1 // SPDX-License-Identifier: GPL-2.0-or-later
5  * Sony Horus3A DVB-S/S2 tuner driver
40 	dev_dbg(&priv->i2c->dev, "horus3a: I2C %s reg 0x%02x size %d\n",  in horus3a_i2c_debug()
53 			.addr = priv->i2c_address,  in horus3a_write_regs()
61 		dev_warn(&priv->i2c->dev,"wr reg=%04x: len=%d is too big!\n",  in horus3a_write_regs()
63 		return -E2BIG;  in horus3a_write_regs()
69 	ret = i2c_transfer(priv->i2c, msg, 1);  in horus3a_write_regs()
71 		ret = -EREMOTEIO;  in horus3a_write_regs()
73 		dev_warn(&priv->i2c->dev,  in horus3a_write_regs()
92 	dev_dbg(&priv->i2c->dev, "%s()\n", __func__);  in horus3a_enter_power_save()
93 	if (priv->state == STATE_SLEEP)  in horus3a_enter_power_save()
109 	/* 0x11 - 0x12 */  in horus3a_enter_power_save()
111 	priv->state = STATE_SLEEP;  in horus3a_enter_power_save()
119 	dev_dbg(&priv->i2c->dev, "%s()\n", __func__);  in horus3a_leave_power_save()
120 	if (priv->state == STATE_ACTIVE)  in horus3a_leave_power_save()
126 	/* 0x11 - 0x12 */  in horus3a_leave_power_save()
135 	priv->state = STATE_ACTIVE;  in horus3a_leave_power_save()
141 	struct horus3a_priv *priv = fe->tuner_priv;  in horus3a_init()
143 	dev_dbg(&priv->i2c->dev, "%s()\n", __func__);  in horus3a_init()
149 	struct horus3a_priv *priv = fe->tuner_priv;  in horus3a_release()
151 	dev_dbg(&priv->i2c->dev, "%s()\n", __func__);  in horus3a_release()
152 	kfree(fe->tuner_priv);  in horus3a_release()
153 	fe->tuner_priv = NULL;  in horus3a_release()
158 	struct horus3a_priv *priv = fe->tuner_priv;  in horus3a_sleep()
160 	dev_dbg(&priv->i2c->dev, "%s()\n", __func__);  in horus3a_sleep()
167 	struct dtv_frontend_properties *p = &fe->dtv_property_cache;  in horus3a_set_params()
168 	struct horus3a_priv *priv = fe->tuner_priv;  in horus3a_set_params()
169 	u32 frequency = p->frequency;  in horus3a_set_params()
170 	u32 symbol_rate = p->symbol_rate/1000;  in horus3a_set_params()
179 	dev_dbg(&priv->i2c->dev, "%s(): frequency %dkHz symbol_rate %dksps\n",  in horus3a_set_params()
181 	if (priv->set_tuner)  in horus3a_set_params()
182 		priv->set_tuner(priv->set_tuner_data, 0);  in horus3a_set_params()
183 	if (priv->state == STATE_SLEEP)  in horus3a_set_params()
187 	frequency = DIV_ROUND_CLOSEST(frequency, 1000) * 1000;  in horus3a_set_params()
195 	/* Assumed that fREF == 1MHz (1000kHz) */  in horus3a_set_params()
196 	ms = DIV_ROUND_CLOSEST((frequency * mixdiv) / 2, 1000);  in horus3a_set_params()
198 		dev_err(&priv->i2c->dev, "horus3a: invalid frequency %d\n",  in horus3a_set_params()
200 		return -EINVAL;  in horus3a_set_params()
215 		/* F_CTL=10000 G_CTL=011 */  in horus3a_set_params()
244 	if (p->delivery_system == SYS_DVBS) {  in horus3a_set_params()
259 		else if (symbol_rate <= 10000)  in horus3a_set_params()
266 	} else if (p->delivery_system == SYS_DVBS2) {  in horus3a_set_params()
278 		else if (symbol_rate <= 10000)  in horus3a_set_params()
279 			fc_lpf = (u8)((symbol_rate * 11 + (10000-1)) / 10000);  in horus3a_set_params()
281 			fc_lpf = (u8)((symbol_rate * 3 + (5000-1)) / 5000 + 5);  in horus3a_set_params()
286 		dev_err(&priv->i2c->dev,  in horus3a_set_params()
288 			p->delivery_system);  in horus3a_set_params()
289 		return -EINVAL;  in horus3a_set_params()
291 	/* 0x00 - 0x04 */  in horus3a_set_params()
309 	priv->frequency = ms * 2 * 1000 / mixdiv;  in horus3a_set_params()
315 	struct horus3a_priv *priv = fe->tuner_priv;  in horus3a_get_frequency()
317 	*frequency = priv->frequency;  in horus3a_get_frequency()
345 	priv->i2c_address = (config->i2c_address >> 1);  in horus3a_attach()
346 	priv->i2c = i2c;  in horus3a_attach()
347 	priv->set_tuner_data = config->set_tuner_priv;  in horus3a_attach()
348 	priv->set_tuner = config->set_tuner_callback;  in horus3a_attach()
350 	if (fe->ops.i2c_gate_ctrl)  in horus3a_attach()
351 		fe->ops.i2c_gate_ctrl(fe, 1);  in horus3a_attach()
358 	buf[0] = config->xtal_freq_mhz;  in horus3a_attach()
359 	buf[1] = config->xtal_freq_mhz;  in horus3a_attach()
361 	/* 0x6 - 0x8 */  in horus3a_attach()
365 	switch (config->xtal_freq_mhz) {  in horus3a_attach()
377 		dev_warn(&priv->i2c->dev,  in horus3a_attach()
379 			config->xtal_freq_mhz);  in horus3a_attach()
387 	if (fe->ops.i2c_gate_ctrl)  in horus3a_attach()
388 		fe->ops.i2c_gate_ctrl(fe, 0);  in horus3a_attach()
390 	memcpy(&fe->ops.tuner_ops, &horus3a_tuner_ops,  in horus3a_attach()
392 	fe->tuner_priv = priv;  in horus3a_attach()
393 	dev_info(&priv->i2c->dev,  in horus3a_attach()
395 		priv->i2c_address, priv->i2c);  in horus3a_attach()