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Commit 910bb3e3 authored by Michael Krufky's avatar Michael Krufky Committed by Mauro Carvalho Chehab
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V4L/DVB (6129): tda8290: convert from tuner sub-driver into dvb_frontend module 

Signed-off-by: default avatarMichael Krufky <mkrufky@linuxtv.org>
Acked-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Acked-by: default avatarMike Isely <isely@pobox.com>
Acked-by: default avatarSteven Toth <stoth@hauppauge.com>
Acked-by: default avatarPatrick Boettcher <pb@linuxtv.org>
Acked-by: default avatarJarod Wilson <jwilson@redhat.com>
Acked-by: default avatarTrent Piepho <xyzzy@speakeasy.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent e18f9444
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Showing with 270 additions and 151 deletions
drivers/media/video/tda8290.c
View file @ 910bb3e3
......@@ -16,12 +16,21 @@
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.
This "tda8290" module was split apart from the original "tuner" module.
*/
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/videodev.h>
#include "tuner-driver.h"
#include "tuner-i2c.h"
#include "tda8290.h"
static int debug = 0;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "enable verbose debug messages");
#define PREFIX "tda8290 "
/* ---------------------------------------------------------------------- */
......@@ -33,6 +42,11 @@ struct tda8290_priv {
unsigned char tda827x_addr;
unsigned char tda827x_ver;
unsigned int sgIF;
u32 frequency;
unsigned int *lna_cfg;
int (*tuner_callback) (void *dev, int command,int arg);
};
/* ---------------------------------------------------------------------- */
......@@ -81,19 +95,21 @@ static struct tda827x_data tda827x_analog[] = {
{ .lomax = 0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0} /* End */
};
static void tda827x_tune(struct tuner *t, u16 ifc, unsigned int freq)
static void tda827x_set_analog_params(struct dvb_frontend *fe,
struct analog_parameters *params)
{
unsigned char tuner_reg[8];
unsigned char reg2[2];
u32 N;
int i;
struct tda8290_priv *priv = t->priv;
struct tda8290_priv *priv = fe->tuner_priv;
struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0};
unsigned int freq = params->frequency;
if (t->mode == V4L2_TUNER_RADIO)
if (params->mode == V4L2_TUNER_RADIO)
freq = freq / 1000;
N = freq + ifc;
N = freq + priv->sgIF;
i = 0;
while (tda827x_analog[i].lomax < N) {
if(tda827x_analog[i + 1].lomax == 0)
......@@ -155,9 +171,9 @@ static void tda827x_tune(struct tuner *t, u16 ifc, unsigned int freq)
i2c_transfer(priv->i2c_props.adap, &msg, 1);
}
static void tda827x_agcf(struct tuner *t)
static void tda827x_agcf(struct dvb_frontend *fe)
{
struct tda8290_priv *priv = t->priv;
struct tda8290_priv *priv = fe->tuner_priv;
unsigned char data[] = {0x80, 0x0c};
struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data,
.flags = 0, .len = 2};
......@@ -204,57 +220,64 @@ static struct tda827xa_data tda827xa_analog[] = {
{ .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} /* End */
};
static void tda827xa_lna_gain(struct tuner *t, int high)
static void tda827xa_lna_gain(struct dvb_frontend *fe, int high,
struct analog_parameters *params)
{
struct tda8290_priv *priv = t->priv;
struct tda8290_priv *priv = fe->tuner_priv;
unsigned char buf[] = {0x22, 0x01};
int arg;
struct i2c_msg msg = {.addr = priv->i2c_props.addr, .flags = 0, .buf = buf, .len = sizeof(buf)};
if (t->config) {
if ((priv->lna_cfg == NULL) || (priv->tuner_callback == NULL))
return;
if (*priv->lna_cfg) {
if (high)
tuner_dbg("setting LNA to high gain\n");
else
tuner_dbg("setting LNA to low gain\n");
}
switch (t->config) {
switch (*priv->lna_cfg) {
case 0: /* no LNA */
break;
case 1: /* switch is GPIO 0 of tda8290 */
case 2:
/* turn Vsync on */
if (t->std & V4L2_STD_MN)
if (params->std & V4L2_STD_MN)
arg = 1;
else
arg = 0;
if (t->tuner_callback)
t->tuner_callback(priv->i2c_props.adap->algo_data, 1, arg);
if (priv->tuner_callback)
priv->tuner_callback(priv->i2c_props.adap->algo_data, 1, arg);
buf[1] = high ? 0 : 1;
if (t->config == 2)
if (*priv->lna_cfg == 2)
buf[1] = high ? 1 : 0;
i2c_transfer(priv->i2c_props.adap, &msg, 1);
break;
case 3: /* switch with GPIO of saa713x */
if (t->tuner_callback)
t->tuner_callback(priv->i2c_props.adap->algo_data, 0, high);
if (priv->tuner_callback)
priv->tuner_callback(priv->i2c_props.adap->algo_data, 0, high);
break;
}
}
static void tda827xa_tune(struct tuner *t, u16 ifc, unsigned int freq)
static void tda827xa_set_analog_params(struct dvb_frontend *fe,
struct analog_parameters *params)
{
unsigned char tuner_reg[11];
u32 N;
int i;
struct tda8290_priv *priv = t->priv;
struct tda8290_priv *priv = fe->tuner_priv;
struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0, .buf = tuner_reg};
unsigned int freq = params->frequency;
tda827xa_lna_gain(t, 1);
tda827xa_lna_gain(fe, 1, params);
msleep(10);
if (t->mode == V4L2_TUNER_RADIO)
if (params->mode == V4L2_TUNER_RADIO)
freq = freq / 1000;
N = freq + ifc;
N = freq + priv->sgIF;
i = 0;
while (tda827xa_analog[i].lomax < N) {
if(tda827xa_analog[i + 1].lomax == 0)
......@@ -302,7 +325,7 @@ static void tda827xa_tune(struct tuner *t, u16 ifc, unsigned int freq)
tuner_reg[1] >>= 4;
tuner_dbg("AGC2 gain is: %d\n", tuner_reg[1]);
if (tuner_reg[1] < 1)
tda827xa_lna_gain(t, 0);
tda827xa_lna_gain(fe, 0, params);
msleep(100);
tuner_reg[0] = 0x60;
......@@ -327,9 +350,9 @@ static void tda827xa_tune(struct tuner *t, u16 ifc, unsigned int freq)
i2c_transfer(priv->i2c_props.adap, &msg, 1);
}
static void tda827xa_agcf(struct tuner *t)
static void tda827xa_agcf(struct dvb_frontend *fe)
{
struct tda8290_priv *priv = t->priv;
struct tda8290_priv *priv = fe->tuner_priv;
unsigned char data[] = {0x80, 0x2c};
struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data,
.flags = 0, .len = 2};
......@@ -338,9 +361,9 @@ static void tda827xa_agcf(struct tuner *t)
/*---------------------------------------------------------------------*/
static void tda8290_i2c_bridge(struct tuner *t, int close)
static void tda8290_i2c_bridge(struct dvb_frontend *fe, int close)
{
struct tda8290_priv *priv = t->priv;
struct tda8290_priv *priv = fe->tuner_priv;
unsigned char enable[2] = { 0x21, 0xC0 };
unsigned char disable[2] = { 0x21, 0x00 };
......@@ -358,9 +381,58 @@ static void tda8290_i2c_bridge(struct tuner *t, int close)
/*---------------------------------------------------------------------*/
static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq)
static void set_audio(struct dvb_frontend *fe,
struct analog_parameters *params)
{
struct tda8290_priv *priv = t->priv;
struct tda8290_priv *priv = fe->tuner_priv;
char* mode;
priv->tda827x_lpsel = 0;
if (params->std & V4L2_STD_MN) {
priv->sgIF = 92;
priv->tda8290_easy_mode = 0x01;
priv->tda827x_lpsel = 1;
mode = "MN";
} else if (params->std & V4L2_STD_B) {
priv->sgIF = 108;
priv->tda8290_easy_mode = 0x02;
mode = "B";
} else if (params->std & V4L2_STD_GH) {
priv->sgIF = 124;
priv->tda8290_easy_mode = 0x04;
mode = "GH";
} else if (params->std & V4L2_STD_PAL_I) {
priv->sgIF = 124;
priv->tda8290_easy_mode = 0x08;
mode = "I";
} else if (params->std & V4L2_STD_DK) {
priv->sgIF = 124;
priv->tda8290_easy_mode = 0x10;
mode = "DK";
} else if (params->std & V4L2_STD_SECAM_L) {
priv->sgIF = 124;
priv->tda8290_easy_mode = 0x20;
mode = "L";
} else if (params->std & V4L2_STD_SECAM_LC) {
priv->sgIF = 20;
priv->tda8290_easy_mode = 0x40;
mode = "LC";
} else {
priv->sgIF = 124;
priv->tda8290_easy_mode = 0x10;
mode = "xx";
}
if (params->mode == V4L2_TUNER_RADIO)
priv->sgIF = 88; /* if frequency is 5.5 MHz */
tuner_dbg("setting tda8290 to system %s\n", mode);
}
static int tda8290_set_params(struct dvb_frontend *fe,
struct analog_parameters *params)
{
struct tda8290_priv *priv = fe->tuner_priv;
unsigned char soft_reset[] = { 0x00, 0x00 };
unsigned char easy_mode[] = { 0x01, priv->tda8290_easy_mode };
unsigned char expert_mode[] = { 0x01, 0x80 };
......@@ -383,7 +455,10 @@ static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq)
pll_stat;
int i;
tuner_dbg("tda827xa config is 0x%02x\n", t->config);
set_audio(fe, params);
if (priv->lna_cfg)
tuner_dbg("tda827xa config is 0x%02x\n", *priv->lna_cfg);
tuner_i2c_xfer_send(&priv->i2c_props, easy_mode, 2);
tuner_i2c_xfer_send(&priv->i2c_props, agc_out_on, 2);
tuner_i2c_xfer_send(&priv->i2c_props, soft_reset, 2);
......@@ -399,11 +474,11 @@ static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq)
tuner_i2c_xfer_send(&priv->i2c_props, adc_head_6, 2);
tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_nom, 2);
tda8290_i2c_bridge(t, 1);
tda8290_i2c_bridge(fe, 1);
if (priv->tda827x_ver != 0)
tda827xa_tune(t, ifc, freq);
tda827xa_set_analog_params(fe, params);
else
tda827x_tune(t, ifc, freq);
tda827x_set_analog_params(fe, params);
for (i = 0; i < 3; i++) {
tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1);
tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1);
......@@ -433,9 +508,9 @@ static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq)
tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n",
agc_stat, pll_stat & 0x80);
if (priv->tda827x_ver != 0)
tda827xa_agcf(t);
tda827xa_agcf(fe);
else
tda827x_agcf(t);
tda827x_agcf(fe);
msleep(100);
tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1);
tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1);
......@@ -464,120 +539,86 @@ static int tda8290_tune(struct tuner *t, u16 ifc, unsigned int freq)
}
}
tda8290_i2c_bridge(t, 0);
tda8290_i2c_bridge(fe, 0);
tuner_i2c_xfer_send(&priv->i2c_props, if_agc_set, 2);
priv->frequency = (V4L2_TUNER_RADIO == params->mode) ?
params->frequency * 125 / 2 : params->frequency * 62500;
return 0;
}
/*---------------------------------------------------------------------*/
static void set_audio(struct tuner *t)
static int tda8290_has_signal(struct dvb_frontend *fe)
{
struct tda8290_priv *priv = t->priv;
char* mode;
struct tda8290_priv *priv = fe->tuner_priv;
priv->tda827x_lpsel = 0;
if (t->std & V4L2_STD_MN) {
priv->sgIF = 92;
priv->tda8290_easy_mode = 0x01;
priv->tda827x_lpsel = 1;
mode = "MN";
} else if (t->std & V4L2_STD_B) {
priv->sgIF = 108;
priv->tda8290_easy_mode = 0x02;
mode = "B";
} else if (t->std & V4L2_STD_GH) {
priv->sgIF = 124;
priv->tda8290_easy_mode = 0x04;
mode = "GH";
} else if (t->std & V4L2_STD_PAL_I) {
priv->sgIF = 124;
priv->tda8290_easy_mode = 0x08;
mode = "I";
} else if (t->std & V4L2_STD_DK) {
priv->sgIF = 124;
priv->tda8290_easy_mode = 0x10;
mode = "DK";
} else if (t->std & V4L2_STD_SECAM_L) {
priv->sgIF = 124;
priv->tda8290_easy_mode = 0x20;
mode = "L";
} else if (t->std & V4L2_STD_SECAM_LC) {
priv->sgIF = 20;
priv->tda8290_easy_mode = 0x40;
mode = "LC";
} else {
priv->sgIF = 124;
priv->tda8290_easy_mode = 0x10;
mode = "xx";
}
tuner_dbg("setting tda8290 to system %s\n", mode);
}
static void set_tv_freq(struct tuner *t, unsigned int freq)
{
struct tda8290_priv *priv = t->priv;
unsigned char i2c_get_afc[1] = { 0x1B };
unsigned char afc = 0;
set_audio(t);
tda8290_tune(t, priv->sgIF, freq);
tuner_i2c_xfer_send(&priv->i2c_props, i2c_get_afc, ARRAY_SIZE(i2c_get_afc));
tuner_i2c_xfer_recv(&priv->i2c_props, &afc, 1);
return (afc & 0x80)? 65535:0;
}
static void set_radio_freq(struct tuner *t, unsigned int freq)
static int tda8290_get_status(struct dvb_frontend *fe, u32 *status)
{
/* if frequency is 5.5 MHz */
tda8290_tune(t, 88, freq);
}
struct tda8290_priv *priv = fe->tuner_priv;
static int has_signal(struct tuner *t)
{
struct tda8290_priv *priv = t->priv;
int signal = tda8290_has_signal(fe);
*status = 0;
unsigned char i2c_get_afc[1] = { 0x1B };
unsigned char afc = 0;
/* for now, report based on afc status */
if (signal)
*status = TUNER_STATUS_LOCKED;
tuner_i2c_xfer_send(&priv->i2c_props, i2c_get_afc, ARRAY_SIZE(i2c_get_afc));
tuner_i2c_xfer_recv(&priv->i2c_props, &afc, 1);
return (afc & 0x80)? 65535:0;
tuner_dbg("tda8290: AFC status: %d\n", signal);
return 0;
}
/*---------------------------------------------------------------------*/
static void standby(struct tuner *t)
static int tda8290_standby(struct dvb_frontend *fe)
{
struct tda8290_priv *priv = t->priv;
struct tda8290_priv *priv = fe->tuner_priv;
unsigned char cb1[] = { 0x30, 0xD0 };
unsigned char tda8290_standby[] = { 0x00, 0x02 };
unsigned char tda8290_agc_tri[] = { 0x02, 0x20 };
struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, .buf=cb1, .len = 2};
tda8290_i2c_bridge(t, 1);
tda8290_i2c_bridge(fe, 1);
if (priv->tda827x_ver != 0)
cb1[1] = 0x90;
i2c_transfer(priv->i2c_props.adap, &msg, 1);
tda8290_i2c_bridge(t, 0);
tda8290_i2c_bridge(fe, 0);
tuner_i2c_xfer_send(&priv->i2c_props, tda8290_agc_tri, 2);
tuner_i2c_xfer_send(&priv->i2c_props, tda8290_standby, 2);
return 0;
}
static void tda8290_init_if(struct tuner *t)
static void tda8290_init_if(struct dvb_frontend *fe)
{
struct tda8290_priv *priv = t->priv;
struct tda8290_priv *priv = fe->tuner_priv;
unsigned char set_VS[] = { 0x30, 0x6F };
unsigned char set_GP00_CF[] = { 0x20, 0x01 };
unsigned char set_GP01_CF[] = { 0x20, 0x0B };
if ((t->config == 1) || (t->config == 2))
if ((priv->lna_cfg) &&
((*priv->lna_cfg == 1) || (*priv->lna_cfg == 2)))
tuner_i2c_xfer_send(&priv->i2c_props, set_GP00_CF, 2);
else
tuner_i2c_xfer_send(&priv->i2c_props, set_GP01_CF, 2);
tuner_i2c_xfer_send(&priv->i2c_props, set_VS, 2);
}
static void tda8290_init_tuner(struct tuner *t)
static void tda8290_init_tuner(struct dvb_frontend *fe)
{
struct tda8290_priv *priv = t->priv;
struct tda8290_priv *priv = fe->tuner_priv;
unsigned char tda8275_init[] = { 0x00, 0x00, 0x00, 0x40, 0xdC, 0x04, 0xAf,
0x3F, 0x2A, 0x04, 0xFF, 0x00, 0x00, 0x40 };
unsigned char tda8275a_init[] = { 0x00, 0x00, 0x00, 0x00, 0xdC, 0x05, 0x8b,
......@@ -587,28 +628,40 @@ static void tda8290_init_tuner(struct tuner *t)
if (priv->tda827x_ver != 0)
msg.buf = tda8275a_init;
tda8290_i2c_bridge(t, 1);
tda8290_i2c_bridge(fe, 1);
i2c_transfer(priv->i2c_props.adap, &msg, 1);
tda8290_i2c_bridge(t, 0);
tda8290_i2c_bridge(fe, 0);
}
/*---------------------------------------------------------------------*/
static void tda8290_release(struct tuner *t)
static int tda8290_release(struct dvb_frontend *fe)
{
kfree(t->priv);
t->priv = NULL;
kfree(fe->tuner_priv);
fe->tuner_priv = NULL;
return 0;
}
static struct tuner_operations tda8290_tuner_ops = {
.set_tv_freq = set_tv_freq,
.set_radio_freq = set_radio_freq,
.has_signal = has_signal,
.standby = standby,
.release = tda8290_release,
static int tda8290_get_frequency(struct dvb_frontend *fe, u32 *frequency)
{
struct tda8290_priv *priv = fe->tuner_priv;
*frequency = priv->frequency;
return 0;
}
static struct dvb_tuner_ops tda8290_tuner_ops = {
.sleep = tda8290_standby,
.set_analog_params = tda8290_set_params,
.release = tda8290_release,
.get_frequency = tda8290_get_frequency,
.get_status = tda8290_get_status,
};
int tda8290_init(struct tuner *t)
struct dvb_frontend *tda8290_attach(struct dvb_frontend *fe,
struct i2c_adapter* i2c_adap,
u8 i2c_addr,
struct tda8290_config *cfg)
{
struct tda8290_priv *priv = NULL;
u8 data;
......@@ -618,13 +671,17 @@ int tda8290_init(struct tuner *t)
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;
return NULL;
fe->tuner_priv = priv;
priv->i2c_props.addr = i2c_addr;
priv->i2c_props.adap = i2c_adap;
if (cfg) {
priv->lna_cfg = cfg->lna_cfg;
priv->tuner_callback = cfg->tuner_callback;
}
tda8290_i2c_bridge(t, 1);
tda8290_i2c_bridge(fe, 1);
/* probe for tuner chip */
tuners_found = 0;
tuner_addrs = 0;
......@@ -640,7 +697,7 @@ int tda8290_init(struct tuner *t)
behind the bridge and we choose the highest address that doesn't
give a response now
*/
tda8290_i2c_bridge(t, 0);
tda8290_i2c_bridge(fe, 0);
if(tuners_found > 1)
for (i = 0; i < tuners_found; i++) {
msg.addr = tuner_addrs & 0xff;
......@@ -652,41 +709,52 @@ int tda8290_init(struct tuner *t)
}
if (tuner_addrs == 0) {
tuner_addrs = 0x61;
tuner_info ("could not clearly identify tuner address, defaulting to %x\n",
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);
tuner_info("setting tuner address to %x\n", tuner_addrs);
}
priv->tda827x_addr = tuner_addrs;
msg.addr = tuner_addrs;
tda8290_i2c_bridge(t, 1);
tda8290_i2c_bridge(fe, 1);
ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
if( ret != 1)
tuner_warn ("TDA827x access failed!\n");
tuner_warn("TDA827x access failed!\n");
memcpy(&fe->ops.tuner_ops, &tda8290_tuner_ops,
sizeof(struct dvb_tuner_ops));
if ((data & 0x3c) == 0) {
strlcpy(t->i2c.name, "tda8290+75", sizeof(t->i2c.name));
strlcpy(fe->ops.tuner_ops.info.name, "tda8290+75",
sizeof(fe->ops.tuner_ops.info.name));
fe->ops.tuner_ops.info.frequency_min = 55000000;
fe->ops.tuner_ops.info.frequency_max = 860000000;
fe->ops.tuner_ops.info.frequency_step = 250000;
priv->tda827x_ver = 0;
} else {
strlcpy(t->i2c.name, "tda8290+75a", sizeof(t->i2c.name));
strlcpy(fe->ops.tuner_ops.info.name, "tda8290+75a",
sizeof(fe->ops.tuner_ops.info.name));
fe->ops.tuner_ops.info.frequency_min = 44000000;
fe->ops.tuner_ops.info.frequency_max = 906000000;
fe->ops.tuner_ops.info.frequency_step = 62500;
priv->tda827x_ver = 2;
}
tuner_info("type set to %s\n", t->i2c.name);
memcpy(&t->ops, &tda8290_tuner_ops, sizeof(struct tuner_operations));
priv->tda827x_lpsel = 0;
t->mode = V4L2_TUNER_ANALOG_TV;
tda8290_init_tuner(t);
tda8290_init_if(t);
return 0;
tda8290_init_tuner(fe);
tda8290_init_if(fe);
return fe;
}
int tda8290_probe(struct tuner *t)
int tda8290_probe(struct i2c_adapter* i2c_adap, u8 i2c_addr)
{
struct i2c_client *c = &t->i2c;
struct tuner_i2c_props i2c_props = {
.adap = i2c_adap,
.addr = i2c_addr
};
unsigned char soft_reset[] = { 0x00, 0x00 };
unsigned char easy_mode_b[] = { 0x01, 0x02 };
......@@ -695,23 +763,30 @@ int tda8290_probe(struct tuner *t)
unsigned char addr_dto_lsb = 0x07;
unsigned char data;
i2c_master_send(c, easy_mode_b, 2);
i2c_master_send(c, soft_reset, 2);
i2c_master_send(c, &addr_dto_lsb, 1);
i2c_master_recv(c, &data, 1);
tuner_i2c_xfer_send(&i2c_props, easy_mode_b, 2);
tuner_i2c_xfer_send(&i2c_props, soft_reset, 2);
tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1);
tuner_i2c_xfer_recv(&i2c_props, &data, 1);
if (data == 0) {
i2c_master_send(c, easy_mode_g, 2);
i2c_master_send(c, soft_reset, 2);
i2c_master_send(c, &addr_dto_lsb, 1);
i2c_master_recv(c, &data, 1);
tuner_i2c_xfer_send(&i2c_props, easy_mode_g, 2);
tuner_i2c_xfer_send(&i2c_props, soft_reset, 2);
tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1);
tuner_i2c_xfer_recv(&i2c_props, &data, 1);
if (data == 0x7b) {
return 0;
}
}
i2c_master_send(c, restore_9886, 3);
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_LICENSE("GPL");
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* ---------------------------------------------------------------------------
......
drivers/media/video/tda8290.h 0 → 100644
View file @ 910bb3e3
/*
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 __TDA8290_H__
#define __TDA8290_H__
#include <linux/i2c.h>
#include "dvb_frontend.h"
struct tda8290_config
{
unsigned int *lna_cfg;
int (*tuner_callback) (void *dev, int command,int arg);
};
extern int tda8290_probe(struct i2c_adapter* i2c_adap, u8 i2c_addr);
extern struct dvb_frontend *tda8290_attach(struct dvb_frontend *fe,
struct i2c_adapter* i2c_adap,
u8 i2c_addr,
struct tda8290_config *cfg);
#endif /* __TDA8290_H__ */
drivers/media/video/tuner-core.c
View file @ 910bb3e3
......@@ -19,6 +19,7 @@
#include <media/tuner.h>
#include <media/v4l2-common.h>
#include "tuner-driver.h"
#include "tda8290.h"
#define UNSET (-1U)
......@@ -200,6 +201,15 @@ static void tuner_i2c_address_check(struct tuner *t)
tuner_warn("====================== WARNING! ======================\n");
}
static void attach_tda8290(struct tuner *t)
{
struct tda8290_config cfg = {
.lna_cfg = &t->config,
.tuner_callback = t->tuner_callback
};
tda8290_attach(&t->fe, t->i2c.adapter, t->i2c.addr, &cfg);
}
static void set_type(struct i2c_client *c, unsigned int type,
unsigned int new_mode_mask, unsigned int new_config,
int (*tuner_callback) (void *dev, int command,int arg))
......@@ -245,8 +255,10 @@ static void set_type(struct i2c_client *c, unsigned int type,
microtune_init(t);
break;
case TUNER_PHILIPS_TDA8290:
tda8290_init(t);
{
attach_tda8290(t);
break;
}
case TUNER_TEA5767:
if (tea5767_tuner_init(t) == EINVAL) {
t->type = TUNER_ABSENT;
......@@ -575,7 +587,7 @@ static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
case 0x4b:
/* If chip is not tda8290, don't register.
since it can be tda9887*/
if (tda8290_probe(t) == 0) {
if (tda8290_probe(t->i2c.adapter, t->i2c.addr) == 0) {
tuner_dbg("chip at addr %x is a tda8290\n", addr);
} else {
/* Default is being tda9887 */
......
drivers/media/video/tuner-driver.h
View file @ 910bb3e3
......@@ -78,9 +78,6 @@ extern int tda9887_tuner_init(struct tuner *t);
extern int microtune_init(struct tuner *t);
extern int tda8290_init(struct tuner *t);
extern int tda8290_probe(struct tuner *t);
extern int tea5761_tuner_init(struct tuner *t);
extern int tea5761_autodetection(struct tuner *t);
......
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