diff options
Diffstat (limited to 'drivers/media/common/tuners/tua9001.c')
| -rw-r--r-- | drivers/media/common/tuners/tua9001.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/drivers/media/common/tuners/tua9001.c b/drivers/media/common/tuners/tua9001.c deleted file mode 100644 index de26070..0000000 --- a/drivers/media/common/tuners/tua9001.c +++ /dev/null @@ -1,215 +0,0 @@ -/* - * 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"); |