72 static int _tda10021_writereg (struct tda10021_state* state, u8 reg, u8 data)  in _tda10021_writereg()  argument
75 	struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 };  in _tda10021_writereg()
78 	ret = i2c_transfer (state->i2c, &msg, 1);  in _tda10021_writereg()
82 			state->frontend.dvb->num, __func__, reg, data, ret);  in _tda10021_writereg()
88 static u8 tda10021_readreg (struct tda10021_state* state, u8 reg)  in tda10021_readreg()  argument
92 …struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 …  in tda10021_readreg()
93 				  { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } };  in tda10021_readreg()
96 	ret = i2c_transfer (state->i2c, msg, 2);  in tda10021_readreg()
105 static int lock_tuner(struct tda10021_state* state)  in lock_tuner()  argument
108 	struct i2c_msg msg = {.addr=state->config->demod_address, .flags=0, .buf=buf, .len=2};  in lock_tuner()
110 	if(i2c_transfer(state->i2c, &msg, 1) != 1)  in lock_tuner()
119 static int unlock_tuner(struct tda10021_state* state)  in unlock_tuner()  argument
122 	struct i2c_msg msg_post={.addr=state->config->demod_address, .flags=0, .buf=buf, .len=2};  in unlock_tuner()
124 	if(i2c_transfer(state->i2c, &msg_post, 1) != 1)  in unlock_tuner()
132 static int tda10021_setup_reg0 (struct tda10021_state* state, u8 reg0,  in tda10021_setup_reg0()  argument
135 	reg0 |= state->reg0 & 0x63;  in tda10021_setup_reg0()
137 	if ((INVERSION_ON == inversion) ^ (state->config->invert == 0))  in tda10021_setup_reg0()
142 	_tda10021_writereg (state, 0x00, reg0 & 0xfe);  in tda10021_setup_reg0()
143 	_tda10021_writereg (state, 0x00, reg0 | 0x01);  in tda10021_setup_reg0()
145 	state->reg0 = reg0;  in tda10021_setup_reg0()
149 static int tda10021_set_symbolrate (struct tda10021_state* state, u32 symbolrate)  in tda10021_set_symbolrate()  argument
191 	_tda10021_writereg (state, 0x03, NDEC);  in tda10021_set_symbolrate()
192 	_tda10021_writereg (state, 0x0a, BDR&0xff);  in tda10021_set_symbolrate()
193 	_tda10021_writereg (state, 0x0b, (BDR>> 8)&0xff);  in tda10021_set_symbolrate()
194 	_tda10021_writereg (state, 0x0c, (BDR>>16)&0x3f);  in tda10021_set_symbolrate()
196 	_tda10021_writereg (state, 0x0d, BDRI);  in tda10021_set_symbolrate()
197 	_tda10021_writereg (state, 0x0e, SFIL);  in tda10021_set_symbolrate()
204 	struct tda10021_state* state = fe->demodulator_priv;  in tda10021_init()  local
212 		_tda10021_writereg (state, i, tda10021_inittab[i]);  in tda10021_init()
214 	_tda10021_writereg (state, 0x34, state->pwm);  in tda10021_init()
223 	_tda10021_writereg(state, 0x2a, tda10021_inittab[0x2a] & 0xef);  in tda10021_init()
238 	struct tda10021_state* state = fe->demodulator_priv;  in tda10021_set_parameters()  local
289 	tda10021_set_symbolrate(state, c->symbol_rate);  in tda10021_set_parameters()
290 	_tda10021_writereg(state, 0x34, state->pwm);  in tda10021_set_parameters()
292 	_tda10021_writereg(state, 0x01, qam_params[qam].agcref);  in tda10021_set_parameters()
293 	_tda10021_writereg(state, 0x05, qam_params[qam].lthr);  in tda10021_set_parameters()
294 	_tda10021_writereg(state, 0x08, qam_params[qam].mseth);  in tda10021_set_parameters()
295 	_tda10021_writereg(state, 0x09, qam_params[qam].aref);  in tda10021_set_parameters()
301 	reg0x3d = tda10021_readreg (state, 0x3d);  in tda10021_set_parameters()
303 		_tda10021_writereg (state, 0x3d, 0x01 | reg0x3d);  in tda10021_set_parameters()
305 		_tda10021_writereg (state, 0x3d, 0xfe & reg0x3d);  in tda10021_set_parameters()
306 	tda10021_setup_reg0(state, qam_params[qam].conf, c->inversion);  in tda10021_set_parameters()
313 	struct tda10021_state* state = fe->demodulator_priv;  in tda10021_read_status()  local
322 	sync = tda10021_readreg (state, 0x11);  in tda10021_read_status()
338 	struct tda10021_state* state = fe->demodulator_priv;  in tda10021_read_ber()  local
340 	u32 _ber = tda10021_readreg(state, 0x14) |  in tda10021_read_ber()
341 		(tda10021_readreg(state, 0x15) << 8) |  in tda10021_read_ber()
342 		((tda10021_readreg(state, 0x16) & 0x0f) << 16);  in tda10021_read_ber()
343 	_tda10021_writereg(state, 0x10, (tda10021_readreg(state, 0x10) & ~0xc0)  in tda10021_read_ber()
352 	struct tda10021_state* state = fe->demodulator_priv;  in tda10021_read_signal_strength()  local
354 	u8 config = tda10021_readreg(state, 0x02);  in tda10021_read_signal_strength()
355 	u8 gain = tda10021_readreg(state, 0x17);  in tda10021_read_signal_strength()
366 	struct tda10021_state* state = fe->demodulator_priv;  in tda10021_read_snr()  local
368 	u8 quality = ~tda10021_readreg(state, 0x18);  in tda10021_read_snr()
376 	struct tda10021_state* state = fe->demodulator_priv;  in tda10021_read_ucblocks()  local
378 	*ucblocks = tda10021_readreg (state, 0x13) & 0x7f;  in tda10021_read_ucblocks()
383 	_tda10021_writereg (state, 0x10, tda10021_inittab[0x10] & 0xdf);  in tda10021_read_ucblocks()
384 	_tda10021_writereg (state, 0x10, tda10021_inittab[0x10]);  in tda10021_read_ucblocks()
392 	struct tda10021_state* state = fe->demodulator_priv;  in tda10021_get_frontend()  local
396 	sync = tda10021_readreg(state, 0x11);  in tda10021_get_frontend()
397 	afc = tda10021_readreg(state, 0x19);  in tda10021_get_frontend()
402 			state->frontend.dvb->num, afc,  in tda10021_get_frontend()
406 …p->inversion = ((state->reg0 & 0x20) == 0x20) ^ (state->config->invert != 0) ? INVERSION_ON : INVE…  in tda10021_get_frontend()
407 	p->modulation = ((state->reg0 >> 2) & 7) + QAM_16;  in tda10021_get_frontend()
420 	struct tda10021_state* state = fe->demodulator_priv;  in tda10021_i2c_gate_ctrl()  local
423 		lock_tuner(state);  in tda10021_i2c_gate_ctrl()
425 		unlock_tuner(state);  in tda10021_i2c_gate_ctrl()
432 	struct tda10021_state* state = fe->demodulator_priv;  in tda10021_sleep()  local
434 	_tda10021_writereg (state, 0x1b, 0x02);  /* pdown ADC */  in tda10021_sleep()
435 	_tda10021_writereg (state, 0x00, 0x80);  /* standby */  in tda10021_sleep()
442 	struct tda10021_state* state = fe->demodulator_priv;  in tda10021_release()  local
443 	kfree(state);  in tda10021_release()
452 	struct tda10021_state* state = NULL;  in tda10021_attach()  local
456 	state = kzalloc(sizeof(struct tda10021_state), GFP_KERNEL);  in tda10021_attach()
457 	if (state == NULL) goto error;  in tda10021_attach()
460 	state->config = config;  in tda10021_attach()
461 	state->i2c = i2c;  in tda10021_attach()
462 	state->pwm = pwm;  in tda10021_attach()
463 	state->reg0 = tda10021_inittab[0];  in tda10021_attach()
466 	id = tda10021_readreg(state, 0x1a);  in tda10021_attach()
474 	       state->config->demod_address, id);  in tda10021_attach()
477 	memcpy(&state->frontend.ops, &tda10021_ops, sizeof(struct dvb_frontend_ops));  in tda10021_attach()
478 	state->frontend.demodulator_priv = state;  in tda10021_attach()
479 	return &state->frontend;  in tda10021_attach()
482 	kfree(state);  in tda10021_attach()