1 // SPDX-License-Identifier: GPL-2.0-or-later
33 	kfree(fe->tuner_priv);  in tda826x_release()
34 	fe->tuner_priv = NULL;  in tda826x_release()
39 	struct tda826x_priv *priv = fe->tuner_priv;  in tda826x_sleep()
42 	struct i2c_msg msg = { .addr = priv->i2c_address, .flags = 0, .buf = buf, .len = 2 };  in tda826x_sleep()
46 	if (!priv->has_loopthrough)  in tda826x_sleep()
49 	if (fe->ops.i2c_gate_ctrl)  in tda826x_sleep()
50 		fe->ops.i2c_gate_ctrl(fe, 1);  in tda826x_sleep()
51 	if ((ret = i2c_transfer (priv->i2c, &msg, 1)) != 1) {  in tda826x_sleep()
54 	if (fe->ops.i2c_gate_ctrl)  in tda826x_sleep()
55 		fe->ops.i2c_gate_ctrl(fe, 0);  in tda826x_sleep()
62 	struct dtv_frontend_properties *p = &fe->dtv_property_cache;  in tda826x_set_params()
63 	struct tda826x_priv *priv = fe->tuner_priv;  in tda826x_set_params()
67 	u32 bandwidth;  in tda826x_set_params()  local
69 	struct i2c_msg msg = { .addr = priv->i2c_address, .flags = 0, .buf = buf, .len = 11 };  in tda826x_set_params()
73 	div = (p->frequency + (1000-1)) / 1000;  in tda826x_set_params()
77 	ksyms = p->symbol_rate / 1000;  in tda826x_set_params()
78 	bandwidth = (878 * ksyms + 6500000) / 1000000 + 1;  in tda826x_set_params()
79 	if (bandwidth < 5)  in tda826x_set_params()
80 		bandwidth = 5;  in tda826x_set_params()
81 	else if (bandwidth > 36)  in tda826x_set_params()
82 		bandwidth = 36;  in tda826x_set_params()
86 	if (!priv->has_loopthrough)  in tda826x_set_params()
91 	buf[5] = ((bandwidth - 5) << 3) | 7; /* baseband cut-off */  in tda826x_set_params()
93 	buf[7] = 0x83; // charge pumps at high, tests off  in tda826x_set_params()
98 	if (fe->ops.i2c_gate_ctrl)  in tda826x_set_params()
99 		fe->ops.i2c_gate_ctrl(fe, 1);  in tda826x_set_params()
100 	if ((ret = i2c_transfer (priv->i2c, &msg, 1)) != 1) {  in tda826x_set_params()
103 	if (fe->ops.i2c_gate_ctrl)  in tda826x_set_params()
104 		fe->ops.i2c_gate_ctrl(fe, 0);  in tda826x_set_params()
106 	priv->frequency = div * 1000;  in tda826x_set_params()
113 	struct tda826x_priv *priv = fe->tuner_priv;  in tda826x_get_frequency()
114 	*frequency = priv->frequency;  in tda826x_get_frequency()
142 	if (fe->ops.i2c_gate_ctrl)  in tda826x_attach()
143 		fe->ops.i2c_gate_ctrl(fe, 1);  in tda826x_attach()
145 	if (fe->ops.i2c_gate_ctrl)  in tda826x_attach()
146 		fe->ops.i2c_gate_ctrl(fe, 0);  in tda826x_attach()
157 	priv->i2c_address = addr;  in tda826x_attach()
158 	priv->i2c = i2c;  in tda826x_attach()
159 	priv->has_loopthrough = has_loopthrough;  in tda826x_attach()
161 	memcpy(&fe->ops.tuner_ops, &tda826x_tuner_ops, sizeof(struct dvb_tuner_ops));  in tda826x_attach()
163 	fe->tuner_priv = priv;  in tda826x_attach()