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V4L/DVB (3858): Convert tda1004x to refactored tuner code 

Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Add i2c gate control function.
Remove europa specific hack (moved into appropriate card driver)

Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Andrew de Quincey 2006-04-18 17:47:10 -03:00 committed by Mauro Carvalho Chehab
parent e9f9c0d87b
commit 74349bef1a
2 changed files with 15 additions and 37 deletions
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47
drivers/media/dvb/frontends/tda1004x.c
View File

@ -600,13 +600,6 @@ static int tda10045_init(struct dvb_frontend* fe)
tda1004x_write_mask(state, TDA1004X_CONFADC1, 0x10, 0); // wake up the ADC
// Init the PLL
if (state->config->pll_init) {
tda1004x_enable_tuner_i2c(state);
state->config->pll_init(fe);
tda1004x_disable_tuner_i2c(state);
}
// tda setup
tda1004x_write_mask(state, TDA1004X_CONFC4, 0x20, 0); // disable DSP watchdog timer
tda1004x_write_mask(state, TDA1004X_AUTO, 8, 0); // select HP stream
@ -635,16 +628,6 @@ static int tda10046_init(struct dvb_frontend* fe)
return -EIO;
}
// Init the tuner PLL
if (state->config->pll_init) {
tda1004x_enable_tuner_i2c(state);
if (state->config->pll_init(fe)) {
printk(KERN_ERR "tda1004x: pll init failed\n");
return -EIO;
}
tda1004x_disable_tuner_i2c(state);
}
// tda setup
tda1004x_write_mask(state, TDA1004X_CONFC4, 0x20, 0); // disable DSP watchdog timer
tda1004x_write_byteI(state, TDA1004X_AUTO, 0x87); // 100 ppm crystal, select HP stream
@ -712,12 +695,10 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
}
// set frequency
tda1004x_enable_tuner_i2c(state);
if (state->config->pll_set(fe, fe_params)) {
printk(KERN_ERR "tda1004x: pll set failed\n");
return -EIO;
if (fe->ops->tuner_ops.set_params) {
fe->ops->tuner_ops.set_params(fe, fe_params);
if (fe->ops->i2c_gate_ctrl) fe->ops->i2c_gate_ctrl(fe, 0);
}
tda1004x_disable_tuner_i2c(state);
// Hardcoded to use auto as much as possible on the TDA10045 as it
// is very unreliable if AUTO mode is _not_ used.
@ -1183,16 +1164,6 @@ static int tda1004x_sleep(struct dvb_frontend* fe)
break;
case TDA1004X_DEMOD_TDA10046:
if (state->config->pll_sleep != NULL) {
tda1004x_enable_tuner_i2c(state);
state->config->pll_sleep(fe);
if (state->config->if_freq != TDA10046_FREQ_052) {
/* special hack for Philips EUROPA Based boards:
* keep the I2c bridge open for tuner access in analog mode
*/
tda1004x_disable_tuner_i2c(state);
}
}
/* set outputs to tristate */
tda1004x_write_byteI(state, TDA10046H_CONF_TRISTATE1, 0xff);
tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 1);
@ -1202,6 +1173,17 @@ static int tda1004x_sleep(struct dvb_frontend* fe)
return 0;
}
static int tda1004x_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
{
struct tda1004x_state* state = fe->demodulator_priv;
if (enable) {
return tda1004x_enable_tuner_i2c(state);
} else {
return tda1004x_disable_tuner_i2c(state);
}
}
static int tda1004x_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
{
fesettings->min_delay_ms = 800;
@ -1235,6 +1217,7 @@ static struct dvb_frontend_ops tda10045_ops = {
.init = tda10045_init,
.sleep = tda1004x_sleep,
.i2c_gate_ctrl = tda1004x_i2c_gate_ctrl,
.set_frontend = tda1004x_set_fe,
.get_frontend = tda1004x_get_fe,

5
drivers/media/dvb/frontends/tda1004x.h
View File

@ -66,11 +66,6 @@ struct tda1004x_config
/* AGC configuration */
enum tda10046_agc agc_config;
/* PLL maintenance */
int (*pll_init)(struct dvb_frontend* fe);
void (*pll_sleep)(struct dvb_frontend* fe);
int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
/* request firmware for device */
/* set this to NULL if the card has a firmware EEPROM */
int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);