61 static int tda8083_writereg (struct tda8083_state* state, u8 reg, u8 data)  in tda8083_writereg()  argument
65 	struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 };  in tda8083_writereg()
67 	ret = i2c_transfer(state->i2c, &msg, 1);  in tda8083_writereg()
76 static int tda8083_readregs (struct tda8083_state* state, u8 reg1, u8 *b, u8 len)  in tda8083_readregs()  argument
79 …struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = &reg1, .len =…  in tda8083_readregs()
80 			   { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b, .len = len } };  in tda8083_readregs()
82 	ret = i2c_transfer(state->i2c, msg, 2);  in tda8083_readregs()
91 static inline u8 tda8083_readreg (struct tda8083_state* state, u8 reg)  in tda8083_readreg()  argument
95 	tda8083_readregs (state, reg, &val, 1);  in tda8083_readreg()
100 static int tda8083_set_inversion (struct tda8083_state* state, fe_spectral_inversion_t inversion)  in tda8083_set_inversion()  argument
109 static int tda8083_set_fec (struct tda8083_state* state, fe_code_rate_t fec)  in tda8083_set_fec()  argument
112 		return tda8083_writereg (state, 0x07, 0xff);  in tda8083_set_fec()
115 		return tda8083_writereg (state, 0x07, 1 << (FEC_8_9 - fec));  in tda8083_set_fec()
120 static fe_code_rate_t tda8083_get_fec (struct tda8083_state* state)  in tda8083_get_fec()  argument
126 	index = tda8083_readreg(state, 0x0e) & 0x07;  in tda8083_get_fec()
131 static int tda8083_set_symbolrate (struct tda8083_state* state, u32 srate)  in tda8083_set_symbolrate()  argument
159 	tda8083_writereg (state, 0x05, filter);  in tda8083_set_symbolrate()
160 	tda8083_writereg (state, 0x02, (ratio >> 16) & 0xff);  in tda8083_set_symbolrate()
161 	tda8083_writereg (state, 0x03, (ratio >>  8) & 0xff);  in tda8083_set_symbolrate()
162 	tda8083_writereg (state, 0x04, (ratio      ) & 0xff);  in tda8083_set_symbolrate()
164 	tda8083_writereg (state, 0x00, 0x3c);  in tda8083_set_symbolrate()
165 	tda8083_writereg (state, 0x00, 0x04);  in tda8083_set_symbolrate()
170 static void tda8083_wait_diseqc_fifo (struct tda8083_state* state, int timeout)  in tda8083_wait_diseqc_fifo()  argument
175 	       !(tda8083_readreg(state, 0x02) & 0x80))  in tda8083_wait_diseqc_fifo()
181 static int tda8083_set_tone (struct tda8083_state* state, fe_sec_tone_mode_t tone)  in tda8083_set_tone()  argument
183 	tda8083_writereg (state, 0x26, 0xf1);  in tda8083_set_tone()
187 		return tda8083_writereg (state, 0x29, 0x00);  in tda8083_set_tone()
189 		return tda8083_writereg (state, 0x29, 0x80);  in tda8083_set_tone()
195 static int tda8083_set_voltage (struct tda8083_state* state, fe_sec_voltage_t voltage)  in tda8083_set_voltage()  argument
199 		return tda8083_writereg (state, 0x20, 0x00);  in tda8083_set_voltage()
201 		return tda8083_writereg (state, 0x20, 0x11);  in tda8083_set_voltage()
207 static int tda8083_send_diseqc_burst (struct tda8083_state* state, fe_sec_mini_cmd_t burst)  in tda8083_send_diseqc_burst()  argument
211 		tda8083_writereg (state, 0x29, (5 << 2));  /* send burst A */  in tda8083_send_diseqc_burst()
214 		tda8083_writereg (state, 0x29, (7 << 2));  /* send B */  in tda8083_send_diseqc_burst()
220 	tda8083_wait_diseqc_fifo (state, 100);  in tda8083_send_diseqc_burst()
228 	struct tda8083_state* state = fe->demodulator_priv;  in tda8083_send_diseqc_msg()  local
231 	tda8083_writereg (state, 0x29, (m->msg_len - 3) | (1 << 2)); /* enable */  in tda8083_send_diseqc_msg()
234 		tda8083_writereg (state, 0x23 + i, m->msg[i]);  in tda8083_send_diseqc_msg()
236 	tda8083_writereg (state, 0x29, (m->msg_len - 3) | (3 << 2)); /* send!! */  in tda8083_send_diseqc_msg()
238 	tda8083_wait_diseqc_fifo (state, 100);  in tda8083_send_diseqc_msg()
245 	struct tda8083_state* state = fe->demodulator_priv;  in tda8083_read_status()  local
247 	u8 signal = ~tda8083_readreg (state, 0x01);  in tda8083_read_status()
248 	u8 sync = tda8083_readreg (state, 0x02);  in tda8083_read_status()
275 	struct tda8083_state* state = fe->demodulator_priv;  in tda8083_read_ber()  local
279 	if ((ret = tda8083_readregs(state, 0x0b, buf, sizeof(buf))))  in tda8083_read_ber()
289 	struct tda8083_state* state = fe->demodulator_priv;  in tda8083_read_signal_strength()  local
291 	u8 signal = ~tda8083_readreg (state, 0x01);  in tda8083_read_signal_strength()
299 	struct tda8083_state* state = fe->demodulator_priv;  in tda8083_read_snr()  local
301 	u8 _snr = tda8083_readreg (state, 0x08);  in tda8083_read_snr()
309 	struct tda8083_state* state = fe->demodulator_priv;  in tda8083_read_ucblocks()  local
311 	*ucblocks = tda8083_readreg(state, 0x0f);  in tda8083_read_ucblocks()
321 	struct tda8083_state* state = fe->demodulator_priv;  in tda8083_set_frontend()  local
328 	tda8083_set_inversion (state, p->inversion);  in tda8083_set_frontend()
329 	tda8083_set_fec(state, p->fec_inner);  in tda8083_set_frontend()
330 	tda8083_set_symbolrate(state, p->symbol_rate);  in tda8083_set_frontend()
332 	tda8083_writereg (state, 0x00, 0x3c);  in tda8083_set_frontend()
333 	tda8083_writereg (state, 0x00, 0x04);  in tda8083_set_frontend()
341 	struct tda8083_state* state = fe->demodulator_priv;  in tda8083_get_frontend()  local
345 	p->inversion = (tda8083_readreg (state, 0x0e) & 0x80) ?  in tda8083_get_frontend()
347 	p->fec_inner = tda8083_get_fec(state);  in tda8083_get_frontend()
355 	struct tda8083_state* state = fe->demodulator_priv;  in tda8083_sleep()  local
357 	tda8083_writereg (state, 0x00, 0x02);  in tda8083_sleep()
363 	struct tda8083_state* state = fe->demodulator_priv;  in tda8083_init()  local
367 		tda8083_writereg (state, i, tda8083_init_tab[i]);  in tda8083_init()
369 	tda8083_writereg (state, 0x00, 0x3c);  in tda8083_init()
370 	tda8083_writereg (state, 0x00, 0x04);  in tda8083_init()
377 	struct tda8083_state* state = fe->demodulator_priv;  in tda8083_diseqc_send_burst()  local
379 	tda8083_send_diseqc_burst (state, burst);  in tda8083_diseqc_send_burst()
380 	tda8083_writereg (state, 0x00, 0x3c);  in tda8083_diseqc_send_burst()
381 	tda8083_writereg (state, 0x00, 0x04);  in tda8083_diseqc_send_burst()
388 	struct tda8083_state* state = fe->demodulator_priv;  in tda8083_diseqc_set_tone()  local
390 	tda8083_set_tone (state, tone);  in tda8083_diseqc_set_tone()
391 	tda8083_writereg (state, 0x00, 0x3c);  in tda8083_diseqc_set_tone()
392 	tda8083_writereg (state, 0x00, 0x04);  in tda8083_diseqc_set_tone()
399 	struct tda8083_state* state = fe->demodulator_priv;  in tda8083_diseqc_set_voltage()  local
401 	tda8083_set_voltage (state, voltage);  in tda8083_diseqc_set_voltage()
402 	tda8083_writereg (state, 0x00, 0x3c);  in tda8083_diseqc_set_voltage()
403 	tda8083_writereg (state, 0x00, 0x04);  in tda8083_diseqc_set_voltage()
410 	struct tda8083_state* state = fe->demodulator_priv;  in tda8083_release()  local
411 	kfree(state);  in tda8083_release()
419 	struct tda8083_state* state = NULL;  in tda8083_attach()  local
422 	state = kzalloc(sizeof(struct tda8083_state), GFP_KERNEL);  in tda8083_attach()
423 	if (state == NULL) goto error;  in tda8083_attach()
426 	state->config = config;  in tda8083_attach()
427 	state->i2c = i2c;  in tda8083_attach()
430 	if ((tda8083_readreg(state, 0x00)) != 0x05) goto error;  in tda8083_attach()
433 	memcpy(&state->frontend.ops, &tda8083_ops, sizeof(struct dvb_frontend_ops));  in tda8083_attach()
434 	state->frontend.demodulator_priv = state;  in tda8083_attach()
435 	return &state->frontend;  in tda8083_attach()
438 	kfree(state);  in tda8083_attach()