/*
TDA10021 - Single Chip Cable Channel Receiver driver module
- used on the the Siemens DVB-C cards
+ used on the the Siemens DVB-C cards
Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
Copyright (C) 2004 Markus Schulz <msc@antzsystem.de>
- Suppport for TDA10021
+ Support for TDA10021
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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;
u8 pwm;
#define FIN (XIN >> 4)
-int tda10021_inittab_size = 0x40;
+static int tda10021_inittab_size = 0x40;
static u8 tda10021_inittab[0x40]=
{
0x73, 0x6a, 0x23, 0x0a, 0x02, 0x37, 0x77, 0x1a,
0x37, 0x6a, 0x17, 0x8a, 0x1e, 0x86, 0x43, 0x40,
- 0xb8, 0x3f, 0xa1, 0x00, 0xcd, 0x01, 0x00, 0xff,
+ 0xb8, 0x3f, 0xa0, 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 };
+ u8 buf[] = { reg, data };
struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 };
- int ret;
+ int ret;
ret = i2c_transfer (state->i2c, &msg, 1);
if (ret != 1)
return (ret != 1) ? -EREMOTEIO : 0;
}
-
static u8 tda10021_readreg (struct tda10021_state* state, u8 reg)
{
u8 b0 [] = { reg };
u8 b1 [] = { 0 };
struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 },
- { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } };
+ { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } };
int ret;
ret = i2c_transfer (state->i2c, msg, 2);
if (ret != 2)
- printk("DVB: TDA10021(%d): %s: readreg error (ret == %i)\n",
- state->frontend.dvb->num, __FUNCTION__, ret);
+ printk("DVB: TDA10021: %s: readreg error (ret == %i)\n",
+ __FUNCTION__, ret);
return b1[0];
}
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 = (struct tda10021_state*) fe->demodulator_priv;
+ struct tda10021_state* state = fe->demodulator_priv;
int i;
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;
}
static int tda10021_set_parameters (struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
{
- struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+ struct tda10021_state* state = fe->demodulator_priv;
//table for QAM4-QAM256 ready QAM4 QAM16 QAM32 QAM64 QAM128 QAM256
//CONF
//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);
static int tda10021_read_status(struct dvb_frontend* fe, fe_status_t* status)
{
- struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+ struct tda10021_state* state = fe->demodulator_priv;
int sync;
*status = 0;
static int tda10021_read_ber(struct dvb_frontend* fe, u32* ber)
{
- struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+ struct tda10021_state* state = fe->demodulator_priv;
u32 _ber = tda10021_readreg(state, 0x14) |
- (tda10021_readreg(state, 0x15) << 8) |
- ((tda10021_readreg(state, 0x16) & 0x0f) << 16);
+ (tda10021_readreg(state, 0x15) << 8) |
+ ((tda10021_readreg(state, 0x16) & 0x0f) << 16);
*ber = 10 * _ber;
return 0;
static int tda10021_read_signal_strength(struct dvb_frontend* fe, u16* strength)
{
- struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+ struct tda10021_state* state = fe->demodulator_priv;
u8 gain = tda10021_readreg(state, 0x17);
*strength = (gain << 8) | gain;
static int tda10021_read_snr(struct dvb_frontend* fe, u16* snr)
{
- struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+ struct tda10021_state* state = fe->demodulator_priv;
u8 quality = ~tda10021_readreg(state, 0x18);
*snr = (quality << 8) | quality;
static int tda10021_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
{
- struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+ struct tda10021_state* state = fe->demodulator_priv;
*ucblocks = tda10021_readreg (state, 0x13) & 0x7f;
if (*ucblocks == 0x7f)
*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;
}
static int tda10021_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
{
- struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+ struct tda10021_state* state = fe->demodulator_priv;
int sync;
s8 afc = 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 = (struct tda10021_state*) fe->demodulator_priv;
+ 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 void tda10021_release(struct dvb_frontend* fe)
{
- struct tda10021_state* state = (struct tda10021_state*) fe->demodulator_priv;
+ struct tda10021_state* state = fe->demodulator_priv;
kfree(state);
}
struct tda10021_state* state = NULL;
/* allocate memory for the internal state */
- state = (struct tda10021_state*) kmalloc(sizeof(struct tda10021_state), GFP_KERNEL);
+ state = kmalloc(sizeof(struct tda10021_state), GFP_KERNEL);
if (state == NULL) goto error;
/* 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;
error:
- if (state) kfree(state);
+ kfree(state);
return NULL;
}
.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
.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,
git://git.onelab.eu / linux-2.6.git / blobdiff