137 static int bcm3510_hab_get_response(struct bcm3510_state *st, u8 *buf, int len)  in bcm3510_hab_get_response()  argument
143 	if ((ret = bcm3510_writeB(st,0xa6,v)) < 0)  in bcm3510_hab_get_response()
147 		if ((ret = bcm3510_readB(st,0xa7,&v)) < 0)  in bcm3510_hab_get_response()
154 static int bcm3510_hab_send_request(struct bcm3510_state *st, u8 *buf, int len)  in bcm3510_hab_send_request()  argument
162 	if ((ret = bcm3510_readB(st,0xa8,&v)) < 0)  in bcm3510_hab_send_request()
167 		bcm3510_writeB(st,0xa8,v);  in bcm3510_hab_send_request()
174 	if ((ret = bcm3510_writeB(st,0xa6,hab)) < 0)  in bcm3510_hab_send_request()
179 		if ((ret = bcm3510_writeB(st,0xa7,hab)) < 0)  in bcm3510_hab_send_request()
186 	if ((ret = bcm3510_writeB(st,0xa8,v)) < 0)  in bcm3510_hab_send_request()
194 		if ((ret = bcm3510_readB(st,0xa8,&v)) < 0)  in bcm3510_hab_send_request()
205 static int bcm3510_do_hab_cmd(struct bcm3510_state *st, u8 cmd, u8 msgid, u8 *obuf, u8 olen, u8 *ib…  in bcm3510_do_hab_cmd()  argument
228 	if (mutex_lock_interruptible(&st->hab_mutex) < 0)  in bcm3510_do_hab_cmd()
231 	if ((ret = bcm3510_hab_send_request(st, ob, olen+2)) < 0 ||  in bcm3510_do_hab_cmd()
232 		(ret = bcm3510_hab_get_response(st, ib, ilen+2)) < 0)  in bcm3510_do_hab_cmd()
241 	mutex_unlock(&st->hab_mutex);  in bcm3510_do_hab_cmd()
247 static int bcm3510_is_ap_ready(struct bcm3510_state *st)
252 	if ((ret = bcm3510_readB(st,0xa8,&hab)) < 0 ||
253 		(ret = bcm3510_readB(st,0xa2,&ap) < 0))
265 static int bcm3510_bert_reset(struct bcm3510_state *st)  in bcm3510_bert_reset()  argument
270 	if ((ret = bcm3510_readB(st,0xfa,&b)) < 0)  in bcm3510_bert_reset()
273 	b.BERCTL_fa.RESYNC = 0; bcm3510_writeB(st,0xfa,b);  in bcm3510_bert_reset()
274 	b.BERCTL_fa.RESYNC = 1; bcm3510_writeB(st,0xfa,b);  in bcm3510_bert_reset()
275 	b.BERCTL_fa.RESYNC = 0; bcm3510_writeB(st,0xfa,b);  in bcm3510_bert_reset()
276 	b.BERCTL_fa.CNTCTL = 1; b.BERCTL_fa.BITCNT = 1; bcm3510_writeB(st,0xfa,b);  in bcm3510_bert_reset()
282 static int bcm3510_refresh_state(struct bcm3510_state *st)  in bcm3510_refresh_state()  argument
284 	if (time_after(jiffies,st->next_status_check)) {  in bcm3510_refresh_state()
285 …bcm3510_do_hab_cmd(st, CMD_STATUS, MSGID_STATUS1, NULL,0, (u8 *)&st->status1, sizeof(st->status1));  in bcm3510_refresh_state()
286 …bcm3510_do_hab_cmd(st, CMD_STATUS, MSGID_STATUS2, NULL,0, (u8 *)&st->status2, sizeof(st->status2));  in bcm3510_refresh_state()
287 		st->next_status_check = jiffies + (st->status_check_interval*HZ)/1000;  in bcm3510_refresh_state()
294 	struct bcm3510_state* st = fe->demodulator_priv;  in bcm3510_read_status()  local
295 	bcm3510_refresh_state(st);  in bcm3510_read_status()
298 	if (st->status1.STATUS1.RECEIVER_LOCK)  in bcm3510_read_status()
301 	if (st->status1.STATUS1.FEC_LOCK)  in bcm3510_read_status()
304 	if (st->status1.STATUS1.OUT_PLL_LOCK)  in bcm3510_read_status()
308 		st->status_check_interval = 1500;  in bcm3510_read_status()
310 		st->status_check_interval = 500;  in bcm3510_read_status()
318 	struct bcm3510_state* st = fe->demodulator_priv;  in bcm3510_read_ber()  local
319 	bcm3510_refresh_state(st);  in bcm3510_read_ber()
321 	*ber = (st->status2.LDBER0 << 16) | (st->status2.LDBER1 << 8) | st->status2.LDBER2;  in bcm3510_read_ber()
327 	struct bcm3510_state* st = fe->demodulator_priv;  in bcm3510_read_unc()  local
328 	bcm3510_refresh_state(st);  in bcm3510_read_unc()
329 	*unc = (st->status2.LDUERC0 << 8) | st->status2.LDUERC1;  in bcm3510_read_unc()
335 	struct bcm3510_state* st = fe->demodulator_priv;  in bcm3510_read_signal_strength()  local
338 	bcm3510_refresh_state(st);  in bcm3510_read_signal_strength()
339 	t = st->status2.SIGNAL;  in bcm3510_read_signal_strength()
355 	struct bcm3510_state* st = fe->demodulator_priv;  in bcm3510_read_snr()  local
356 	bcm3510_refresh_state(st);  in bcm3510_read_snr()
358 	*snr = st->status1.SNR_EST0*1000 + ((st->status1.SNR_EST1*1000) >> 8);  in bcm3510_read_snr()
363 static int bcm3510_tuner_cmd(struct bcm3510_state* st,u8 bc, u16 n, u8 a)  in bcm3510_tuner_cmd()  argument
449 	return bcm3510_do_hab_cmd(st,CMD_TUNE, MSGID_TUNE,(u8 *) &c,sizeof(c), NULL, 0);  in bcm3510_tuner_cmd()
452 static int bcm3510_set_freq(struct bcm3510_state* st,u32 freq)  in bcm3510_set_freq()  argument
490 		return bcm3510_tuner_cmd(st,bc,n,a);  in bcm3510_set_freq()
498 	struct bcm3510_state* st = fe->demodulator_priv;  in bcm3510_set_frontend()  local
560 	bcm3510_do_hab_cmd(st, CMD_ACQUIRE, MSGID_EXT_TUNER_ACQUIRE, (u8 *) &cmd, sizeof(cmd), NULL, 0);  in bcm3510_set_frontend()
565 	bcm3510_do_hab_cmd(st, CMD_STATE_CONTROL, MSGID_BERT_CONTROL, (u8 *) &bert, sizeof(bert), NULL, 0);  in bcm3510_set_frontend()
566 	bcm3510_do_hab_cmd(st, CMD_STATE_CONTROL, MSGID_BERT_SET, (u8 *) &bert, sizeof(bert), NULL, 0);  in bcm3510_set_frontend()
568 	bcm3510_bert_reset(st);  in bcm3510_set_frontend()
570 	ret = bcm3510_set_freq(st, c->frequency);  in bcm3510_set_frontend()
574 	memset(&st->status1,0,sizeof(st->status1));  in bcm3510_set_frontend()
575 	memset(&st->status2,0,sizeof(st->status2));  in bcm3510_set_frontend()
576 	st->status_check_interval = 500;  in bcm3510_set_frontend()
609 static int bcm3510_write_ram(struct bcm3510_state *st, u16 addr, const u8 *b,  in bcm3510_write_ram()  argument
617 	if ((ret = bcm3510_writeB(st,0xa9,vH)) < 0) return ret;  in bcm3510_write_ram()
618 	if ((ret = bcm3510_writeB(st,0xaa,vL)) < 0) return ret;  in bcm3510_write_ram()
622 		if ((ret = bcm3510_writeB(st,0xab,vD)) < 0)  in bcm3510_write_ram()
631 	struct bcm3510_state* st = fe->demodulator_priv;  in bcm3510_download_firmware()  local
638 	if ((ret = st->config->request_firmware(fe, &fw, BCM3510_DEFAULT_FIRMWARE)) < 0) {  in bcm3510_download_firmware()
649 		if ((ret = bcm3510_write_ram(st,addr,&b[i+4],len)) < 0) {  in bcm3510_download_firmware()
660 static int bcm3510_check_firmware_version(struct bcm3510_state *st)  in bcm3510_check_firmware_version()  argument
663 	bcm3510_do_hab_cmd(st,CMD_GET_VERSION_INFO,MSGID_GET_VERSION_INFO,NULL,0,(u8*)&ver,sizeof(ver));  in bcm3510_check_firmware_version()
678 static int bcm3510_reset(struct bcm3510_state *st)  in bcm3510_reset()  argument
684 	bcm3510_readB(st,0xa0,&v); v.HCTL1_a0.RESET = 1;  in bcm3510_reset()
685 	if ((ret = bcm3510_writeB(st,0xa0,v)) < 0)  in bcm3510_reset()
691 		if ((ret = bcm3510_readB(st,0xa2,&v)) < 0)  in bcm3510_reset()
701 static int bcm3510_clear_reset(struct bcm3510_state *st)  in bcm3510_clear_reset()  argument
708 	if ((ret = bcm3510_writeB(st,0xa0,v)) < 0)  in bcm3510_clear_reset()
714 		if ((ret = bcm3510_readB(st,0xa2,&v)) < 0)  in bcm3510_clear_reset()
725 static int bcm3510_init_cold(struct bcm3510_state *st)  in bcm3510_init_cold()  argument
731 	if ((ret = bcm3510_readB(st,0xa2,&v)) < 0)  in bcm3510_init_cold()
739 	if ((ret = bcm3510_reset(st)) < 0)  in bcm3510_init_cold()
745 	if ((ret = bcm3510_writeB(st,0x2e,v)) < 0)  in bcm3510_init_cold()
749 	if ((ret = bcm3510_download_firmware(&st->frontend)) < 0 ||  in bcm3510_init_cold()
750 		(ret = bcm3510_clear_reset(st)) < 0)  in bcm3510_init_cold()
760 	struct bcm3510_state* st = fe->demodulator_priv;  in bcm3510_init()  local
765 	if ((ret = bcm3510_readB(st,0xca,&j)) < 0)  in bcm3510_init()
773 			if ((ret = bcm3510_init_cold(st)) < 0)  in bcm3510_init()
777 			bcm3510_check_firmware_version(st);  in bcm3510_init()
785 	bcm3510_do_hab_cmd(st,CMD_AUTO_PARAM,MSGID_SET_RF_AGC_SEL,(u8 *)&c,sizeof(c),NULL,0);  in bcm3510_init()