1 // SPDX-License-Identifier: GPL-2.0-or-later
8  * Copyright (C) 2012 Hans-Frieder Vogt <hfvogt@gmx.net>
22 	FC11_REG_VCOSEL,	/* VCO select */
39 	FC11_VCOSEL_2		= 0x08, /* VCO select 2 */
40 	FC11_VCOSEL_1		= 0x10, /* VCO select 1 */
70 	struct i2c_msg msg = { .addr = priv->addr,  in fc0011_writereg()
73 	if (i2c_transfer(priv->i2c, &msg, 1) != 1) {  in fc0011_writereg()
74 		dev_err(&priv->i2c->dev,  in fc0011_writereg()
77 		return -EIO;  in fc0011_writereg()
87 		{ .addr = priv->addr,  in fc0011_readreg()
89 		{ .addr = priv->addr,  in fc0011_readreg()
93 	if (i2c_transfer(priv->i2c, msg, 2) != 2) {  in fc0011_readreg()
94 		dev_err(&priv->i2c->dev,  in fc0011_readreg()
96 		return -EIO;  in fc0011_readreg()
104 	kfree(fe->tuner_priv);  in fc0011_release()
105 	fe->tuner_priv = NULL;  in fc0011_release()
110 	struct fc0011_priv *priv = fe->tuner_priv;  in fc0011_init()
113 	if (WARN_ON(!fe->callback))  in fc0011_init()
114 		return -EINVAL;  in fc0011_init()
116 	err = fe->callback(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER,  in fc0011_init()
117 			   FC0011_FE_CALLBACK_POWER, priv->addr);  in fc0011_init()
119 		dev_err(&priv->i2c->dev, "Power-on callback failed\n");  in fc0011_init()
122 	err = fe->callback(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER,  in fc0011_init()
123 			   FC0011_FE_CALLBACK_RESET, priv->addr);  in fc0011_init()
125 		dev_err(&priv->i2c->dev, "Reset callback failed\n");  in fc0011_init()
165 	struct dtv_frontend_properties *p = &fe->dtv_property_cache;  in fc0011_set_params()
166 	struct fc0011_priv *priv = fe->tuner_priv;  in fc0011_set_params()
169 	u32 freq = p->frequency / 1000;  in fc0011_set_params()  local
170 	u32 bandwidth = p->bandwidth_hz / 1000;  in fc0011_set_params()
186 		return -EIO;  in fc0011_set_params()
188 	/* Set VCO freq and VCO div */  in fc0011_set_params()
189 	if (freq < 54000) {  in fc0011_set_params()
190 		fvco = freq * 64;  in fc0011_set_params()
192 	} else if (freq < 108000) {  in fc0011_set_params()
193 		fvco = freq * 32;  in fc0011_set_params()
195 	} else if (freq < 216000) {  in fc0011_set_params()
196 		fvco = freq * 16;  in fc0011_set_params()
198 	} else if (freq < 432000) {  in fc0011_set_params()
199 		fvco = freq * 8;  in fc0011_set_params()
202 		fvco = freq * 4;  in fc0011_set_params()
209 	frac = fvco - xdiv * 18000;  in fc0011_set_params()
222 	if (fvco - xdiv * 18000 >= 9000)  in fc0011_set_params()
225 	fa = xdivr - fp * 8;  in fc0011_set_params()
227 		fp -= 1;  in fc0011_set_params()
235 		dev_warn(&priv->i2c->dev,  in fc0011_set_params()
242 	/* Select bandwidth */  in fc0011_set_params()
243 	switch (bandwidth) {  in fc0011_set_params()
250 		dev_warn(&priv->i2c->dev, "Unsupported bandwidth %u kHz. Using 6000 kHz.\n",  in fc0011_set_params()
259 	/* Pre VCO select */  in fc0011_set_params()
274 	if (freq < 45000) {  in fc0011_set_params()
299 		err = fe->callback(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER,  in fc0011_set_params()
300 				   FC0011_FE_CALLBACK_RESET, priv->addr);  in fc0011_set_params()
302 			dev_err(&priv->i2c->dev, "Failed to reset tuner\n");  in fc0011_set_params()
315 			return -EIO;  in fc0011_set_params()
326 		dev_err(&priv->i2c->dev,  in fc0011_set_params()
329 		return -EIO;  in fc0011_set_params()
333 	switch (vco_sel) {  in fc0011_set_params()
336 		return -EINVAL;  in fc0011_set_params()
423 …dev_dbg(&priv->i2c->dev, "Tuned to fa=%02X fp=%02X xin=%02X%02X vco=%02X vcosel=%02X vcocal=%02X(%…  in fc0011_set_params()
433 	priv->frequency = p->frequency;  in fc0011_set_params()
434 	priv->bandwidth = p->bandwidth_hz;  in fc0011_set_params()
441 	struct fc0011_priv *priv = fe->tuner_priv;  in fc0011_get_frequency()
443 	*frequency = priv->frequency;  in fc0011_get_frequency()
457 	struct fc0011_priv *priv = fe->tuner_priv;  in fc0011_get_bandwidth()
459 	*bandwidth = priv->bandwidth;  in fc0011_get_bandwidth()
492 	priv->i2c = i2c;  in fc0011_attach()
493 	priv->addr = config->i2c_address;  in fc0011_attach()
495 	fe->tuner_priv = priv;  in fc0011_attach()
496 	fe->ops.tuner_ops = fc0011_tuner_ops;  in fc0011_attach()
498 	dev_info(&priv->i2c->dev, "Fitipower FC0011 tuner attached\n");  in fc0011_attach()