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Diffstat (limited to 'drivers/media/dvb/frontends/tda665x.c')
-rw-r--r--drivers/media/dvb/frontends/tda665x.c258
1 files changed, 0 insertions, 258 deletions
diff --git a/drivers/media/dvb/frontends/tda665x.c b/drivers/media/dvb/frontends/tda665x.c
deleted file mode 100644
index 2c1c759a4f42..000000000000
--- a/drivers/media/dvb/frontends/tda665x.c
+++ /dev/null
@@ -1,258 +0,0 @@
-/*
- TDA665x tuner driver
- Copyright (C) Manu Abraham (abraham.manu@gmail.com)
-
- 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., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-
-#include "dvb_frontend.h"
-#include "tda665x.h"
-
-struct tda665x_state {
- struct dvb_frontend *fe;
- struct i2c_adapter *i2c;
- const struct tda665x_config *config;
-
- u32 frequency;
- u32 bandwidth;
-};
-
-static int tda665x_read(struct tda665x_state *state, u8 *buf)
-{
- const struct tda665x_config *config = state->config;
- int err = 0;
- struct i2c_msg msg = { .addr = config->addr, .flags = I2C_M_RD, .buf = buf, .len = 2 };
-
- err = i2c_transfer(state->i2c, &msg, 1);
- if (err != 1)
- goto exit;
-
- return err;
-exit:
- printk(KERN_ERR "%s: I/O Error err=<%d>\n", __func__, err);
- return err;
-}
-
-static int tda665x_write(struct tda665x_state *state, u8 *buf, u8 length)
-{
- const struct tda665x_config *config = state->config;
- int err = 0;
- struct i2c_msg msg = { .addr = config->addr, .flags = 0, .buf = buf, .len = length };
-
- err = i2c_transfer(state->i2c, &msg, 1);
- if (err != 1)
- goto exit;
-
- return err;
-exit:
- printk(KERN_ERR "%s: I/O Error err=<%d>\n", __func__, err);
- return err;
-}
-
-static int tda665x_get_state(struct dvb_frontend *fe,
- enum tuner_param param,
- struct tuner_state *tstate)
-{
- struct tda665x_state *state = fe->tuner_priv;
- int err = 0;
-
- switch (param) {
- case DVBFE_TUNER_FREQUENCY:
- tstate->frequency = state->frequency;
- break;
- case DVBFE_TUNER_BANDWIDTH:
- break;
- default:
- printk(KERN_ERR "%s: Unknown parameter (param=%d)\n", __func__, param);
- err = -EINVAL;
- break;
- }
-
- return err;
-}
-
-static int tda665x_get_status(struct dvb_frontend *fe, u32 *status)
-{
- struct tda665x_state *state = fe->tuner_priv;
- u8 result = 0;
- int err = 0;
-
- *status = 0;
-
- err = tda665x_read(state, &result);
- if (err < 0)
- goto exit;
-
- if ((result >> 6) & 0x01) {
- printk(KERN_DEBUG "%s: Tuner Phase Locked\n", __func__);
- *status = 1;
- }
-
- return err;
-exit:
- printk(KERN_ERR "%s: I/O Error\n", __func__);
- return err;
-}
-
-static int tda665x_set_state(struct dvb_frontend *fe,
- enum tuner_param param,
- struct tuner_state *tstate)
-{
- struct tda665x_state *state = fe->tuner_priv;
- const struct tda665x_config *config = state->config;
- u32 frequency, status = 0;
- u8 buf[4];
- int err = 0;
-
- if (param & DVBFE_TUNER_FREQUENCY) {
-
- frequency = tstate->frequency;
- if ((frequency < config->frequency_max) || (frequency > config->frequency_min)) {
- printk(KERN_ERR "%s: Frequency beyond limits, frequency=%d\n", __func__, frequency);
- return -EINVAL;
- }
-
- frequency += config->frequency_offst;
- frequency *= config->ref_multiplier;
- frequency += config->ref_divider >> 1;
- frequency /= config->ref_divider;
-
- buf[0] = (u8) ((frequency & 0x7f00) >> 8);
- buf[1] = (u8) (frequency & 0x00ff) >> 0;
- buf[2] = 0x80 | 0x40 | 0x02;
- buf[3] = 0x00;
-
- /* restore frequency */
- frequency = tstate->frequency;
-
- if (frequency < 153000000) {
- /* VHF-L */
- buf[3] |= 0x01; /* fc, Low Band, 47 - 153 MHz */
- if (frequency < 68000000)
- buf[3] |= 0x40; /* 83uA */
- if (frequency < 1040000000)
- buf[3] |= 0x60; /* 122uA */
- if (frequency < 1250000000)
- buf[3] |= 0x80; /* 163uA */
- else
- buf[3] |= 0xa0; /* 254uA */
- } else if (frequency < 438000000) {
- /* VHF-H */
- buf[3] |= 0x02; /* fc, Mid Band, 153 - 438 MHz */
- if (frequency < 230000000)
- buf[3] |= 0x40;
- if (frequency < 300000000)
- buf[3] |= 0x60;
- else
- buf[3] |= 0x80;
- } else {
- /* UHF */
- buf[3] |= 0x04; /* fc, High Band, 438 - 862 MHz */
- if (frequency < 470000000)
- buf[3] |= 0x60;
- if (frequency < 526000000)
- buf[3] |= 0x80;
- else
- buf[3] |= 0xa0;
- }
-
- /* Set params */
- err = tda665x_write(state, buf, 5);
- if (err < 0)
- goto exit;
-
- /* sleep for some time */
- printk(KERN_DEBUG "%s: Waiting to Phase LOCK\n", __func__);
- msleep(20);
- /* check status */
- err = tda665x_get_status(fe, &status);
- if (err < 0)
- goto exit;
-
- if (status == 1) {
- printk(KERN_DEBUG "%s: Tuner Phase locked: status=%d\n", __func__, status);
- state->frequency = frequency; /* cache successful state */
- } else {
- printk(KERN_ERR "%s: No Phase lock: status=%d\n", __func__, status);
- }
- } else {
- printk(KERN_ERR "%s: Unknown parameter (param=%d)\n", __func__, param);
- return -EINVAL;
- }
-
- return 0;
-exit:
- printk(KERN_ERR "%s: I/O Error\n", __func__);
- return err;
-}
-
-static int tda665x_release(struct dvb_frontend *fe)
-{
- struct tda665x_state *state = fe->tuner_priv;
-
- fe->tuner_priv = NULL;
- kfree(state);
- return 0;
-}
-
-static struct dvb_tuner_ops tda665x_ops = {
-
- .set_state = tda665x_set_state,
- .get_state = tda665x_get_state,
- .get_status = tda665x_get_status,
- .release = tda665x_release
-};
-
-struct dvb_frontend *tda665x_attach(struct dvb_frontend *fe,
- const struct tda665x_config *config,
- struct i2c_adapter *i2c)
-{
- struct tda665x_state *state = NULL;
- struct dvb_tuner_info *info;
-
- state = kzalloc(sizeof(struct tda665x_state), GFP_KERNEL);
- if (state == NULL)
- goto exit;
-
- state->config = config;
- state->i2c = i2c;
- state->fe = fe;
- fe->tuner_priv = state;
- fe->ops.tuner_ops = tda665x_ops;
- info = &fe->ops.tuner_ops.info;
-
- memcpy(info->name, config->name, sizeof(config->name));
- info->frequency_min = config->frequency_min;
- info->frequency_max = config->frequency_max;
- info->frequency_step = config->frequency_offst;
-
- printk(KERN_DEBUG "%s: Attaching TDA665x (%s) tuner\n", __func__, info->name);
-
- return fe;
-
-exit:
- kfree(state);
- return NULL;
-}
-EXPORT_SYMBOL(tda665x_attach);
-
-MODULE_DESCRIPTION("TDA665x driver");
-MODULE_AUTHOR("Manu Abraham");
-MODULE_LICENSE("GPL");
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