1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun Montage Technology TS2020 - Silicon Tuner driver 4*4882a593Smuzhiyun Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com> 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun Copyright (C) 2009-2012 TurboSight.com 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef TS2020_H 11*4882a593Smuzhiyun #define TS2020_H 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include <linux/dvb/frontend.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun struct ts2020_config { 16*4882a593Smuzhiyun u8 tuner_address; 17*4882a593Smuzhiyun u32 frequency_div; 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun /* 20*4882a593Smuzhiyun * RF loop-through 21*4882a593Smuzhiyun */ 22*4882a593Smuzhiyun bool loop_through:1; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun /* 25*4882a593Smuzhiyun * clock output 26*4882a593Smuzhiyun */ 27*4882a593Smuzhiyun #define TS2020_CLK_OUT_DISABLED 0 28*4882a593Smuzhiyun #define TS2020_CLK_OUT_ENABLED 1 29*4882a593Smuzhiyun #define TS2020_CLK_OUT_ENABLED_XTALOUT 2 30*4882a593Smuzhiyun u8 clk_out:2; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun /* 33*4882a593Smuzhiyun * clock output divider 34*4882a593Smuzhiyun * 1 - 31 35*4882a593Smuzhiyun */ 36*4882a593Smuzhiyun u8 clk_out_div:5; 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun /* Set to true to suppress stat polling */ 39*4882a593Smuzhiyun bool dont_poll:1; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun /* 42*4882a593Smuzhiyun * pointer to DVB frontend 43*4882a593Smuzhiyun */ 44*4882a593Smuzhiyun struct dvb_frontend *fe; 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun /* 47*4882a593Smuzhiyun * driver private, do not set value 48*4882a593Smuzhiyun */ 49*4882a593Smuzhiyun u8 attach_in_use:1; 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun /* Operation to be called by the ts2020 driver to get the value of the 52*4882a593Smuzhiyun * AGC PWM tuner input as theoretically output by the demodulator. 53*4882a593Smuzhiyun */ 54*4882a593Smuzhiyun int (*get_agc_pwm)(struct dvb_frontend *fe, u8 *_agc_pwm); 55*4882a593Smuzhiyun }; 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun /* Do not add new ts2020_attach() users! Use I2C bindings instead. */ 58*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_TS2020) 59*4882a593Smuzhiyun extern struct dvb_frontend *ts2020_attach( 60*4882a593Smuzhiyun struct dvb_frontend *fe, 61*4882a593Smuzhiyun const struct ts2020_config *config, 62*4882a593Smuzhiyun struct i2c_adapter *i2c); 63*4882a593Smuzhiyun #else ts2020_attach(struct dvb_frontend * fe,const struct ts2020_config * config,struct i2c_adapter * i2c)64*4882a593Smuzhiyunstatic inline struct dvb_frontend *ts2020_attach( 65*4882a593Smuzhiyun struct dvb_frontend *fe, 66*4882a593Smuzhiyun const struct ts2020_config *config, 67*4882a593Smuzhiyun struct i2c_adapter *i2c) 68*4882a593Smuzhiyun { 69*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 70*4882a593Smuzhiyun return NULL; 71*4882a593Smuzhiyun } 72*4882a593Smuzhiyun #endif 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun #endif /* TS2020_H */ 75