Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include <linux/config.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/init.h>
struct tda10021_state {
struct i2c_adapter* i2c;
- struct dvb_frontend_ops ops;
/* configuration settings */
const struct tda10021_config* config;
struct dvb_frontend frontend;
0x04, 0x2d, 0x2f, 0xff, 0x00, 0x00, 0x00, 0x00,
};
-static int tda10021_writereg (struct tda10021_state* state, u8 reg, u8 data)
+static int _tda10021_writereg (struct tda10021_state* state, u8 reg, u8 data)
{
u8 buf[] = { reg, data };
struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 };
else if (INVERSION_OFF == inversion)
DISABLE_INVERSION(reg0);
- tda10021_writereg (state, 0x00, reg0 & 0xfe);
- tda10021_writereg (state, 0x00, reg0 | 0x01);
+ _tda10021_writereg (state, 0x00, reg0 & 0xfe);
+ _tda10021_writereg (state, 0x00, reg0 | 0x01);
state->reg0 = reg0;
return 0;
NDEC = (NDEC << 6) | tda10021_inittab[0x03];
- tda10021_writereg (state, 0x03, NDEC);
- tda10021_writereg (state, 0x0a, BDR&0xff);
- tda10021_writereg (state, 0x0b, (BDR>> 8)&0xff);
- tda10021_writereg (state, 0x0c, (BDR>>16)&0x3f);
+ _tda10021_writereg (state, 0x03, NDEC);
+ _tda10021_writereg (state, 0x0a, BDR&0xff);
+ _tda10021_writereg (state, 0x0b, (BDR>> 8)&0xff);
+ _tda10021_writereg (state, 0x0c, (BDR>>16)&0x3f);
- tda10021_writereg (state, 0x0d, BDRI);
- tda10021_writereg (state, 0x0e, SFIL);
+ _tda10021_writereg (state, 0x0d, BDRI);
+ _tda10021_writereg (state, 0x0e, SFIL);
return 0;
}
+int tda10021_write(struct dvb_frontend* fe, u8 *buf, int len)
+{
+ struct tda10021_state* state = fe->demodulator_priv;
+
+ if (len != 2)
+ return -EINVAL;
+
+ return _tda10021_writereg(state, buf[0], buf[1]);
+}
+
static int tda10021_init (struct dvb_frontend *fe)
{
struct tda10021_state* state = fe->demodulator_priv;
dprintk("DVB: TDA10021(%d): init chip\n", fe->adapter->num);
- //tda10021_writereg (fe, 0, 0);
+ //_tda10021_writereg (fe, 0, 0);
for (i=0; i<tda10021_inittab_size; i++)
- tda10021_writereg (state, i, tda10021_inittab[i]);
+ _tda10021_writereg (state, i, tda10021_inittab[i]);
- tda10021_writereg (state, 0x34, state->pwm);
+ _tda10021_writereg (state, 0x34, state->pwm);
//Comment by markus
//0x2A[3-0] == PDIV -> P multiplaying factor (P=PDIV+1)(default 0)
//0x2A[6] == POLAXIN -> Polarity of the input reference clock (default 0)
//Activate PLL
- tda10021_writereg(state, 0x2a, tda10021_inittab[0x2a] & 0xef);
-
- if (state->config->pll_init) {
- lock_tuner(state);
- state->config->pll_init(fe);
- unlock_tuner(state);
- }
-
+ _tda10021_writereg(state, 0x2a, tda10021_inittab[0x2a] & 0xef);
return 0;
}
//printk("tda10021: set frequency to %d qam=%d symrate=%d\n", p->frequency,qam,p->u.qam.symbol_rate);
- lock_tuner(state);
- state->config->pll_set(fe, p);
- unlock_tuner(state);
+ if (fe->ops.tuner_ops.set_params) {
+ fe->ops.tuner_ops.set_params(fe, p);
+ if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
+ }
tda10021_set_symbolrate (state, p->u.qam.symbol_rate);
- tda10021_writereg (state, 0x34, state->pwm);
+ _tda10021_writereg (state, 0x34, state->pwm);
- tda10021_writereg (state, 0x01, reg0x01[qam]);
- tda10021_writereg (state, 0x05, reg0x05[qam]);
- tda10021_writereg (state, 0x08, reg0x08[qam]);
- tda10021_writereg (state, 0x09, reg0x09[qam]);
+ _tda10021_writereg (state, 0x01, reg0x01[qam]);
+ _tda10021_writereg (state, 0x05, reg0x05[qam]);
+ _tda10021_writereg (state, 0x08, reg0x08[qam]);
+ _tda10021_writereg (state, 0x09, reg0x09[qam]);
tda10021_setup_reg0 (state, reg0x00[qam], p->inversion);
*ucblocks = 0xffffffff;
/* reset uncorrected block counter */
- tda10021_writereg (state, 0x10, tda10021_inittab[0x10] & 0xdf);
- tda10021_writereg (state, 0x10, tda10021_inittab[0x10]);
+ _tda10021_writereg (state, 0x10, tda10021_inittab[0x10] & 0xdf);
+ _tda10021_writereg (state, 0x10, tda10021_inittab[0x10]);
return 0;
}
return 0;
}
+static int tda10021_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
+{
+ struct tda10021_state* state = fe->demodulator_priv;
+
+ if (enable) {
+ lock_tuner(state);
+ } else {
+ unlock_tuner(state);
+ }
+ return 0;
+}
+
static int tda10021_sleep(struct dvb_frontend* fe)
{
struct tda10021_state* state = fe->demodulator_priv;
- tda10021_writereg (state, 0x1b, 0x02); /* pdown ADC */
- tda10021_writereg (state, 0x00, 0x80); /* standby */
+ _tda10021_writereg (state, 0x1b, 0x02); /* pdown ADC */
+ _tda10021_writereg (state, 0x00, 0x80); /* standby */
return 0;
}
/* setup the state */
state->config = config;
state->i2c = i2c;
- memcpy(&state->ops, &tda10021_ops, sizeof(struct dvb_frontend_ops));
state->pwm = pwm;
state->reg0 = tda10021_inittab[0];
if ((tda10021_readreg(state, 0x1a) & 0xf0) != 0x70) goto error;
/* create dvb_frontend */
- state->frontend.ops = &state->ops;
+ memcpy(&state->frontend.ops, &tda10021_ops, sizeof(struct dvb_frontend_ops));
state->frontend.demodulator_priv = state;
return &state->frontend;
.init = tda10021_init,
.sleep = tda10021_sleep,
+ .write = tda10021_write,
+ .i2c_gate_ctrl = tda10021_i2c_gate_ctrl,
.set_frontend = tda10021_set_parameters,
.get_frontend = tda10021_get_frontend,