1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun Driver for VES1893 and VES1993 QPSK Demodulators 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de> 6*4882a593Smuzhiyun Copyright (C) 2001 Ronny Strutz <3des@elitedvb.de> 7*4882a593Smuzhiyun Copyright (C) 2002 Dennis Noermann <dennis.noermann@noernet.de> 8*4882a593Smuzhiyun Copyright (C) 2002-2003 Andreas Oberritter <obi@linuxtv.org> 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun */ 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #ifndef VES1X93_H 14*4882a593Smuzhiyun #define VES1X93_H 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #include <linux/dvb/frontend.h> 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun struct ves1x93_config 19*4882a593Smuzhiyun { 20*4882a593Smuzhiyun /* the demodulator's i2c address */ 21*4882a593Smuzhiyun u8 demod_address; 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun /* value of XIN to use */ 24*4882a593Smuzhiyun u32 xin; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun /* should PWM be inverted? */ 27*4882a593Smuzhiyun u8 invert_pwm:1; 28*4882a593Smuzhiyun }; 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_VES1X93) 31*4882a593Smuzhiyun extern struct dvb_frontend* ves1x93_attach(const struct ves1x93_config* config, 32*4882a593Smuzhiyun struct i2c_adapter* i2c); 33*4882a593Smuzhiyun #else ves1x93_attach(const struct ves1x93_config * config,struct i2c_adapter * i2c)34*4882a593Smuzhiyunstatic inline struct dvb_frontend* ves1x93_attach(const struct ves1x93_config* config, 35*4882a593Smuzhiyun struct i2c_adapter* i2c) 36*4882a593Smuzhiyun { 37*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 38*4882a593Smuzhiyun return NULL; 39*4882a593Smuzhiyun } 40*4882a593Smuzhiyun #endif // CONFIG_DVB_VES1X93 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun #endif // VES1X93_H 43