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@@ -72,7 +72,7 @@ static u8 tda10021_inittab[0x40]=
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0x04, 0x2d, 0x2f, 0xff, 0x00, 0x00, 0x00, 0x00,
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};
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-static int tda10021_writereg (struct tda10021_state* state, u8 reg, u8 data)
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+static int _tda10021_writereg (struct tda10021_state* state, u8 reg, u8 data)
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{
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u8 buf[] = { reg, data };
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struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 };
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@@ -88,14 +88,6 @@ static int tda10021_writereg (struct tda10021_state* state, u8 reg, u8 data)
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return (ret != 1) ? -EREMOTEIO : 0;
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}
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-int tda10021_write_byte(struct dvb_frontend* fe, int reg, int data)
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-{
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- struct tda10021_state* state = fe->demodulator_priv;
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-
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- return tda10021_writereg(state, reg, data);
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-}
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-EXPORT_SYMBOL(tda10021_write_byte);
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-
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static u8 tda10021_readreg (struct tda10021_state* state, u8 reg)
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{
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u8 b0 [] = { reg };
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@@ -149,8 +141,8 @@ static int tda10021_setup_reg0 (struct tda10021_state* state, u8 reg0,
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else if (INVERSION_OFF == inversion)
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DISABLE_INVERSION(reg0);
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- tda10021_writereg (state, 0x00, reg0 & 0xfe);
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- tda10021_writereg (state, 0x00, reg0 | 0x01);
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+ _tda10021_writereg (state, 0x00, reg0 & 0xfe);
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+ _tda10021_writereg (state, 0x00, reg0 | 0x01);
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state->reg0 = reg0;
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return 0;
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@@ -198,17 +190,27 @@ static int tda10021_set_symbolrate (struct tda10021_state* state, u32 symbolrate
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NDEC = (NDEC << 6) | tda10021_inittab[0x03];
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- tda10021_writereg (state, 0x03, NDEC);
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- tda10021_writereg (state, 0x0a, BDR&0xff);
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- tda10021_writereg (state, 0x0b, (BDR>> 8)&0xff);
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- tda10021_writereg (state, 0x0c, (BDR>>16)&0x3f);
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+ _tda10021_writereg (state, 0x03, NDEC);
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+ _tda10021_writereg (state, 0x0a, BDR&0xff);
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+ _tda10021_writereg (state, 0x0b, (BDR>> 8)&0xff);
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+ _tda10021_writereg (state, 0x0c, (BDR>>16)&0x3f);
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- tda10021_writereg (state, 0x0d, BDRI);
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- tda10021_writereg (state, 0x0e, SFIL);
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+ _tda10021_writereg (state, 0x0d, BDRI);
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+ _tda10021_writereg (state, 0x0e, SFIL);
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return 0;
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}
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+int tda10021_write(struct dvb_frontend* fe, u8 *buf, int len)
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+{
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+ struct tda10021_state* state = fe->demodulator_priv;
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+
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+ if (len != 2)
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+ return -EINVAL;
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+
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+ return _tda10021_writereg(state, buf[0], buf[1]);
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+}
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+
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static int tda10021_init (struct dvb_frontend *fe)
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{
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struct tda10021_state* state = fe->demodulator_priv;
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@@ -216,12 +218,12 @@ static int tda10021_init (struct dvb_frontend *fe)
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dprintk("DVB: TDA10021(%d): init chip\n", fe->adapter->num);
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- //tda10021_writereg (fe, 0, 0);
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+ //_tda10021_writereg (fe, 0, 0);
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for (i=0; i<tda10021_inittab_size; i++)
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- tda10021_writereg (state, i, tda10021_inittab[i]);
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+ _tda10021_writereg (state, i, tda10021_inittab[i]);
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- tda10021_writereg (state, 0x34, state->pwm);
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+ _tda10021_writereg (state, 0x34, state->pwm);
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//Comment by markus
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//0x2A[3-0] == PDIV -> P multiplaying factor (P=PDIV+1)(default 0)
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@@ -230,7 +232,7 @@ static int tda10021_init (struct dvb_frontend *fe)
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//0x2A[6] == POLAXIN -> Polarity of the input reference clock (default 0)
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//Activate PLL
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- tda10021_writereg(state, 0x2a, tda10021_inittab[0x2a] & 0xef);
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+ _tda10021_writereg(state, 0x2a, tda10021_inittab[0x2a] & 0xef);
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return 0;
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}
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@@ -264,12 +266,12 @@ static int tda10021_set_parameters (struct dvb_frontend *fe,
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}
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tda10021_set_symbolrate (state, p->u.qam.symbol_rate);
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- tda10021_writereg (state, 0x34, state->pwm);
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+ _tda10021_writereg (state, 0x34, state->pwm);
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- tda10021_writereg (state, 0x01, reg0x01[qam]);
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- tda10021_writereg (state, 0x05, reg0x05[qam]);
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- tda10021_writereg (state, 0x08, reg0x08[qam]);
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- tda10021_writereg (state, 0x09, reg0x09[qam]);
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+ _tda10021_writereg (state, 0x01, reg0x01[qam]);
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+ _tda10021_writereg (state, 0x05, reg0x05[qam]);
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+ _tda10021_writereg (state, 0x08, reg0x08[qam]);
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+ _tda10021_writereg (state, 0x09, reg0x09[qam]);
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tda10021_setup_reg0 (state, reg0x00[qam], p->inversion);
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@@ -342,8 +344,8 @@ static int tda10021_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
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*ucblocks = 0xffffffff;
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/* reset uncorrected block counter */
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- tda10021_writereg (state, 0x10, tda10021_inittab[0x10] & 0xdf);
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- tda10021_writereg (state, 0x10, tda10021_inittab[0x10]);
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+ _tda10021_writereg (state, 0x10, tda10021_inittab[0x10] & 0xdf);
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+ _tda10021_writereg (state, 0x10, tda10021_inittab[0x10]);
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return 0;
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}
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@@ -392,8 +394,8 @@ static int tda10021_sleep(struct dvb_frontend* fe)
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{
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struct tda10021_state* state = fe->demodulator_priv;
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- tda10021_writereg (state, 0x1b, 0x02); /* pdown ADC */
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- tda10021_writereg (state, 0x00, 0x80); /* standby */
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+ _tda10021_writereg (state, 0x1b, 0x02); /* pdown ADC */
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+ _tda10021_writereg (state, 0x00, 0x80); /* standby */
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return 0;
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}
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@@ -459,6 +461,7 @@ static struct dvb_frontend_ops tda10021_ops = {
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.init = tda10021_init,
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.sleep = tda10021_sleep,
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+ .write = tda10021_write,
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.i2c_gate_ctrl = tda10021_i2c_gate_ctrl,
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.set_frontend = tda10021_set_parameters,
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