diff options
Diffstat (limited to 'drivers/media/dvb/frontends')
-rw-r--r-- | drivers/media/dvb/frontends/Kconfig | 8 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/Makefile | 1 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/lg_h06xf.h | 64 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/lgh06xf.c | 139 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/lgh06xf.h | 35 |
5 files changed, 183 insertions, 64 deletions
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index 7279e587e14..af314bb1dca 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -297,6 +297,14 @@ config DVB_TUNER_MT2060 help A driver for the silicon IF tuner MT2060 from Microtune. +config DVB_TUNER_LGH06XF + tristate "LG TDVS-H06xF ATSC tuner" + depends on DVB_CORE && I2C + select DVB_PLL + default m if DVB_FE_CUSTOMISE + help + A driver for the LG TDVS-H06xF ATSC tuner family. + comment "Miscellaneous devices" depends on DVB_CORE diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 593152ecf7e..3fa6e5d32a9 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -39,3 +39,4 @@ 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 +obj-$(CONFIG_DVB_TUNER_LGH06XF) += lgh06xf.o diff --git a/drivers/media/dvb/frontends/lg_h06xf.h b/drivers/media/dvb/frontends/lg_h06xf.h deleted file mode 100644 index 754d51d1112..00000000000 --- a/drivers/media/dvb/frontends/lg_h06xf.h +++ /dev/null @@ -1,64 +0,0 @@ -/* - * lg_h06xf.h - ATSC Tuner support for LG TDVS-H06xF - * - * 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 _LG_H06XF_H_ -#define _LG_H06XF_H_ -#include "dvb-pll.h" - -static int lg_h06xf_pll_set(struct dvb_frontend* fe, struct i2c_adapter* i2c_adap, - struct dvb_frontend_parameters* params) -{ - u8 buf[4]; - struct i2c_msg msg = { .addr = 0x61, .flags = 0, - .buf = buf, .len = sizeof(buf) }; - int err; - - dvb_pll_configure(&dvb_pll_lg_tdvs_h06xf, buf, params->frequency, 0); - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 1); - if ((err = i2c_transfer(i2c_adap, &msg, 1)) != 1) { - printk(KERN_WARNING "lg_h06xf: %s error " - "(addr %02x <- %02x, err = %i)\n", - __FUNCTION__, buf[0], buf[1], err); - if (err < 0) - return err; - else - return -EREMOTEIO; - } - - /* Set the Auxiliary Byte. */ - buf[0] = buf[2]; - buf[0] &= ~0x20; - buf[0] |= 0x18; - buf[1] = 0x50; - msg.len = 2; - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 1); - if ((err = i2c_transfer(i2c_adap, &msg, 1)) != 1) { - printk(KERN_WARNING "lg_h06xf: %s error " - "(addr %02x <- %02x, err = %i)\n", - __FUNCTION__, buf[0], buf[1], err); - if (err < 0) - return err; - else - return -EREMOTEIO; - } - - return 0; -} -#endif diff --git a/drivers/media/dvb/frontends/lgh06xf.c b/drivers/media/dvb/frontends/lgh06xf.c new file mode 100644 index 00000000000..badbea8ad82 --- /dev/null +++ b/drivers/media/dvb/frontends/lgh06xf.c @@ -0,0 +1,139 @@ +/* + * lgh06xf.c - ATSC Tuner support for LG TDVS-H06xF + * + * 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 "dvb-pll.h" +#include "lgh06xf.h" + +#define LG_H06XF_PLL_I2C_ADDR 0x61 + +struct lgh06xf_priv { + struct i2c_adapter *i2c; + u32 frequency; +}; + +static int lgh06xf_release(struct dvb_frontend *fe) +{ + kfree(fe->tuner_priv); + fe->tuner_priv = NULL; + return 0; +} + +static int lgh06xf_set_params(struct dvb_frontend* fe, + struct dvb_frontend_parameters* params) +{ + struct lgh06xf_priv *priv = fe->tuner_priv; + u8 buf[4]; + struct i2c_msg msg = { .addr = LG_H06XF_PLL_I2C_ADDR, .flags = 0, + .buf = buf, .len = sizeof(buf) }; + u32 div; + int i; + int err; + + dvb_pll_configure(&dvb_pll_lg_tdvs_h06xf, buf, params->frequency, 0); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + if ((err = i2c_transfer(priv->i2c, &msg, 1)) != 1) { + printk(KERN_WARNING "lgh06xf: %s error " + "(addr %02x <- %02x, err = %i)\n", + __FUNCTION__, buf[0], buf[1], err); + if (err < 0) + return err; + else + return -EREMOTEIO; + } + + /* Set the Auxiliary Byte. */ + buf[0] = buf[2]; + buf[0] &= ~0x20; + buf[0] |= 0x18; + buf[1] = 0x50; + msg.len = 2; + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + if ((err = i2c_transfer(priv->i2c, &msg, 1)) != 1) { + printk(KERN_WARNING "lgh06xf: %s error " + "(addr %02x <- %02x, err = %i)\n", + __FUNCTION__, buf[0], buf[1], err); + if (err < 0) + return err; + else + return -EREMOTEIO; + } + + // calculate the frequency we set it to + for (i = 0; i < dvb_pll_lg_tdvs_h06xf.count; i++) { + if (params->frequency > dvb_pll_lg_tdvs_h06xf.entries[i].limit) + continue; + break; + } + div = (params->frequency + dvb_pll_lg_tdvs_h06xf.entries[i].offset) / + dvb_pll_lg_tdvs_h06xf.entries[i].stepsize; + priv->frequency = (div * dvb_pll_lg_tdvs_h06xf.entries[i].stepsize) - + dvb_pll_lg_tdvs_h06xf.entries[i].offset; + + return 0; +} + +static int lgh06xf_get_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + struct lgh06xf_priv *priv = fe->tuner_priv; + *frequency = priv->frequency; + return 0; +} + +static struct dvb_tuner_ops lgh06xf_tuner_ops = { + .release = lgh06xf_release, + .set_params = lgh06xf_set_params, + .get_frequency = lgh06xf_get_frequency, +}; + +struct dvb_frontend* lgh06xf_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c) +{ + struct lgh06xf_priv *priv = NULL; + + priv = kzalloc(sizeof(struct lgh06xf_priv), GFP_KERNEL); + if (priv == NULL) + return NULL; + + priv->i2c = i2c; + + memcpy(&fe->ops.tuner_ops, &lgh06xf_tuner_ops, + sizeof(struct dvb_tuner_ops)); + + strlcpy(fe->ops.tuner_ops.info.name, dvb_pll_lg_tdvs_h06xf.name, + sizeof(fe->ops.tuner_ops.info.name)); + + fe->ops.tuner_ops.info.frequency_min = dvb_pll_lg_tdvs_h06xf.min; + fe->ops.tuner_ops.info.frequency_max = dvb_pll_lg_tdvs_h06xf.max; + + fe->tuner_priv = priv; + return fe; +} + +EXPORT_SYMBOL(lgh06xf_attach); + +MODULE_DESCRIPTION("LG TDVS-H06xF ATSC Tuner support"); +MODULE_AUTHOR("Michael Krufky"); +MODULE_LICENSE("GPL"); + +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ diff --git a/drivers/media/dvb/frontends/lgh06xf.h b/drivers/media/dvb/frontends/lgh06xf.h new file mode 100644 index 00000000000..41c41fc59be --- /dev/null +++ b/drivers/media/dvb/frontends/lgh06xf.h @@ -0,0 +1,35 @@ +/* + * lgh06xf.h - ATSC Tuner support for LG TDVS-H06xF + * + * 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 _LGH06XF_H_ +#define _LGH06XF_H_ +#include "dvb_frontend.h" + +#if defined(CONFIG_DVB_TUNER_LGH06XF) || (defined(CONFIG_DVB_TUNER_LGH06XF_MODULE) && defined(MODULE)) +extern struct dvb_frontend* lgh06xf_attach(struct dvb_frontend* fe, + struct i2c_adapter *i2c); +#else +static inline struct dvb_frontend* lgh06xf_attach(struct dvb_frontend* fe, + struct i2c_adapter *i2c); +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__); + return NULL; +} +#endif /* CONFIG_DVB_TUNER_LGH06XF */ + +#endif /* _LGH06XF_H_ */ |