/*
TDA10021 - Single Chip Cable Channel Receiver driver module
- used on the the Siemens DVB-C cards
+ used on the Siemens DVB-C cards
Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
Copyright (C) 2004 Markus Schulz <msc@antzsystem.de>
#include <linux/slab.h>
#include "dvb_frontend.h"
-#include "tda10021.h"
+#include "tda1002x.h"
struct tda10021_state {
struct i2c_adapter* i2c;
/* configuration settings */
- const struct tda10021_config* config;
+ const struct tda1002x_config* config;
struct dvb_frontend frontend;
u8 pwm;
static int verbose;
#define XIN 57840000UL
-#define DISABLE_INVERSION(reg0) do { reg0 |= 0x20; } while (0)
-#define ENABLE_INVERSION(reg0) do { reg0 &= ~0x20; } while (0)
-#define HAS_INVERSION(reg0) (!(reg0 & 0x20))
#define FIN (XIN >> 4)
{
0x73, 0x6a, 0x23, 0x0a, 0x02, 0x37, 0x77, 0x1a,
0x37, 0x6a, 0x17, 0x8a, 0x1e, 0x86, 0x43, 0x40,
- 0xb8, 0x3f, 0xa0, 0x00, 0xcd, 0x01, 0x00, 0xff,
+ 0xb8, 0x3f, 0xa1, 0x00, 0xcd, 0x01, 0x00, 0xff,
0x11, 0x00, 0x7c, 0x31, 0x30, 0x20, 0x00, 0x00,
0x02, 0x00, 0x00, 0x7d, 0x00, 0x00, 0x00, 0x00,
0x07, 0x00, 0x33, 0x11, 0x0d, 0x95, 0x08, 0x58,
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 };
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 };
int ret;
ret = i2c_transfer (state->i2c, msg, 2);
- if (ret != 2)
+ // Don't print an error message if the id is read.
+ if (ret != 2 && reg != 0x1a)
printk("DVB: TDA10021: %s: readreg error (ret == %i)\n",
__FUNCTION__, ret);
return b1[0];
{
reg0 |= state->reg0 & 0x63;
- if (INVERSION_ON == inversion)
- ENABLE_INVERSION(reg0);
- else if (INVERSION_OFF == inversion)
- DISABLE_INVERSION(reg0);
+ if ((INVERSION_ON == inversion) ^ (state->config->invert == 0))
+ reg0 &= ~0x20;
+ else
+ reg0 |= 0x20;
- 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;
}
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);
+ _tda10021_writereg(state, 0x2a, tda10021_inittab[0x2a] & 0xef);
return 0;
}
if (qam < 0 || qam > 5)
return -EINVAL;
+ if (p->inversion != INVERSION_ON && p->inversion != INVERSION_OFF)
+ return -EINVAL;
+
//printk("tda10021: set frequency to %d qam=%d symrate=%d\n", p->frequency,qam,p->u.qam.symbol_rate);
if (fe->ops.tuner_ops.set_params) {
}
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;
}
-((s32)p->u.qam.symbol_rate * afc) >> 10);
}
- p->inversion = HAS_INVERSION(state->reg0) ? INVERSION_ON : INVERSION_OFF;
+ p->inversion = ((state->reg0 & 0x20) == 0x20) ^ (state->config->invert != 0) ? INVERSION_ON : INVERSION_OFF;
p->u.qam.modulation = ((state->reg0 >> 2) & 7) + QAM_16;
p->u.qam.fec_inner = FEC_NONE;
{
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;
}
static struct dvb_frontend_ops tda10021_ops;
-struct dvb_frontend* tda10021_attach(const struct tda10021_config* config,
+struct dvb_frontend* tda10021_attach(const struct tda1002x_config* config,
struct i2c_adapter* i2c,
u8 pwm)
{
struct tda10021_state* state = NULL;
+ u8 id;
/* allocate memory for the internal state */
state = kmalloc(sizeof(struct tda10021_state), GFP_KERNEL);
state->reg0 = tda10021_inittab[0];
/* check if the demod is there */
- if ((tda10021_readreg(state, 0x1a) & 0xf0) != 0x70) goto error;
+ id = tda10021_readreg(state, 0x1a);
+ if ((id & 0xf0) != 0x70) goto error;
+
+ printk("TDA10021: i2c-addr = 0x%02x, id = 0x%02x\n",
+ state->config->demod_address, id);
/* create dvb_frontend */
memcpy(&state->frontend.ops, &tda10021_ops, sizeof(struct dvb_frontend_ops));
.frequency_max = 858000000,
.symbol_rate_min = (XIN/2)/64, /* SACLK/64 == (XIN/2)/64 */
.symbol_rate_max = (XIN/2)/4, /* SACLK/4 */
-#if 0
+ #if 0
.frequency_tolerance = ???,
.symbol_rate_tolerance = ???, /* ppm */ /* == 8% (spec p. 5) */
#endif
projects / deliverable / linux.git / blobdiff