Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history 
yaml
---
r: 76313
b: refs/heads/master
c: 5c82f44
h: refs/heads/master
i:
  76311: 95b56ac
v: v3
  • Loading branch information
Michael Krufky authored and Mauro Carvalho Chehab committed Jan 25, 2008
1 parent 5f76d8b commit 4f29a41
Show file tree
Hide file tree
Showing 4 changed files with 58 additions and 28 deletions.
2 changes: 1 addition & 1 deletion [refs]
View file
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 1b29cedab9e69a6e4c9bba5f1981437b62be7bea
refs/heads/master: 5c82f4497b46e9c3877618bc36661a4abbf9c646
61 changes: 56 additions & 5 deletions trunk/drivers/media/dvb/frontends/tda827x.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -38,10 +38,57 @@ struct tda827x_priv {
int i2c_addr;
struct i2c_adapter *i2c_adap;
struct tda827x_config *cfg;

unsigned int sgIF;
unsigned char lpsel;

u32 frequency;
u32 bandwidth;
};

static void tda827x_set_std(struct dvb_frontend *fe,
struct analog_parameters *params)
{
struct tda827x_priv *priv = fe->tuner_priv;
char *mode;

priv->lpsel = 0;
if (params->std & V4L2_STD_MN) {
priv->sgIF = 92;
priv->lpsel = 1;
mode = "MN";
} else if (params->std & V4L2_STD_B) {
priv->sgIF = 108;
mode = "B";
} else if (params->std & V4L2_STD_GH) {
priv->sgIF = 124;
mode = "GH";
} else if (params->std & V4L2_STD_PAL_I) {
priv->sgIF = 124;
mode = "I";
} else if (params->std & V4L2_STD_DK) {
priv->sgIF = 124;
mode = "DK";
} else if (params->std & V4L2_STD_SECAM_L) {
priv->sgIF = 124;
mode = "L";
} else if (params->std & V4L2_STD_SECAM_LC) {
priv->sgIF = 20;
mode = "LC";
} else {
priv->sgIF = 124;
mode = "xx";
}

if (params->mode == V4L2_TUNER_RADIO)
priv->sgIF = 88; /* if frequency is 5.5 MHz */

dprintk("setting tda827x to system %s\n", mode);
}


/* ------------------------------------------------------------------ */

struct tda827x_data {
u32 lomax;
u8 spd;
Expand Down Expand Up @@ -189,10 +236,12 @@ static int tda827xo_set_analog_params(struct dvb_frontend *fe,
struct i2c_msg msg = { .addr = priv->i2c_addr, .flags = 0 };
unsigned int freq = params->frequency;

tda827x_set_std(fe, params);

if (params->mode == V4L2_TUNER_RADIO)
freq = freq / 1000;

N = freq + priv->cfg->sgIF;
N = freq + priv->sgIF;

i = 0;
while (tda827x_table[i].lomax < N * 62500) {
Expand All @@ -207,7 +256,7 @@ static int tda827xo_set_analog_params(struct dvb_frontend *fe,
tuner_reg[1] = (unsigned char)(N>>8);
tuner_reg[2] = (unsigned char) N;
tuner_reg[3] = 0x40;
tuner_reg[4] = 0x52 + (priv->cfg->tda827x_lpsel << 5);
tuner_reg[4] = 0x52 + (priv->lpsel << 5);
tuner_reg[5] = (tda827x_table[i].spd << 6) +
(tda827x_table[i].div1p5 << 5) +
(tda827x_table[i].bs << 3) + tda827x_table[i].bp;
Expand Down Expand Up @@ -550,13 +599,15 @@ static int tda827xa_set_analog_params(struct dvb_frontend *fe,
.buf = tuner_reg, .len = sizeof(tuner_reg) };
unsigned int freq = params->frequency;

tda827x_set_std(fe, params);

tda827xa_lna_gain(fe, 1, params);
msleep(10);

if (params->mode == V4L2_TUNER_RADIO)
freq = freq / 1000;

N = freq + priv->cfg->sgIF;
N = freq + priv->sgIF;

i = 0;
while (tda827xa_analog[i].lomax < N * 62500) {
Expand Down Expand Up @@ -587,7 +638,7 @@ static int tda827xa_set_analog_params(struct dvb_frontend *fe,
tuner_reg[1] = 0xff;
tuner_reg[2] = 0xe0;
tuner_reg[3] = 0;
tuner_reg[4] = 0x99 + (priv->cfg->tda827x_lpsel << 1);
tuner_reg[4] = 0x99 + (priv->lpsel << 1);
msg.len = 5;
i2c_transfer(priv->i2c_adap, &msg, 1);

Expand Down Expand Up @@ -627,7 +678,7 @@ static int tda827xa_set_analog_params(struct dvb_frontend *fe,
i2c_transfer(priv->i2c_adap, &msg, 1);

tuner_reg[0] = 0xc0;
tuner_reg[1] = 0x19 + (priv->cfg->tda827x_lpsel << 1);
tuner_reg[1] = 0x19 + (priv->lpsel << 1);
i2c_transfer(priv->i2c_adap, &msg, 1);

priv->frequency = freq * 62500;
Expand Down
3 changes: 0 additions & 3 deletions trunk/drivers/media/dvb/frontends/tda827x.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -35,9 +35,6 @@ struct tda827x_config
int (*sleep) (struct dvb_frontend *fe);

/* interface to tda829x driver */
unsigned char tda827x_lpsel;
unsigned int sgIF;

unsigned int *config;
int (*tuner_callback) (void *dev, int command, int arg);

Expand Down
20 changes: 1 addition & 19 deletions trunk/drivers/media/video/tda8290.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -104,45 +104,32 @@ static void set_audio(struct dvb_frontend *fe)
struct tuner *t = priv->t;
char* mode;

priv->cfg.tda827x_lpsel = 0;
if (t->std & V4L2_STD_MN) {
priv->cfg.sgIF = 92;
priv->tda8290_easy_mode = 0x01;
priv->cfg.tda827x_lpsel = 1;
mode = "MN";
} else if (t->std & V4L2_STD_B) {
priv->cfg.sgIF = 108;
priv->tda8290_easy_mode = 0x02;
mode = "B";
} else if (t->std & V4L2_STD_GH) {
priv->cfg.sgIF = 124;
priv->tda8290_easy_mode = 0x04;
mode = "GH";
} else if (t->std & V4L2_STD_PAL_I) {
priv->cfg.sgIF = 124;
priv->tda8290_easy_mode = 0x08;
mode = "I";
} else if (t->std & V4L2_STD_DK) {
priv->cfg.sgIF = 124;
priv->tda8290_easy_mode = 0x10;
mode = "DK";
} else if (t->std & V4L2_STD_SECAM_L) {
priv->cfg.sgIF = 124;
priv->tda8290_easy_mode = 0x20;
mode = "L";
} else if (t->std & V4L2_STD_SECAM_LC) {
priv->cfg.sgIF = 20;
priv->tda8290_easy_mode = 0x40;
mode = "LC";
} else {
priv->cfg.sgIF = 124;
priv->tda8290_easy_mode = 0x10;
mode = "xx";
}

if (t->mode == V4L2_TUNER_RADIO)
priv->cfg.sgIF = 88; /* if frequency is 5.5 MHz */

tuner_dbg("setting tda8290 to system %s\n", mode);
}

Expand Down Expand Up @@ -368,7 +355,6 @@ static void tda8295_set_freq(struct dvb_frontend *fe, unsigned int freq)
{
struct tda8290_priv *priv = fe->analog_demod_priv;
struct tuner *t = priv->t;
u16 ifc;

unsigned char blanking_mode[] = { 0x1d, 0x00 };

Expand All @@ -381,9 +367,7 @@ static void tda8295_set_freq(struct dvb_frontend *fe, unsigned int freq)

set_audio(fe);

ifc = priv->cfg.sgIF; /* FIXME */

tuner_dbg("%s: ifc = %u, freq = %d\n", __FUNCTION__, ifc, freq);
tuner_dbg("%s: freq = %d\n", __FUNCTION__, freq);

tda8295_power(fe, 1);
tda8295_agc1_out(fe, 1);
Expand Down Expand Up @@ -625,7 +609,6 @@ int tda8290_attach(struct tuner *t)

tuner_info("type set to %s\n", t->i2c.name);

priv->cfg.tda827x_lpsel = 0;
t->mode = V4L2_TUNER_ANALOG_TV;

tda8290_init_tuner(&t->fe);
Expand Down Expand Up @@ -715,7 +698,6 @@ int tda8295_attach(struct tuner *t)

t->fe.ops.analog_demod_ops = &tda8295_tuner_ops;

priv->cfg.tda827x_lpsel = 0;
t->mode = V4L2_TUNER_ANALOG_TV;

tda8295_init_if(&t->fe);
Expand Down

0 comments on commit 4f29a41

Please sign in to comment.