46 static void horus3a_i2c_debug(struct horus3a_priv *priv,  in horus3a_i2c_debug()  argument
49 	dev_dbg(&priv->i2c->dev, "horus3a: I2C %s reg 0x%02x size %d\n",  in horus3a_i2c_debug()
55 static int horus3a_write_regs(struct horus3a_priv *priv,  in horus3a_write_regs()  argument
62 			.addr = priv->i2c_address,  in horus3a_write_regs()
70 		dev_warn(&priv->i2c->dev,"wr reg=%04x: len=%d is too big!\n",  in horus3a_write_regs()
75 	horus3a_i2c_debug(priv, reg, 1, data, len);  in horus3a_write_regs()
78 	ret = i2c_transfer(priv->i2c, msg, 1);  in horus3a_write_regs()
82 		dev_warn(&priv->i2c->dev,  in horus3a_write_regs()
90 static int horus3a_write_reg(struct horus3a_priv *priv, u8 reg, u8 val)  in horus3a_write_reg()  argument
92 	return horus3a_write_regs(priv, reg, &val, 1);  in horus3a_write_reg()
95 static int horus3a_enter_power_save(struct horus3a_priv *priv)  in horus3a_enter_power_save()  argument
99 	dev_dbg(&priv->i2c->dev, "%s()\n", __func__);  in horus3a_enter_power_save()
100 	if (priv->state == STATE_SLEEP)  in horus3a_enter_power_save()
103 	horus3a_write_reg(priv, 0x2a, 0x79);  in horus3a_enter_power_save()
105 	horus3a_write_reg(priv, 0x29, 0x70);  in horus3a_enter_power_save()
107 	horus3a_write_reg(priv, 0x28, 0x3e);  in horus3a_enter_power_save()
109 	horus3a_write_reg(priv, 0x2a, 0x19);  in horus3a_enter_power_save()
111 	horus3a_write_reg(priv, 0x1c, 0x00);  in horus3a_enter_power_save()
117 	horus3a_write_regs(priv, 0x11, data, sizeof(data));  in horus3a_enter_power_save()
118 	priv->state = STATE_SLEEP;  in horus3a_enter_power_save()
122 static int horus3a_leave_power_save(struct horus3a_priv *priv)  in horus3a_leave_power_save()  argument
126 	dev_dbg(&priv->i2c->dev, "%s()\n", __func__);  in horus3a_leave_power_save()
127 	if (priv->state == STATE_ACTIVE)  in horus3a_leave_power_save()
134 	horus3a_write_regs(priv, 0x11, data, sizeof(data));  in horus3a_leave_power_save()
136 	horus3a_write_reg(priv, 0x2a, 0x79);  in horus3a_leave_power_save()
138 	horus3a_write_reg(priv, 0x1c, 0xc0);  in horus3a_leave_power_save()
140 	horus3a_write_reg(priv, 0x29, 0x71);  in horus3a_leave_power_save()
142 	priv->state = STATE_ACTIVE;  in horus3a_leave_power_save()
148 	struct horus3a_priv *priv = fe->tuner_priv;  in horus3a_init()  local
150 	dev_dbg(&priv->i2c->dev, "%s()\n", __func__);  in horus3a_init()
156 	struct horus3a_priv *priv = fe->tuner_priv;  in horus3a_release()  local
158 	dev_dbg(&priv->i2c->dev, "%s()\n", __func__);  in horus3a_release()
166 	struct horus3a_priv *priv = fe->tuner_priv;  in horus3a_sleep()  local
168 	dev_dbg(&priv->i2c->dev, "%s()\n", __func__);  in horus3a_sleep()
169 	horus3a_enter_power_save(priv);  in horus3a_sleep()
176 	struct horus3a_priv *priv = fe->tuner_priv;  in horus3a_set_params()  local
187 	dev_dbg(&priv->i2c->dev, "%s(): frequency %dkHz symbol_rate %dksps\n",  in horus3a_set_params()
189 	if (priv->set_tuner)  in horus3a_set_params()
190 		priv->set_tuner(priv->set_tuner_data, 0);  in horus3a_set_params()
191 	if (priv->state == STATE_SLEEP)  in horus3a_set_params()
192 		horus3a_leave_power_save(priv);  in horus3a_set_params()
206 		dev_err(&priv->i2c->dev, "horus3a: invalid frequency %d\n",  in horus3a_set_params()
289 			dev_err(&priv->i2c->dev,  in horus3a_set_params()
314 		dev_err(&priv->i2c->dev,  in horus3a_set_params()
325 	horus3a_write_regs(priv, 0x00, data, sizeof(data));  in horus3a_set_params()
327 	horus3a_write_reg(priv, 0x09, (u8)((g_ctl << 5) | f_ctl));  in horus3a_set_params()
329 	horus3a_write_reg(priv, 0x37, (u8)(0x80 | (fc_lpf << 1)));  in horus3a_set_params()
331 	horus3a_write_reg(priv, 0x05, 0x80);  in horus3a_set_params()
333 	horus3a_write_reg(priv, 0x2a, 0x7b);  in horus3a_set_params()
337 	priv->frequency = ms * 2 * 1000 / mixdiv;  in horus3a_set_params()
343 	struct horus3a_priv *priv = fe->tuner_priv;  in horus3a_get_frequency()  local
345 	*frequency = priv->frequency;  in horus3a_get_frequency()
368 	struct horus3a_priv *priv = NULL;  in horus3a_attach()  local
370 	priv = kzalloc(sizeof(struct horus3a_priv), GFP_KERNEL);  in horus3a_attach()
371 	if (priv == NULL)  in horus3a_attach()
373 	priv->i2c_address = (config->i2c_address >> 1);  in horus3a_attach()
374 	priv->i2c = i2c;  in horus3a_attach()
375 	priv->set_tuner_data = config->set_tuner_priv;  in horus3a_attach()
376 	priv->set_tuner = config->set_tuner_callback;  in horus3a_attach()
384 	horus3a_write_reg(priv, 0x2a, 0x79);  in horus3a_attach()
390 	horus3a_write_regs(priv, 0x6, buf, 3);  in horus3a_attach()
392 	horus3a_write_reg(priv, 0x0a, 0x40);  in horus3a_attach()
405 		dev_warn(&priv->i2c->dev,  in horus3a_attach()
411 	horus3a_write_reg(priv, 0x0e, val);  in horus3a_attach()
412 	horus3a_enter_power_save(priv);  in horus3a_attach()
420 	fe->tuner_priv = priv;  in horus3a_attach()
421 	dev_info(&priv->i2c->dev,  in horus3a_attach()
423 		priv->i2c_address, priv->i2c);  in horus3a_attach()