diff options
Diffstat (limited to 'drivers/media/dvb/frontends/tda10021.c')
| -rw-r--r-- | drivers/media/dvb/frontends/tda10021.c | 63 |
1 files changed, 33 insertions, 30 deletions
diff --git a/drivers/media/dvb/frontends/tda10021.c b/drivers/media/dvb/frontends/tda10021.c index 9cbd164aa28..dca89171be1 100644 --- a/drivers/media/dvb/frontends/tda10021.c +++ b/drivers/media/dvb/frontends/tda10021.c @@ -72,7 +72,7 @@ static u8 tda10021_inittab[0x40]= 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 }; @@ -88,14 +88,6 @@ static int tda10021_writereg (struct tda10021_state* state, u8 reg, u8 data) return (ret != 1) ? -EREMOTEIO : 0; } -int tda10021_write_byte(struct dvb_frontend* fe, int reg, int data) -{ - struct tda10021_state* state = fe->demodulator_priv; - - return tda10021_writereg(state, reg, data); -} -EXPORT_SYMBOL(tda10021_write_byte); - static u8 tda10021_readreg (struct tda10021_state* state, u8 reg) { u8 b0 [] = { reg }; @@ -149,8 +141,8 @@ static int tda10021_setup_reg0 (struct tda10021_state* state, u8 reg0, 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; @@ -198,17 +190,27 @@ static int tda10021_set_symbolrate (struct tda10021_state* state, u32 symbolrate 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; @@ -216,12 +218,12 @@ static int tda10021_init (struct dvb_frontend *fe) 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) @@ -230,7 +232,7 @@ static int tda10021_init (struct dvb_frontend *fe) //0x2A[6] == POLAXIN -> Polarity of the input reference clock (default 0) //Activate PLL - tda10021_writereg(state, 0x2a, tda10021_inittab[0x2a] & 0xef); + _tda10021_writereg(state, 0x2a, tda10021_inittab[0x2a] & 0xef); return 0; } @@ -264,12 +266,12 @@ static int tda10021_set_parameters (struct dvb_frontend *fe, } 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); @@ -342,8 +344,8 @@ static int tda10021_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) *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; } @@ -392,8 +394,8 @@ 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; } @@ -459,6 +461,7 @@ static struct dvb_frontend_ops tda10021_ops = { .init = tda10021_init, .sleep = tda10021_sleep, + .write = tda10021_write, .i2c_gate_ctrl = tda10021_i2c_gate_ctrl, .set_frontend = tda10021_set_parameters, |