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V4L/DVB (6435): tda8290: add support for NXP TDA18271 tuner and TDA8295 analog demod

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Add basic support for NXP TDA8295 analog demod and TDA18271 tuner silicon.

TDA8295 + TDA8275a not yet tested.
TDA8290 + TDA18271 not yet supported.

Digital mode of TDA18271 not yet tested & needs more work.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Michael Krufky 2007-10-22 09:56:38 -03:00 committed by Mauro Carvalho Chehab
parent ce1f8bdb0c
commit 5bea1cd387
12 changed files with 1437 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Documentation/video4linux/CARDLIST.tuner
View File

@ -73,3 +73,4 @@ tuner=71 - Xceive xc2028/xc3028 tuner
tuner=72 - Thomson FE6600
tuner=73 - Samsung TCPG 6121P30A
tuner=75 - Philips TEA5761 FM Radio
tuner=76 - tda8295+18271

3
drivers/media/Kconfig
View File

@ -105,9 +105,10 @@ config TUNER_MT20XX
Say Y here to include support for the MT2032 / MT2050 tuner.
config TUNER_TDA8290
tristate "TDA 8290+8275(a) tuner combo"
tristate "TDA 8290/8295 + 8275(a)/18271 tuner combo"
depends on I2C
select DVB_TDA827X
select DVB_TDA18271
default m if VIDEO_TUNER_CUSTOMIZE
help
Say Y here to include support for Philips TDA8290+8275(a) tuner.

7
drivers/media/dvb/frontends/Kconfig
View File

@ -316,6 +316,13 @@ config DVB_TDA827X
help
A DVB-T silicon tuner module. Say Y when you want to support this tuner.
config DVB_TDA18271
tristate "NXP TDA18271 silicon tuner"
depends on I2C
default m if DVB_FE_CUSTOMISE
help
A silicon tuner module. Say Y when you want to support this tuner.
config DVB_TUNER_QT1010
tristate "Quantek QT1010 silicon tuner"
depends on DVB_CORE && I2C

1
drivers/media/dvb/frontends/Makefile
View File

@ -39,6 +39,7 @@ obj-$(CONFIG_DVB_ISL6421) += isl6421.o
obj-$(CONFIG_DVB_TDA10086) += tda10086.o
obj-$(CONFIG_DVB_TDA826X) += tda826x.o
obj-$(CONFIG_DVB_TDA827X) += tda827x.o
obj-$(CONFIG_DVB_TDA18271) += tda18271.o
obj-$(CONFIG_DVB_TUNER_MT2060) += mt2060.o
obj-$(CONFIG_DVB_TUNER_MT2266) += mt2266.o
obj-$(CONFIG_DVB_TUNER_DIB0070) += dib0070.o

1054
drivers/media/dvb/frontends/tda18271.c Normal file
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File diff suppressed because it is too large Load Diff

40
drivers/media/dvb/frontends/tda18271.h Normal file
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@ -0,0 +1,40 @@
/*
tda18271.h - header for the Philips / NXP TDA18271 silicon tuner
Copyright (C) 2007 Michael Krufky (mkrufky@linuxtv.org)
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.
*/
#ifndef __TDA18271_H__
#define __TDA18271_H__
#include <linux/i2c.h>
#include "dvb_frontend.h"
#if defined(CONFIG_DVB_TDA18271) || (defined(CONFIG_DVB_TDA18271_MODULE) && defined(MODULE))
extern struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe,
u8 addr,
struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
return NULL;
}
#endif
#endif /* __TDA18271_H__ */

319
drivers/media/video/tda8290.c
View File

@ -25,8 +25,9 @@
#include <linux/videodev.h>
#include "tda8290.h"
#include "tda827x.h"
#include "tda18271.h"
static int tuner_debug = 0;
static int tuner_debug;
module_param_named(debug, tuner_debug, int, 0644);
MODULE_PARM_DESC(debug, "enable verbose debug messages");
@ -65,6 +66,34 @@ static void tda8290_i2c_bridge(struct tuner *t, int close)
}
}
static void tda8295_i2c_bridge(struct tuner *t, int close)
{
struct tda8290_priv *priv = t->priv;
unsigned char enable[2] = { 0x45, 0xc1 };
unsigned char disable[2] = { 0x46, 0x00 };
unsigned char buf[3] = { 0x45, 0x01, 0x00 };
unsigned char *msg;
if (close) {
msg = enable;
tuner_i2c_xfer_send(&priv->i2c_props, msg, 2);
/* let the bridge stabilize */
msleep(20);
} else {
msg = disable;
tuner_i2c_xfer_send(&priv->i2c_props, msg, 1);
tuner_i2c_xfer_recv(&priv->i2c_props, &msg[1], 1);
buf[2] = msg[1];
buf[2] &= ~0x04;
tuner_i2c_xfer_send(&priv->i2c_props, buf, 3);
msleep(5);
msg[1] |= 0x04;
tuner_i2c_xfer_send(&priv->i2c_props, msg, 2);
}
}
/*---------------------------------------------------------------------*/
static void set_audio(struct tuner *t)
@ -233,6 +262,153 @@ static void tda8290_set_freq(struct tuner *t, unsigned int freq)
/*---------------------------------------------------------------------*/
static void tda8295_power(struct tuner *t, int enable)
{
struct tda8290_priv *priv = t->priv;
unsigned char buf[] = { 0x30, 0x00 }; /* clb_stdbt */
tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
if (enable)
buf[1] = 0x01;
else
buf[1] = 0x03;
tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
}
static void tda8295_set_easy_mode(struct tuner *t, int enable)
{
struct tda8290_priv *priv = t->priv;
unsigned char buf[] = { 0x01, 0x00 };
tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
if (enable)
buf[1] = 0x01; /* rising edge sets regs 0x02 - 0x23 */
else
buf[1] = 0x00; /* reset active bit */
tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
}
static void tda8295_set_video_std(struct tuner *t)
{
struct tda8290_priv *priv = t->priv;
unsigned char buf[] = { 0x00, priv->tda8290_easy_mode };
tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
tda8295_set_easy_mode(t, 1);
msleep(20);
tda8295_set_easy_mode(t, 0);
}
/*---------------------------------------------------------------------*/
static void tda8295_agc1_out(struct tuner *t, int enable)
{
struct tda8290_priv *priv = t->priv;
unsigned char buf[] = { 0x02, 0x00 }; /* DIV_FUNC */
tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1);
tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1);
if (enable)
buf[1] &= ~0x40;
else
buf[1] |= 0x40;
tuner_i2c_xfer_send(&priv->i2c_props, buf, 2);
}
static void tda8295_agc2_out(struct tuner *t, int enable)
{
struct tda8290_priv *priv = t->priv;
unsigned char set_gpio_cf[] = { 0x44, 0x00 };
unsigned char set_gpio_val[] = { 0x46, 0x00 };
tuner_i2c_xfer_send(&priv->i2c_props, &set_gpio_cf[0], 1);
tuner_i2c_xfer_recv(&priv->i2c_props, &set_gpio_cf[1], 1);
tuner_i2c_xfer_send(&priv->i2c_props, &set_gpio_val[0], 1);
tuner_i2c_xfer_recv(&priv->i2c_props, &set_gpio_val[1], 1);
set_gpio_cf[1] &= 0xf0; /* clear GPIO_0 bits 3-0 */
if (enable) {
set_gpio_cf[1] |= 0x01; /* config GPIO_0 as Open Drain Out */
set_gpio_val[1] &= 0xfe; /* set GPIO_0 pin low */
}
tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_cf, 2);
tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_val, 2);
}
static int tda8295_has_signal(struct tuner *t)
{
struct tda8290_priv *priv = t->priv;
unsigned char hvpll_stat = 0x26;
unsigned char ret;
tuner_i2c_xfer_send(&priv->i2c_props, &hvpll_stat, 1);
tuner_i2c_xfer_recv(&priv->i2c_props, &ret, 1);
return (ret & 0x01) ? 65535 : 0;
}
/*---------------------------------------------------------------------*/
static void tda8295_set_freq(struct tuner *t, unsigned int freq)
{
struct tda8290_priv *priv = t->priv;
u16 ifc;
unsigned char blanking_mode[] = { 0x1d, 0x00 };
struct analog_parameters params = {
.frequency = freq,
.mode = t->mode,
.audmode = t->audmode,
.std = t->std
};
set_audio(t);
ifc = priv->cfg.sgIF; /* FIXME */
tuner_dbg("%s: ifc = %u, freq = %d\n", __FUNCTION__, ifc, freq);
tda8295_power(t, 1);
tda8295_agc1_out(t, 1);
tuner_i2c_xfer_send(&priv->i2c_props, &blanking_mode[0], 1);
tuner_i2c_xfer_recv(&priv->i2c_props, &blanking_mode[1], 1);
tda8295_set_video_std(t);
blanking_mode[1] = 0x03;
tuner_i2c_xfer_send(&priv->i2c_props, blanking_mode, 2);
msleep(20);
tda8295_i2c_bridge(t, 1);
if (t->fe.ops.tuner_ops.set_analog_params)
t->fe.ops.tuner_ops.set_analog_params(&t->fe, &params);
if (priv->cfg.agcf)
priv->cfg.agcf(&t->fe);
if (tda8295_has_signal(t))
tuner_dbg("tda8295 is locked\n");
else
tuner_dbg("tda8295 not locked, no signal?\n");
tda8295_i2c_bridge(t, 0);
}
/*---------------------------------------------------------------------*/
static int tda8290_has_signal(struct tuner *t)
{
struct tda8290_priv *priv = t->priv;
@ -264,6 +440,13 @@ static void tda8290_standby(struct tuner *t)
tuner_i2c_xfer_send(&priv->i2c_props, tda8290_standby, 2);
}
static void tda8295_standby(struct tuner *t)
{
tda8295_agc1_out(t, 0); /* Put AGC in tri-state */
tda8295_power(t, 0);
}
static void tda8290_init_if(struct tuner *t)
{
struct tda8290_priv *priv = t->priv;
@ -279,6 +462,35 @@ static void tda8290_init_if(struct tuner *t)
tuner_i2c_xfer_send(&priv->i2c_props, set_VS, 2);
}
static void tda8295_init_if(struct tuner *t)
{
struct tda8290_priv *priv = t->priv;
static unsigned char set_adc_ctl[] = { 0x33, 0x14 };
static unsigned char set_adc_ctl2[] = { 0x34, 0x00 };
static unsigned char set_pll_reg6[] = { 0x3e, 0x63 };
static unsigned char set_pll_reg0[] = { 0x38, 0x23 };
static unsigned char set_pll_reg7[] = { 0x3f, 0x01 };
static unsigned char set_pll_reg10[] = { 0x42, 0x61 };
static unsigned char set_gpio_reg0[] = { 0x44, 0x0b };
tda8295_power(t, 1);
tda8295_set_easy_mode(t, 0);
tda8295_set_video_std(t);
tuner_i2c_xfer_send(&priv->i2c_props, set_adc_ctl, 2);
tuner_i2c_xfer_send(&priv->i2c_props, set_adc_ctl2, 2);
tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg6, 2);
tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg0, 2);
tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg7, 2);
tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg10, 2);
tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_reg0, 2);
tda8295_agc1_out(t, 0);
tda8295_agc2_out(t, 0);
}
static void tda8290_init_tuner(struct tuner *t)
{
struct tda8290_priv *priv = t->priv;
@ -298,7 +510,7 @@ static void tda8290_init_tuner(struct tuner *t)
/*---------------------------------------------------------------------*/
static void tda8290_release(struct tuner *t)
static void tda829x_release(struct tuner *t)
{
if (t->fe.ops.tuner_ops.release)
t->fe.ops.tuner_ops.release(&t->fe);
@ -312,7 +524,15 @@ static struct tuner_operations tda8290_tuner_ops = {
.set_radio_freq = tda8290_set_freq,
.has_signal = tda8290_has_signal,
.standby = tda8290_standby,
.release = tda8290_release,
.release = tda829x_release,
};
static struct tuner_operations tda8295_tuner_ops = {
.set_tv_freq = tda8295_set_freq,
.set_radio_freq = tda8295_set_freq,
.has_signal = tda8295_has_signal,
.standby = tda8295_standby,
.release = tda829x_release,
};
int tda8290_attach(struct tuner *t)
@ -403,6 +623,95 @@ int tda8290_attach(struct tuner *t)
tda8290_init_if(t);
return 0;
}
EXPORT_SYMBOL_GPL(tda8290_attach);
int tda8295_attach(struct tuner *t)
{
struct tda8290_priv *priv = NULL;
u8 data;
int i, ret, tuners_found;
u32 tuner_addrs;
struct i2c_msg msg = { .flags = I2C_M_RD, .buf = &data, .len = 1 };
priv = kzalloc(sizeof(struct tda8290_priv), GFP_KERNEL);
if (priv == NULL)
return -ENOMEM;
t->priv = priv;
priv->i2c_props.addr = t->i2c.addr;
priv->i2c_props.adap = t->i2c.adapter;
tda8295_i2c_bridge(t, 1);
/* probe for tuner chip */
tuners_found = 0;
tuner_addrs = 0;
for (i = 0x60; i <= 0x63; i++) {
msg.addr = i;
ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
if (ret == 1) {
tuners_found++;
tuner_addrs = (tuner_addrs << 8) + i;
}
}
/* if there is more than one tuner, we expect the right one is
behind the bridge and we choose the highest address that doesn't
give a response now
*/
tda8295_i2c_bridge(t, 0);
if (tuners_found > 1)
for (i = 0; i < tuners_found; i++) {
msg.addr = tuner_addrs & 0xff;
ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
if (ret == 1)
tuner_addrs = tuner_addrs >> 8;
else
break;
}
if (tuner_addrs == 0) {
tuner_addrs = 0x60;
tuner_info("could not clearly identify tuner address, "
"defaulting to %x\n", tuner_addrs);
} else {
tuner_addrs = tuner_addrs & 0xff;
tuner_info("setting tuner address to %x\n", tuner_addrs);
}
priv->tda827x_addr = tuner_addrs;
msg.addr = tuner_addrs;
tda8295_i2c_bridge(t, 1);
ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
tda8295_i2c_bridge(t, 0);
if (ret != 1)
tuner_warn("TDA827x access failed!\n");
if ((data & 0x3c) == 0) {
strlcpy(t->i2c.name, "tda8295+18271", sizeof(t->i2c.name));
tda18271_attach(&t->fe, priv->tda827x_addr,
priv->i2c_props.adap);
priv->tda827x_ver = 4;
} else {
strlcpy(t->i2c.name, "tda8295+75a", sizeof(t->i2c.name));
tda827x_attach(&t->fe, priv->tda827x_addr,
priv->i2c_props.adap, &priv->cfg);
/* FIXME: tda827x module doesn't probe the tuner until
* tda827x_initial_sleep is called
*/
if (t->fe.ops.tuner_ops.sleep)
t->fe.ops.tuner_ops.sleep(&t->fe);
priv->tda827x_ver = 2;
}
priv->tda827x_ver |= 1; /* signifies 8295 vs 8290 */
tuner_info("type set to %s\n", t->i2c.name);
memcpy(&t->ops, &tda8295_tuner_ops, sizeof(struct tuner_operations));
priv->cfg.tda827x_lpsel = 0;
t->mode = V4L2_TUNER_ANALOG_TV;
tda8295_init_if(t);
return 0;
}
EXPORT_SYMBOL_GPL(tda8295_attach);
int tda8290_probe(struct tuner *t)
{
@ -434,12 +743,10 @@ int tda8290_probe(struct tuner *t)
tuner_i2c_xfer_send(&i2c_props, restore_9886, 3);
return -1;
}
EXPORT_SYMBOL_GPL(tda8290_probe);
EXPORT_SYMBOL_GPL(tda8290_attach);
MODULE_DESCRIPTION("Philips TDA8290 + TDA8275 / TDA8275a tuner driver");
MODULE_AUTHOR("Gerd Knorr, Hartmut Hackmann");
MODULE_AUTHOR("Gerd Knorr, Hartmut Hackmann, Michael Krufky");
MODULE_LICENSE("GPL");
/*

8
drivers/media/video/tda8290.h
View File

@ -24,6 +24,7 @@
extern int tda8290_probe(struct tuner *t);
extern int tda8290_attach(struct tuner *t);
extern int tda8295_attach(struct tuner *t);
#else
static inline int tda8290_probe(struct tuner *t)
{
@ -37,6 +38,13 @@ static inline int tda8290_attach(struct tuner *t)
__FUNCTION__);
return -EINVAL;
}
static inline int tda8295_attach(struct tuner *t)
{
printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
__FUNCTION__);
return -EINVAL;
}
#endif
#endif /* __TDA8290_H__ */

5
drivers/media/video/tuner-core.c
View File

@ -278,6 +278,11 @@ static void set_type(struct i2c_client *c, unsigned int type,
tda8290_attach(t);
break;
}
case TUNER_PHILIPS_TDA8295:
{
tda8295_attach(t);
break;
}
case TUNER_TEA5767:
if (tea5767_attach(&t->fe, t->i2c.adapter, t->i2c.addr) == NULL) {
t->type = TUNER_ABSENT;

3
drivers/media/video/tuner-types.c
View File

@ -1475,6 +1475,9 @@ struct tunertype tuners[] = {
.name = "Philips TEA5761 FM Radio",
/* see tea5767.c for details */
},
[TUNER_PHILIPS_TDA8295] = { /* Philips PAL|NTSC */
.name = "tda8295+18271",
/* see tda8290.c for details */ },
};
unsigned const int tuner_count = ARRAY_SIZE(tuners);

2
drivers/media/video/tveeprom.c
View File

@ -257,7 +257,7 @@ hauppauge_tuner[] =
{ TUNER_ABSENT, "LG TAPQ_H702F"},
{ TUNER_ABSENT, "TCL M09WPP_4N_E"},
{ TUNER_ABSENT, "MaxLinear MXL5005_v2"},
{ TUNER_ABSENT, "Philips 18271_8295"},
{ TUNER_PHILIPS_TDA8295, "Philips 18271_8295"},
};
static struct HAUPPAUGE_AUDIOIC

2
include/media/tuner.h
View File

@ -124,6 +124,8 @@ extern int tuner_debug;
#define TUNER_TDA9887 74 /* This tuner should be used only internally */
#define TUNER_TEA5761 75 /* Only FM Radio Tuner */
#define TUNER_PHILIPS_TDA8295 76
/* tv card specific */
#define TDA9887_PRESENT (1<<0)
#define TDA9887_PORT1_INACTIVE (1<<1)