1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Driver for Zarlink DVB-T MT352 demodulator
8 * AVerMedia AVerTV DVB-T 771 support by
11 * Support for Samsung TDTC9251DH01C(M) tuner
15 * DVICO FusionHDTV DVB-T1 and DVICO FusionHDTV DVB-T Lite support by
22 #include <linux/dvb/frontend.h>
26 /* the demodulator's i2c address */
29 /* frequencies in kHz */
30 int adc_clock; // default: 20480
31 int if2; // default: 36166
33 /* set if no pll is connected to the secondary i2c bus */
36 /* Initialise the demodulator and PLL. Cannot be NULL */
37 int (*demod_init)(struct dvb_frontend* fe);
40 #if IS_REACHABLE(CONFIG_DVB_MT352)
41 extern struct dvb_frontend* mt352_attach(const struct mt352_config* config,
42 struct i2c_adapter* i2c);
44 static inline struct dvb_frontend* mt352_attach(const struct mt352_config* config,
45 struct i2c_adapter* i2c)
47 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
50 #endif // CONFIG_DVB_MT352
52 static inline int mt352_write(struct dvb_frontend *fe, const u8 buf[], int len) {
55 r = fe->ops.write(fe, buf, len);