29 	struct dvb_frontend *fe;  member
48 static int ts2020_release(struct dvb_frontend *fe)  in ts2020_release()  argument
50 	kfree(fe->tuner_priv);  in ts2020_release()
51 	fe->tuner_priv = NULL;  in ts2020_release()
55 static int ts2020_writereg(struct dvb_frontend *fe, int reg, int data)  in ts2020_writereg()  argument
57 	struct ts2020_priv *priv = fe->tuner_priv;  in ts2020_writereg()
69 	if (fe->ops.i2c_gate_ctrl)  in ts2020_writereg()
70 		fe->ops.i2c_gate_ctrl(fe, 1);  in ts2020_writereg()
80 	if (fe->ops.i2c_gate_ctrl)  in ts2020_writereg()
81 		fe->ops.i2c_gate_ctrl(fe, 0);  in ts2020_writereg()
86 static int ts2020_readreg(struct dvb_frontend *fe, u8 reg)  in ts2020_readreg()  argument
88 	struct ts2020_priv *priv = fe->tuner_priv;  in ts2020_readreg()
106 	if (fe->ops.i2c_gate_ctrl)  in ts2020_readreg()
107 		fe->ops.i2c_gate_ctrl(fe, 1);  in ts2020_readreg()
117 	if (fe->ops.i2c_gate_ctrl)  in ts2020_readreg()
118 		fe->ops.i2c_gate_ctrl(fe, 0);  in ts2020_readreg()
123 static int ts2020_sleep(struct dvb_frontend *fe)  in ts2020_sleep()  argument
125 	struct ts2020_priv *priv = fe->tuner_priv;  in ts2020_sleep()
133 	return ts2020_writereg(fe, u8tmp, 0x00);  in ts2020_sleep()
136 static int ts2020_init(struct dvb_frontend *fe)  in ts2020_init()  argument
138 	struct ts2020_priv *priv = fe->tuner_priv;  in ts2020_init()
143 		ts2020_writereg(fe, 0x42, 0x73);  in ts2020_init()
144 		ts2020_writereg(fe, 0x05, priv->clk_out_div);  in ts2020_init()
145 		ts2020_writereg(fe, 0x20, 0x27);  in ts2020_init()
146 		ts2020_writereg(fe, 0x07, 0x02);  in ts2020_init()
147 		ts2020_writereg(fe, 0x11, 0xff);  in ts2020_init()
148 		ts2020_writereg(fe, 0x60, 0xf9);  in ts2020_init()
149 		ts2020_writereg(fe, 0x08, 0x01);  in ts2020_init()
150 		ts2020_writereg(fe, 0x00, 0x41);  in ts2020_init()
166 		ts2020_writereg(fe, 0x00, 0x01);  in ts2020_init()
167 		ts2020_writereg(fe, 0x00, 0x03);  in ts2020_init()
175 			ts2020_writereg(fe, 0x05, priv->clk_out_div);  in ts2020_init()
185 		ts2020_writereg(fe, 0x42, u8tmp);  in ts2020_init()
192 		ts2020_writereg(fe, 0x62, u8tmp);  in ts2020_init()
195 			ts2020_writereg(fe, reg_vals[i].reg, reg_vals[i].val);  in ts2020_init()
201 static int ts2020_tuner_gate_ctrl(struct dvb_frontend *fe, u8 offset)  in ts2020_tuner_gate_ctrl()  argument
204 	ret = ts2020_writereg(fe, 0x51, 0x1f - offset);  in ts2020_tuner_gate_ctrl()
205 	ret |= ts2020_writereg(fe, 0x51, 0x1f);  in ts2020_tuner_gate_ctrl()
206 	ret |= ts2020_writereg(fe, 0x50, offset);  in ts2020_tuner_gate_ctrl()
207 	ret |= ts2020_writereg(fe, 0x50, 0x00);  in ts2020_tuner_gate_ctrl()
212 static int ts2020_set_tuner_rf(struct dvb_frontend *fe)  in ts2020_set_tuner_rf()  argument
216 	reg = ts2020_readreg(fe, 0x3d);  in ts2020_set_tuner_rf()
225 	ts2020_writereg(fe, 0x60, reg);  in ts2020_set_tuner_rf()
226 	reg = ts2020_tuner_gate_ctrl(fe, 0x08);  in ts2020_set_tuner_rf()
231 static int ts2020_set_params(struct dvb_frontend *fe)  in ts2020_set_params()  argument
233 	struct dtv_frontend_properties *c = &fe->dtv_property_cache;  in ts2020_set_params()
234 	struct ts2020_priv *priv = fe->tuner_priv;  in ts2020_set_params()
256 		ret = ts2020_writereg(fe, 0x10, 0x80 | lo);  in ts2020_set_params()
259 		ret = ts2020_writereg(fe, 0x10, 0x0b);  in ts2020_set_params()
260 		ret |= ts2020_writereg(fe, 0x11, 0x40);  in ts2020_set_params()
264 	ret |= ts2020_writereg(fe, 0x01, (ndiv >> 8) & 0xf);  in ts2020_set_params()
265 	ret |= ts2020_writereg(fe, 0x02, ndiv & 0xff);  in ts2020_set_params()
267 	ret |= ts2020_writereg(fe, 0x03, 0x06);  in ts2020_set_params()
268 	ret |= ts2020_tuner_gate_ctrl(fe, 0x10);  in ts2020_set_params()
273 	ret = ts2020_writereg(fe, 0x10, lo);  in ts2020_set_params()
275 	ret |= ts2020_tuner_gate_ctrl(fe, 0x08);  in ts2020_set_params()
279 		ret |= ts2020_set_tuner_rf(fe);  in ts2020_set_params()
282 	ret |= ts2020_writereg(fe, 0x04, gdiv28 & 0xff);  in ts2020_set_params()
283 	ret |= ts2020_tuner_gate_ctrl(fe, 0x04);  in ts2020_set_params()
288 		ret = ts2020_writereg(fe, 0x25, 0x00);  in ts2020_set_params()
289 		ret |= ts2020_writereg(fe, 0x27, 0x70);  in ts2020_set_params()
290 		ret |= ts2020_writereg(fe, 0x41, 0x09);  in ts2020_set_params()
291 		ret |= ts2020_writereg(fe, 0x08, 0x0b);  in ts2020_set_params()
296 	value = ts2020_readreg(fe, 0x26);  in ts2020_set_params()
330 	ret = ts2020_writereg(fe, 0x04, lpf_mxdiv);  in ts2020_set_params()
331 	ret |= ts2020_writereg(fe, 0x06, nlpf);  in ts2020_set_params()
333 	ret |= ts2020_tuner_gate_ctrl(fe, 0x04);  in ts2020_set_params()
335 	ret |= ts2020_tuner_gate_ctrl(fe, 0x01);  in ts2020_set_params()
347 static int ts2020_get_frequency(struct dvb_frontend *fe, u32 *frequency)  in ts2020_get_frequency()  argument
349 	struct ts2020_priv *priv = fe->tuner_priv;  in ts2020_get_frequency()
355 static int ts2020_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)  in ts2020_get_if_frequency()  argument
362 static int ts2020_read_signal_strength(struct dvb_frontend *fe,  in ts2020_read_signal_strength()  argument
368 	rfgain = ts2020_readreg(fe, 0x3d) & 0x1f;  in ts2020_read_signal_strength()
369 	bbgain = ts2020_readreg(fe, 0x21) & 0x1f;  in ts2020_read_signal_strength()
401 struct dvb_frontend *ts2020_attach(struct dvb_frontend *fe,  in ts2020_attach()  argument
417 	priv->fe = fe;  in ts2020_attach()
418 	fe->tuner_priv = priv;  in ts2020_attach()
424 	if ((0x03 & ts2020_readreg(fe, 0x00)) == 0x00) {  in ts2020_attach()
425 		ts2020_writereg(fe, 0x00, 0x01);  in ts2020_attach()
429 	ts2020_writereg(fe, 0x00, 0x03);  in ts2020_attach()
433 	buf = ts2020_readreg(fe, 0x00);  in ts2020_attach()
446 	memcpy(&fe->ops.tuner_ops, &ts2020_tuner_ops,  in ts2020_attach()
449 	return fe;  in ts2020_attach()
457 	struct dvb_frontend *fe = pdata->fe;  in ts2020_probe()  local
475 	dev->fe = fe;  in ts2020_probe()
476 	fe->tuner_priv = dev;  in ts2020_probe()
479 	ret = ts2020_readreg(fe, 0x00);  in ts2020_probe()
485 		ret = ts2020_writereg(fe, 0x00, 0x01);  in ts2020_probe()
492 	ret = ts2020_writereg(fe, 0x00, 0x03);  in ts2020_probe()
498 	ret = ts2020_readreg(fe, 0x00);  in ts2020_probe()
533 			ret = ts2020_writereg(fe, 0x05, dev->clk_out_div);  in ts2020_probe()
545 		ret = ts2020_writereg(fe, 0x42, u8tmp);  in ts2020_probe()
554 		ret = ts2020_writereg(fe, 0x62, u8tmp);  in ts2020_probe()
560 	ret = ts2020_writereg(fe, 0x00, 0x00);  in ts2020_probe()
567 	memcpy(&fe->ops.tuner_ops, &ts2020_tuner_ops,  in ts2020_probe()
569 	fe->ops.tuner_ops.release = NULL;  in ts2020_probe()
582 	struct dvb_frontend *fe = dev->fe;  in ts2020_remove()  local
586 	memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops));  in ts2020_remove()
587 	fe->tuner_priv = NULL;  in ts2020_remove()