diff options
Diffstat (limited to 'drivers/media/common/tuners/tda18271.h')
| -rw-r--r-- | drivers/media/common/tuners/tda18271.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/drivers/media/common/tuners/tda18271.h b/drivers/media/common/tuners/tda18271.h new file mode 100644 index 00000000000..0e7af8d05a3 --- /dev/null +++ b/drivers/media/common/tuners/tda18271.h @@ -0,0 +1,99 @@ +/* + tda18271.h - header for the Philips / NXP TDA18271 silicon tuner + + Copyright (C) 2007, 2008 Michael Krufky <mkrufky@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 __TDA18271_H__ +#define __TDA18271_H__ + +#include <linux/i2c.h> +#include "dvb_frontend.h" + +struct tda18271_std_map_item { + u16 if_freq; + + /* EP3[4:3] */ + unsigned int agc_mode:2; + /* EP3[2:0] */ + unsigned int std:3; + /* EP4[7] */ + unsigned int fm_rfn:1; + /* EP4[4:2] */ + unsigned int if_lvl:3; + /* EB22[6:0] */ + unsigned int rfagc_top:7; +}; + +struct tda18271_std_map { + struct tda18271_std_map_item fm_radio; + struct tda18271_std_map_item atv_b; + struct tda18271_std_map_item atv_dk; + struct tda18271_std_map_item atv_gh; + struct tda18271_std_map_item atv_i; + struct tda18271_std_map_item atv_l; + struct tda18271_std_map_item atv_lc; + struct tda18271_std_map_item atv_mn; + struct tda18271_std_map_item atsc_6; + struct tda18271_std_map_item dvbt_6; + struct tda18271_std_map_item dvbt_7; + struct tda18271_std_map_item dvbt_8; + struct tda18271_std_map_item qam_6; + struct tda18271_std_map_item qam_8; +}; + +enum tda18271_role { + TDA18271_MASTER = 0, + TDA18271_SLAVE, +}; + +enum tda18271_i2c_gate { + TDA18271_GATE_AUTO = 0, + TDA18271_GATE_ANALOG, + TDA18271_GATE_DIGITAL, +}; + +struct tda18271_config { + /* override default if freq / std settings (optional) */ + struct tda18271_std_map *std_map; + + /* master / slave tuner: master uses main pll, slave uses cal pll */ + enum tda18271_role role; + + /* use i2c gate provided by analog or digital demod */ + enum tda18271_i2c_gate gate; + + /* some i2c providers cant write all 39 registers at once */ + unsigned int small_i2c:1; +}; + +#if defined(CONFIG_DVB_TDA18271) || (defined(CONFIG_DVB_TDA18271_MODULE) && defined(MODULE)) +extern struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, + struct i2c_adapter *i2c, + struct tda18271_config *cfg); +#else +static inline struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, + u8 addr, + struct i2c_adapter *i2c, + struct tda18271_config *cfg) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif /* __TDA18271_H__ */ |