * 1000) / (P * 1000); - - reg1[1] |= (N >> 9) & 0x03; - reg1[2] = (N >> 1) & 0xff; - reg1[3] = (N << 7) & 0x80; - - reg2[1] |= (R >> 8) & 0x03; - reg2[2] = R & 0xFF; /* R */ - - reg1[3] |= A & 0x7f; /* A */ - - if (P == 64) - reg1[1] |= 0x40; /* Prescaler 64/65 */ - - reg0[1] |= 0x03; - - /* already enabled - do not reenable i2c repeater or TX fails */ - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 1); - msg.buf = reg0; - msg.len = sizeof(reg0); - if (i2c_transfer(&budget->i2c_adap, &msg, 1) != 1) - return -EIO; - - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 1); - msg.buf = reg1; - msg.len = sizeof(reg1); - if (i2c_transfer(&budget->i2c_adap, &msg, 1) != 1) - return -EIO; - - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 1); - msg.buf = reg2; - msg.len = sizeof(reg2); - if (i2c_transfer(&budget->i2c_adap, &msg, 1) != 1) - return -EIO; - - return 0; -} - static u8 typhoon_cinergy1200s_inittab[] = { 0x01, 0x15, 0x02, 0x30, @@ -1102,7 +965,7 @@ static void frontend_init(struct budget_av *budget_av) fe = dvb_attach(stv0299_attach, &cinergy_1200s_1894_0010_config, &budget_av->budget.i2c_adap); if (fe) { - fe->ops.tuner_ops.set_params = philips_su1278sh2_tua6100_tuner_set_params; + dvb_attach(tua6100_attach, fe, 0x60, &budget_av->budget.i2c_adap); } } else { fe = dvb_attach(stv0299_attach, &typhoon_config, |