From 4b1431ca1c98e26569c9b6cd6d06265cef9495ec Mon Sep 17 00:00:00 2001 From: Hartmut Hackmann Date: Tue, 22 Apr 2008 14:42:09 -0300 Subject: V4L/DVB (7224): Initial DVB-S support for MD8800 /CTX948 Support is not complete yet and untested. Signed-off-by: Hartmut Hackmann Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/isl6405.c | 164 ++++++++++++++++++++++++++++++ drivers/media/dvb/frontends/isl6405.h | 74 ++++++++++++++ drivers/media/video/saa7134/saa7134-dvb.c | 18 +++- 3 files changed, 255 insertions(+), 1 deletion(-) create mode 100644 drivers/media/dvb/frontends/isl6405.c create mode 100644 drivers/media/dvb/frontends/isl6405.h (limited to 'drivers') diff --git a/drivers/media/dvb/frontends/isl6405.c b/drivers/media/dvb/frontends/isl6405.c new file mode 100644 index 00000000000..33d33f4d886 --- /dev/null +++ b/drivers/media/dvb/frontends/isl6405.c @@ -0,0 +1,164 @@ +/* + * isl6405.c - driver for dual lnb supply and control ic ISL6405 + * + * Copyright (C) 2008 Hartmut Hackmann + * Copyright (C) 2006 Oliver Endriss + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Or, point your browser to http://www.gnu.org/copyleft/gpl.html + * + * + * the project's page is at http://www.linuxtv.org + */ +#include +#include +#include +#include +#include +#include +#include + +#include "dvb_frontend.h" +#include "isl6405.h" + +struct isl6405 { + u8 config; + u8 override_or; + u8 override_and; + struct i2c_adapter *i2c; + u8 i2c_addr; +}; + +static int isl6405_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage) +{ + struct isl6405 *isl6405 = (struct isl6405 *) fe->sec_priv; + struct i2c_msg msg = { .addr = isl6405->i2c_addr, .flags = 0, + .buf = &isl6405->config, + .len = sizeof(isl6405->config) }; + + if (isl6405->override_or & 0x80) { + isl6405->config &= ~(ISL6405_VSEL2 | ISL6405_EN2); + switch (voltage) { + case SEC_VOLTAGE_OFF: + break; + case SEC_VOLTAGE_13: + isl6405->config |= ISL6405_EN2; + break; + case SEC_VOLTAGE_18: + isl6405->config |= (ISL6405_EN2 | ISL6405_VSEL2); + break; + default: + return -EINVAL; + } + } else { + isl6405->config &= ~(ISL6405_VSEL1 | ISL6405_EN1); + switch (voltage) { + case SEC_VOLTAGE_OFF: + break; + case SEC_VOLTAGE_13: + isl6405->config |= ISL6405_EN1; + break; + case SEC_VOLTAGE_18: + isl6405->config |= (ISL6405_EN1 | ISL6405_VSEL1); + break; + default: + return -EINVAL; + }; + } + isl6405->config |= isl6405->override_or; + isl6405->config &= isl6405->override_and; + + return (i2c_transfer(isl6405->i2c, &msg, 1) == 1) ? 0 : -EIO; +} + +static int isl6405_enable_high_lnb_voltage(struct dvb_frontend *fe, long arg) +{ + struct isl6405 *isl6405 = (struct isl6405 *) fe->sec_priv; + struct i2c_msg msg = { .addr = isl6405->i2c_addr, .flags = 0, + .buf = &isl6405->config, + .len = sizeof(isl6405->config) }; + + if (isl6405->override_or & 0x80) { + if (arg) + isl6405->config |= ISL6405_LLC2; + else + isl6405->config &= ~ISL6405_LLC2; + } else { + if (arg) + isl6405->config |= ISL6405_LLC1; + else + isl6405->config &= ~ISL6405_LLC1; + } + isl6405->config |= isl6405->override_or; + isl6405->config &= isl6405->override_and; + + return (i2c_transfer(isl6405->i2c, &msg, 1) == 1) ? 0 : -EIO; +} + +static void isl6405_release(struct dvb_frontend *fe) +{ + /* power off */ + isl6405_set_voltage(fe, SEC_VOLTAGE_OFF); + + /* free */ + kfree(fe->sec_priv); + fe->sec_priv = NULL; +} + +struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, + u8 i2c_addr, u8 override_set, u8 override_clear) +{ + struct isl6405 *isl6405 = kmalloc(sizeof(struct isl6405), GFP_KERNEL); + if (!isl6405) + return NULL; + + /* default configuration */ + if (override_set & 0x80) + isl6405->config = ISL6405_ISEL2; + else + isl6405->config = ISL6405_ISEL1; + isl6405->i2c = i2c; + isl6405->i2c_addr = i2c_addr; + fe->sec_priv = isl6405; + + /* bits which should be forced to '1' */ + isl6405->override_or = override_set; + + /* bits which should be forced to '0' */ + isl6405->override_and = ~override_clear; + + /* detect if it is present or not */ + if (isl6405_set_voltage(fe, SEC_VOLTAGE_OFF)) { + kfree(isl6405); + fe->sec_priv = NULL; + return NULL; + } + + /* install release callback */ + fe->ops.release_sec = isl6405_release; + + /* override frontend ops */ + fe->ops.set_voltage = isl6405_set_voltage; + fe->ops.enable_high_lnb_voltage = isl6405_enable_high_lnb_voltage; + + return fe; +} +EXPORT_SYMBOL(isl6405_attach); + +MODULE_DESCRIPTION("Driver for lnb supply and control ic isl6405"); +MODULE_AUTHOR("Hartmut Hackmann & Oliver Endriss"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/frontends/isl6405.h b/drivers/media/dvb/frontends/isl6405.h new file mode 100644 index 00000000000..9d4001a2237 --- /dev/null +++ b/drivers/media/dvb/frontends/isl6405.h @@ -0,0 +1,74 @@ +/* + * isl6405.h - driver for dual lnb supply and control ic ISL6405 + * + * Copyright (C) 2008 Hartmut Hackmann + * Copyright (C) 2006 Oliver Endriss + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Or, point your browser to http://www.gnu.org/copyleft/gpl.html + * + * + * the project's page is at http://www.linuxtv.org + */ + +#ifndef _ISL6405_H +#define _ISL6405_H + +#include + +/* system register bits */ + +/* this bit selects register (control) 1 or 2 + note that the bit maps are different */ + +#define ISL6405_SR 0x80 + +/* SR = 0 */ +#define ISL6405_OLF1 0x01 +#define ISL6405_EN1 0x02 +#define ISL6405_VSEL1 0x04 +#define ISL6405_LLC1 0x08 +#define ISL6405_ENT1 0x10 +#define ISL6405_ISEL1 0x20 +#define ISL6405_DCL 0x40 + +/* SR = 1 */ +#define ISL6405_OLF2 0x01 +#define ISL6405_OTF 0x02 +#define ISL6405_EN2 0x04 +#define ISL6405_VSEL2 0x08 +#define ISL6405_LLC2 0x10 +#define ISL6405_ENT2 0x20 +#define ISL6405_ISEL2 0x40 + +#if defined(CONFIG_DVB_ISL6405) || (defined(CONFIG_DVB_ISL6405_MODULE) && defined(MODULE)) +/* override_set and override_clear control which system register bits (above) + * to always set & clear + */ +extern struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, + u8 i2c_addr, u8 override_set, u8 override_clear); +#else +static inline struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, u8 i2c_addr, + u8 override_set, u8 override_clear) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__); + return NULL; +} +#endif /* CONFIG_DVB_ISL6405 */ + +#endif diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c index 9d61d74fabd..72fd9fed8a3 100644 --- a/drivers/media/video/saa7134/saa7134-dvb.c +++ b/drivers/media/video/saa7134/saa7134-dvb.c @@ -43,6 +43,7 @@ #include "tda826x.h" #include "tda827x.h" #include "isl6421.h" +#include "isl6405.h" MODULE_AUTHOR("Gerd Knorr [SuSE Labs]"); MODULE_LICENSE("GPL"); @@ -990,7 +991,22 @@ static int dvb_init(struct saa7134_dev *dev) configure_tda827x_fe(dev, &tevion_dvbt220rf_config); break; case SAA7134_BOARD_MEDION_MD8800_QUADRO: - configure_tda827x_fe(dev, &md8800_dvbt_config); + if (!use_frontend) { /* terrestrial */ + configure_tda827x_fe(dev, &md8800_dvbt_config); + } else { /* satellite */ + dev->dvb.frontend = dvb_attach(tda10086_attach, + &flydvbs, &dev->i2c_adap); + if (dev->dvb.frontend) { + if (dvb_attach(tda826x_attach, dev->dvb.frontend, + 0x60, &dev->i2c_adap, 0) == NULL) + wprintk("%s: Medion Quadro, no tda826x " + "found !\n", __FUNCTION__); + if (dvb_attach(isl6405_attach, dev->dvb.frontend, + &dev->i2c_adap, 0x08, 0, 0) == NULL) + wprintk("%s: Medion Quadro, no ISL6405 " + "found !\n", __FUNCTION__); + } + } break; case SAA7134_BOARD_AVERMEDIA_AVERTVHD_A180: dev->dvb.frontend = dvb_attach(nxt200x_attach, &avertvhda180, -- cgit v1.2.3