|
|
@@ -0,0 +1,215 @@
|
|
|
+/*
|
|
|
+ * Infineon TUA 9001 silicon tuner driver
|
|
|
+ *
|
|
|
+ * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
|
|
|
+ *
|
|
|
+ * This program is free software; you can redistribute it and/or modify
|
|
|
+ * it under the terms of the GNU General Public License as published by
|
|
|
+ * the Free Software Foundation; either version 2 of the License, or
|
|
|
+ * (at your option) any later version.
|
|
|
+ *
|
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
+ * GNU General Public License for more details.
|
|
|
+ *
|
|
|
+ * You should have received a copy of the GNU General Public License along
|
|
|
+ * with this program; if not, write to the Free Software Foundation, Inc.,
|
|
|
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
+ */
|
|
|
+
|
|
|
+#include "tua9001.h"
|
|
|
+#include "tua9001_priv.h"
|
|
|
+
|
|
|
+/* write register */
|
|
|
+static int tua9001_wr_reg(struct tua9001_priv *priv, u8 reg, u16 val)
|
|
|
+{
|
|
|
+ int ret;
|
|
|
+ u8 buf[3] = { reg, (val >> 8) & 0xff, (val >> 0) & 0xff };
|
|
|
+ struct i2c_msg msg[1] = {
|
|
|
+ {
|
|
|
+ .addr = priv->cfg->i2c_addr,
|
|
|
+ .flags = 0,
|
|
|
+ .len = sizeof(buf),
|
|
|
+ .buf = buf,
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ ret = i2c_transfer(priv->i2c, msg, 1);
|
|
|
+ if (ret == 1) {
|
|
|
+ ret = 0;
|
|
|
+ } else {
|
|
|
+ printk(KERN_WARNING "%s: I2C wr failed=%d reg=%02x\n",
|
|
|
+ __func__, ret, reg);
|
|
|
+ ret = -EREMOTEIO;
|
|
|
+ }
|
|
|
+
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static int tua9001_release(struct dvb_frontend *fe)
|
|
|
+{
|
|
|
+ kfree(fe->tuner_priv);
|
|
|
+ fe->tuner_priv = NULL;
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int tua9001_init(struct dvb_frontend *fe)
|
|
|
+{
|
|
|
+ struct tua9001_priv *priv = fe->tuner_priv;
|
|
|
+ int ret = 0;
|
|
|
+ u8 i;
|
|
|
+ struct reg_val data[] = {
|
|
|
+ { 0x1e, 0x6512 },
|
|
|
+ { 0x25, 0xb888 },
|
|
|
+ { 0x39, 0x5460 },
|
|
|
+ { 0x3b, 0x00c0 },
|
|
|
+ { 0x3a, 0xf000 },
|
|
|
+ { 0x08, 0x0000 },
|
|
|
+ { 0x32, 0x0030 },
|
|
|
+ { 0x41, 0x703a },
|
|
|
+ { 0x40, 0x1c78 },
|
|
|
+ { 0x2c, 0x1c00 },
|
|
|
+ { 0x36, 0xc013 },
|
|
|
+ { 0x37, 0x6f18 },
|
|
|
+ { 0x27, 0x0008 },
|
|
|
+ { 0x2a, 0x0001 },
|
|
|
+ { 0x34, 0x0a40 },
|
|
|
+ };
|
|
|
+
|
|
|
+ if (fe->ops.i2c_gate_ctrl)
|
|
|
+ fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c-gate */
|
|
|
+
|
|
|
+ for (i = 0; i < ARRAY_SIZE(data); i++) {
|
|
|
+ ret = tua9001_wr_reg(priv, data[i].reg, data[i].val);
|
|
|
+ if (ret)
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (fe->ops.i2c_gate_ctrl)
|
|
|
+ fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c-gate */
|
|
|
+
|
|
|
+ if (ret < 0)
|
|
|
+ pr_debug("%s: failed=%d\n", __func__, ret);
|
|
|
+
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static int tua9001_set_params(struct dvb_frontend *fe)
|
|
|
+{
|
|
|
+ struct tua9001_priv *priv = fe->tuner_priv;
|
|
|
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
|
|
|
+ int ret, i;
|
|
|
+ u16 val;
|
|
|
+ u32 frequency;
|
|
|
+ struct reg_val data[2];
|
|
|
+
|
|
|
+ pr_debug("%s: delivery_system=%d frequency=%d bandwidth_hz=%d\n",
|
|
|
+ __func__, c->delivery_system, c->frequency,
|
|
|
+ c->bandwidth_hz);
|
|
|
+
|
|
|
+ switch (c->delivery_system) {
|
|
|
+ case SYS_DVBT:
|
|
|
+ switch (c->bandwidth_hz) {
|
|
|
+ case 8000000:
|
|
|
+ val = 0x0000;
|
|
|
+ break;
|
|
|
+ case 7000000:
|
|
|
+ val = 0x1000;
|
|
|
+ break;
|
|
|
+ case 6000000:
|
|
|
+ val = 0x2000;
|
|
|
+ break;
|
|
|
+ case 5000000:
|
|
|
+ val = 0x3000;
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ ret = -EINVAL;
|
|
|
+ goto err;
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ ret = -EINVAL;
|
|
|
+ goto err;
|
|
|
+ }
|
|
|
+
|
|
|
+ data[0].reg = 0x04;
|
|
|
+ data[0].val = val;
|
|
|
+
|
|
|
+ frequency = (c->frequency - 150000000);
|
|
|
+ frequency /= 100;
|
|
|
+ frequency *= 48;
|
|
|
+ frequency /= 10000;
|
|
|
+
|
|
|
+ data[1].reg = 0x1f;
|
|
|
+ data[1].val = frequency;
|
|
|
+
|
|
|
+ if (fe->ops.i2c_gate_ctrl)
|
|
|
+ fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c-gate */
|
|
|
+
|
|
|
+ for (i = 0; i < ARRAY_SIZE(data); i++) {
|
|
|
+ ret = tua9001_wr_reg(priv, data[i].reg, data[i].val);
|
|
|
+ if (ret < 0)
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (fe->ops.i2c_gate_ctrl)
|
|
|
+ fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c-gate */
|
|
|
+
|
|
|
+err:
|
|
|
+ if (ret < 0)
|
|
|
+ pr_debug("%s: failed=%d\n", __func__, ret);
|
|
|
+
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static int tua9001_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
|
|
|
+{
|
|
|
+ *frequency = 0; /* Zero-IF */
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static const struct dvb_tuner_ops tua9001_tuner_ops = {
|
|
|
+ .info = {
|
|
|
+ .name = "Infineon TUA 9001",
|
|
|
+
|
|
|
+ .frequency_min = 170000000,
|
|
|
+ .frequency_max = 862000000,
|
|
|
+ .frequency_step = 0,
|
|
|
+ },
|
|
|
+
|
|
|
+ .release = tua9001_release,
|
|
|
+
|
|
|
+ .init = tua9001_init,
|
|
|
+ .set_params = tua9001_set_params,
|
|
|
+
|
|
|
+ .get_if_frequency = tua9001_get_if_frequency,
|
|
|
+};
|
|
|
+
|
|
|
+struct dvb_frontend *tua9001_attach(struct dvb_frontend *fe,
|
|
|
+ struct i2c_adapter *i2c, struct tua9001_config *cfg)
|
|
|
+{
|
|
|
+ struct tua9001_priv *priv = NULL;
|
|
|
+
|
|
|
+ priv = kzalloc(sizeof(struct tua9001_priv), GFP_KERNEL);
|
|
|
+ if (priv == NULL)
|
|
|
+ return NULL;
|
|
|
+
|
|
|
+ priv->cfg = cfg;
|
|
|
+ priv->i2c = i2c;
|
|
|
+
|
|
|
+ printk(KERN_INFO "Infineon TUA 9001 successfully attached.");
|
|
|
+
|
|
|
+ memcpy(&fe->ops.tuner_ops, &tua9001_tuner_ops,
|
|
|
+ sizeof(struct dvb_tuner_ops));
|
|
|
+
|
|
|
+ fe->tuner_priv = priv;
|
|
|
+ return fe;
|
|
|
+}
|
|
|
+EXPORT_SYMBOL(tua9001_attach);
|
|
|
+
|
|
|
+MODULE_DESCRIPTION("Infineon TUA 9001 silicon tuner driver");
|
|
|
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
|
|
|
+MODULE_LICENSE("GPL");
|
Antti Palosaari