drivers/media/dvb/frontends/isl6405.h

   1 /*
   2  * isl6405.h - driver for dual lnb supply and control ic ISL6405
   3  *
   4  * Copyright (C) 2008 Hartmut Hackmann
   5  * Copyright (C) 2006 Oliver Endriss
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version 2
  10  * of the License, or (at your option) any later version.
  11  *
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
  23  *
  24  *
  25  * the project's page is at http://www.linuxtv.org
  26  */
  27
  28 #ifndef _ISL6405_H
  29 #define _ISL6405_H
  30
  31 #include <linux/dvb/frontend.h>
  32
  33 /* system register bits */
  34
  35 /* this bit selects register (control) 1 or 2
  36    note that the bit maps are different */
  37
  38 #define ISL6405_SR      0x80
  39
  40 /* SR = 0 */
  41 #define ISL6405_OLF1    0x01
  42 #define ISL6405_EN1     0x02
  43 #define ISL6405_VSEL1   0x04
  44 #define ISL6405_LLC1    0x08
  45 #define ISL6405_ENT1    0x10
  46 #define ISL6405_ISEL1   0x20
  47 #define ISL6405_DCL     0x40
  48
  49 /* SR = 1 */
  50 #define ISL6405_OLF2    0x01
  51 #define ISL6405_OTF     0x02
  52 #define ISL6405_EN2     0x04
  53 #define ISL6405_VSEL2   0x08
  54 #define ISL6405_LLC2    0x10
  55 #define ISL6405_ENT2    0x20
  56 #define ISL6405_ISEL2   0x40
  57
  58 #if defined(CONFIG_DVB_ISL6405) || (defined(CONFIG_DVB_ISL6405_MODULE) && defined(MODULE))
  59 /* override_set and override_clear control which system register bits (above)
  60  * to always set & clear
  61  */
  62 extern struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c,
  63                                            u8 i2c_addr, u8 override_set, u8 override_clear);
  64 #else
  65 static inline struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe,
  66                                                   struct i2c_adapter *i2c, u8 i2c_addr,
  67                                                   u8 override_set, u8 override_clear)
  68 {
  69         printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  70         return NULL;
  71 }
  72 #endif /* CONFIG_DVB_ISL6405 */
  73
  74 #endif