[deliverable/linux.git] / drivers / media / dvb / siano / smsdvb.c

/*
 *  Driver for the Siano SMS1xxx USB dongle
 *
 *  author: Anatoly Greenblat
 *
 *  Copyright (c), 2005-2008 Siano Mobile Silicon, Inc.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation;
 *
 *  Software distributed under the License is distributed on an "AS IS"
 *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
 *
 *  See the GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/module.h>
#include <linux/init.h>

#include "smscoreapi.h"
#include "sms-cards.h"

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

static struct list_head g_smsdvb_clients;
static struct mutex g_smsdvb_clientslock;

static int smsdvb_onresponse(void *context, struct smscore_buffer_t *cb)
{
	struct smsdvb_client_t *client = (struct smsdvb_client_t *) context;
	struct SmsMsgHdr_ST *phdr =
		(struct SmsMsgHdr_ST *)(((u8 *) cb->p) + cb->offset);

	switch (phdr->msgType) {
	case MSG_SMS_DVBT_BDA_DATA:
		dvb_dmx_swfilter(&client->demux, (u8 *)(phdr + 1),
				 cb->size - sizeof(struct SmsMsgHdr_ST));
		break;

	case MSG_SMS_RF_TUNE_RES:
		complete(&client->tune_done);
		break;

	case MSG_SMS_GET_STATISTICS_RES:
	{
		struct SmsMsgStatisticsInfo_ST *p =
			(struct SmsMsgStatisticsInfo_ST *)(phdr + 1);

		if (p->Stat.IsDemodLocked) {
			client->fe_status = FE_HAS_SIGNAL |
					    FE_HAS_CARRIER |
					    FE_HAS_VITERBI |
					    FE_HAS_SYNC |
					    FE_HAS_LOCK;

			client->fe_snr = p->Stat.SNR;
			client->fe_ber = p->Stat.BER;
			client->fe_unc = p->Stat.BERErrorCount;

			if (p->Stat.InBandPwr < -95)
				client->fe_signal_strength = 0;
			else if (p->Stat.InBandPwr > -29)
				client->fe_signal_strength = 100;
			else
				client->fe_signal_strength =
					(p->Stat.InBandPwr + 95) * 3 / 2;
		} else {
			client->fe_status = 0;
			client->fe_snr =
			client->fe_ber =
			client->fe_unc =
			client->fe_signal_strength = 0;
		}

		complete(&client->stat_done);
		break;
	} }

	smscore_putbuffer(client->coredev, cb);

	return 0;
}

static void smsdvb_unregister_client(struct smsdvb_client_t *client)
{
	/* must be called under clientslock */

	list_del(&client->entry);

	smscore_unregister_client(client->smsclient);
	dvb_unregister_frontend(&client->frontend);
	dvb_dmxdev_release(&client->dmxdev);
	dvb_dmx_release(&client->demux);
	dvb_unregister_adapter(&client->adapter);
	kfree(client);
}

static void smsdvb_onremove(void *context)
{
	kmutex_lock(&g_smsdvb_clientslock);

	smsdvb_unregister_client((struct smsdvb_client_t *) context);

	kmutex_unlock(&g_smsdvb_clientslock);
}

static int smsdvb_start_feed(struct dvb_demux_feed *feed)
{
	struct smsdvb_client_t *client =
		container_of(feed->demux, struct smsdvb_client_t, demux);
	struct SmsMsgData_ST PidMsg;

	sms_debug("add pid %d(%x)",
		  feed->pid, feed->pid);

	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
	PidMsg.xMsgHeader.msgFlags = 0;
	PidMsg.xMsgHeader.msgType  = MSG_SMS_ADD_PID_FILTER_REQ;
	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
	PidMsg.msgData[0] = feed->pid;

	return smsclient_sendrequest(client->smsclient,
				     &PidMsg, sizeof(PidMsg));
}

static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
{
	struct smsdvb_client_t *client =
		container_of(feed->demux, struct smsdvb_client_t, demux);
	struct SmsMsgData_ST PidMsg;

	sms_debug("remove pid %d(%x)",
		  feed->pid, feed->pid);

	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
	PidMsg.xMsgHeader.msgFlags = 0;
	PidMsg.xMsgHeader.msgType  = MSG_SMS_REMOVE_PID_FILTER_REQ;
	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
	PidMsg.msgData[0] = feed->pid;

	return smsclient_sendrequest(client->smsclient,
				     &PidMsg, sizeof(PidMsg));
}

static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
					void *buffer, size_t size,
					struct completion *completion)
{
	int rc = smsclient_sendrequest(client->smsclient, buffer, size);
	if (rc < 0)
		return rc;

	return wait_for_completion_timeout(completion,
					   msecs_to_jiffies(2000)) ?
						0 : -ETIME;
}

static int smsdvb_send_statistics_request(struct smsdvb_client_t *client)
{
	struct SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ,
			     DVBT_BDA_CONTROL_MSG_ID,
			     HIF_TASK, sizeof(struct SmsMsgHdr_ST), 0 };
	int ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
					      &client->stat_done);
	if (ret < 0)
		return ret;

	if (client->fe_status & FE_HAS_LOCK)
		sms_board_led_feedback(client->coredev,
				       (client->fe_unc == 0) ?
				       SMS_LED_HI : SMS_LED_LO);
	else
		sms_board_led_feedback(client->coredev, SMS_LED_OFF);
	return ret;
}

static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat)
{
	struct smsdvb_client_t *client =
		container_of(fe, struct smsdvb_client_t, frontend);
	int rc = smsdvb_send_statistics_request(client);

	if (!rc)
		*stat = client->fe_status;

	return rc;
}

static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber)
{
	struct smsdvb_client_t *client =
		container_of(fe, struct smsdvb_client_t, frontend);
	int rc = smsdvb_send_statistics_request(client);

	if (!rc)
		*ber = client->fe_ber;

	return rc;
}

static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
{
	struct smsdvb_client_t *client =
		container_of(fe, struct smsdvb_client_t, frontend);
	int rc = smsdvb_send_statistics_request(client);

	if (!rc)
		*strength = client->fe_signal_strength;

	return rc;
}

static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr)
{
	struct smsdvb_client_t *client =
		container_of(fe, struct smsdvb_client_t, frontend);
	int rc = smsdvb_send_statistics_request(client);

	if (!rc)
		*snr = client->fe_snr;

	return rc;
}

static int smsdvb_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{
	struct smsdvb_client_t *client =
		container_of(fe, struct smsdvb_client_t, frontend);
	int rc = smsdvb_send_statistics_request(client);

	if (!rc)
		*ucblocks = client->fe_unc;

	return rc;
}

static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
				    struct dvb_frontend_tune_settings *tune)
{
	sms_debug("");

	tune->min_delay_ms = 400;
	tune->step_size = 250000;
	tune->max_drift = 0;
	return 0;
}

static int smsdvb_set_frontend(struct dvb_frontend *fe,
			       struct dvb_frontend_parameters *fep)
{
	struct smsdvb_client_t *client =
		container_of(fe, struct smsdvb_client_t, frontend);

	struct {
		struct SmsMsgHdr_ST	Msg;
		u32		Data[3];
	} Msg;

	Msg.Msg.msgSrcId  = DVBT_BDA_CONTROL_MSG_ID;
	Msg.Msg.msgDstId  = HIF_TASK;
	Msg.Msg.msgFlags  = 0;
	Msg.Msg.msgType   = MSG_SMS_RF_TUNE_REQ;
	Msg.Msg.msgLength = sizeof(Msg);
	Msg.Data[0] = fep->frequency;
	Msg.Data[2] = 12000000;

	sms_debug("freq %d band %d",
		  fep->frequency, fep->u.ofdm.bandwidth);

	switch (fep->u.ofdm.bandwidth) {
	case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break;
	case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break;
	case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break;
	case BANDWIDTH_AUTO: return -EOPNOTSUPP;
	default: return -EINVAL;
	}

	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
					   &client->tune_done);
}

static int smsdvb_get_frontend(struct dvb_frontend *fe,
			       struct dvb_frontend_parameters *fep)
{
	struct smsdvb_client_t *client =
		container_of(fe, struct smsdvb_client_t, frontend);

	sms_debug("");

	/* todo: */
	memcpy(fep, &client->fe_params,
	       sizeof(struct dvb_frontend_parameters));

	return 0;
}

static int smsdvb_init(struct dvb_frontend *fe)
{
	struct smsdvb_client_t *client =
		container_of(fe, struct smsdvb_client_t, frontend);

	sms_board_power(client->coredev, 1);

	return 0;
}

static int smsdvb_sleep(struct dvb_frontend *fe)
{
	struct smsdvb_client_t *client =
		container_of(fe, struct smsdvb_client_t, frontend);

	sms_board_led_feedback(client->coredev, SMS_LED_OFF);
	sms_board_power(client->coredev, 0);

	return 0;
}

static void smsdvb_release(struct dvb_frontend *fe)
{
	/* do nothing */
}

static struct dvb_frontend_ops smsdvb_fe_ops = {
	.info = {
		.name			= "Siano Mobile Digital SMS1xxx",
		.type			= FE_OFDM,
		.frequency_min		= 44250000,
		.frequency_max		= 867250000,
		.frequency_stepsize	= 250000,
		.caps = FE_CAN_INVERSION_AUTO |
			FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
			FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
			FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
			FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO |
			FE_CAN_GUARD_INTERVAL_AUTO |
			FE_CAN_RECOVER |
			FE_CAN_HIERARCHY_AUTO,
	},

	.release = smsdvb_release,

	.set_frontend = smsdvb_set_frontend,
	.get_frontend = smsdvb_get_frontend,
	.get_tune_settings = smsdvb_get_tune_settings,

	.read_status = smsdvb_read_status,
	.read_ber = smsdvb_read_ber,
	.read_signal_strength = smsdvb_read_signal_strength,
	.read_snr = smsdvb_read_snr,
	.read_ucblocks = smsdvb_read_ucblocks,

	.init = smsdvb_init,
	.sleep = smsdvb_sleep,
};

static int smsdvb_hotplug(struct smscore_device_t *coredev,
			  struct device *device, int arrival)
{
	struct smsclient_params_t params;
	struct smsdvb_client_t *client;
	int rc;

	/* device removal handled by onremove callback */
	if (!arrival)
		return 0;

	if (smscore_get_device_mode(coredev) != 4) {
		sms_err("SMS Device mode is not set for "
			"DVB operation.");
		return 0;
	}

	client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
	if (!client) {
		sms_err("kmalloc() failed");
		return -ENOMEM;
	}

	/* register dvb adapter */
	rc = dvb_register_adapter(&client->adapter,
				  sms_get_board(
					smscore_get_board_id(coredev))->name,
				  THIS_MODULE, device, adapter_nr);
	if (rc < 0) {
		sms_err("dvb_register_adapter() failed %d", rc);
		goto adapter_error;
	}

	/* init dvb demux */
	client->demux.dmx.capabilities = DMX_TS_FILTERING;
	client->demux.filternum = 32; /* todo: nova ??? */
	client->demux.feednum = 32;
	client->demux.start_feed = smsdvb_start_feed;
	client->demux.stop_feed = smsdvb_stop_feed;

	rc = dvb_dmx_init(&client->demux);
	if (rc < 0) {
		sms_err("dvb_dmx_init failed %d", rc);
		goto dvbdmx_error;
	}

	/* init dmxdev */
	client->dmxdev.filternum = 32;
	client->dmxdev.demux = &client->demux.dmx;
	client->dmxdev.capabilities = 0;

	rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
	if (rc < 0) {
		sms_err("dvb_dmxdev_init failed %d", rc);
		goto dmxdev_error;
	}

	/* init and register frontend */
	memcpy(&client->frontend.ops, &smsdvb_fe_ops,
	       sizeof(struct dvb_frontend_ops));

	rc = dvb_register_frontend(&client->adapter, &client->frontend);
	if (rc < 0) {
		sms_err("frontend registration failed %d", rc);
		goto frontend_error;
	}

	params.initial_id = 1;
	params.data_type = MSG_SMS_DVBT_BDA_DATA;
	params.onresponse_handler = smsdvb_onresponse;
	params.onremove_handler = smsdvb_onremove;
	params.context = client;

	rc = smscore_register_client(coredev, &params, &client->smsclient);
	if (rc < 0) {
		sms_err("smscore_register_client() failed %d", rc);
		goto client_error;
	}

	client->coredev = coredev;

	init_completion(&client->tune_done);
	init_completion(&client->stat_done);

	kmutex_lock(&g_smsdvb_clientslock);

	list_add(&client->entry, &g_smsdvb_clients);

	kmutex_unlock(&g_smsdvb_clientslock);

	sms_info("success");

	sms_board_setup(coredev);

	return 0;

client_error:
	dvb_unregister_frontend(&client->frontend);

frontend_error:
	dvb_dmxdev_release(&client->dmxdev);

dmxdev_error:
	dvb_dmx_release(&client->demux);

dvbdmx_error:
	dvb_unregister_adapter(&client->adapter);

adapter_error:
	kfree(client);
	return rc;
}

int smsdvb_register(void)
{
	int rc;

	INIT_LIST_HEAD(&g_smsdvb_clients);
	kmutex_init(&g_smsdvb_clientslock);

	rc = smscore_register_hotplug(smsdvb_hotplug);

	sms_debug("");

	return rc;
}

void smsdvb_unregister(void)
{
	smscore_unregister_hotplug(smsdvb_hotplug);

	kmutex_lock(&g_smsdvb_clientslock);

	while (!list_empty(&g_smsdvb_clients))
	       smsdvb_unregister_client(
			(struct smsdvb_client_t *) g_smsdvb_clients.next);

	kmutex_unlock(&g_smsdvb_clientslock);
}
Commit	Line	Data
8d4f9d0e	1	/*
8f37356b	2	* Driver for the Siano SMS1xxx USB dongle
8d4f9d0e	3	*
85447060 MK	4	* author: Anatoly Greenblat
	5	*
	6	* Copyright (c), 2005-2008 Siano Mobile Silicon, Inc.
8d4f9d0e ST	7	*
8d4f9d0e ST	8	* This program is free software; you can redistribute it and/or modify
09a29b77	9	* it under the terms of the GNU General Public License version 2 as
85447060	10	* published by the Free Software Foundation;
8d4f9d0e	11	*
85447060 MK	12	* Software distributed under the License is distributed on an "AS IS"
85447060 MK	13	* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
8d4f9d0e	14	*
85447060	15	* See the GNU General Public License for more details.
8d4f9d0e ST	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*/
	21
2e5c1ec8 MK	22	#include <linux/module.h>
	23	#include <linux/init.h>
	24
2e5c1ec8	25	#include "smscoreapi.h"
1c11d546	26	#include "sms-cards.h"
2e5c1ec8	27
9c59f968 MK	28	DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
9c59f968 MK	29
c5e0bd1a AB	30	static struct list_head g_smsdvb_clients;
c5e0bd1a AB	31	static struct mutex g_smsdvb_clientslock;
2e5c1ec8	32
0c071f37	33	static int smsdvb_onresponse(void context, struct smscore_buffer_t cb)
2e5c1ec8	34	{
18245e18 MK	35	struct smsdvb_client_t client = (struct smsdvb_client_t ) context;
	36	struct SmsMsgHdr_ST *phdr =
	37	(struct SmsMsgHdr_ST )(((u8 ) cb->p) + cb->offset);
2e5c1ec8	38
fa830e8a	39	switch (phdr->msgType) {
82237416 MK	40	case MSG_SMS_DVBT_BDA_DATA:
82237416 MK	41	dvb_dmx_swfilter(&client->demux, (u8 *)(phdr + 1),
18245e18	42	cb->size - sizeof(struct SmsMsgHdr_ST));
82237416 MK	43	break;
	44
	45	case MSG_SMS_RF_TUNE_RES:
	46	complete(&client->tune_done);
	47	break;
2e5c1ec8	48
82237416 MK	49	case MSG_SMS_GET_STATISTICS_RES:
82237416 MK	50	{
18245e18 MK	51	struct SmsMsgStatisticsInfo_ST *p =
18245e18 MK	52	(struct SmsMsgStatisticsInfo_ST *)(phdr + 1);
2e5c1ec8	53
fa830e8a	54	if (p->Stat.IsDemodLocked) {
82237416 MK	55	client->fe_status = FE_HAS_SIGNAL \|
	56	FE_HAS_CARRIER \|
	57	FE_HAS_VITERBI \|
	58	FE_HAS_SYNC \|
	59	FE_HAS_LOCK;
	60
	61	client->fe_snr = p->Stat.SNR;
	62	client->fe_ber = p->Stat.BER;
851a9091	63	client->fe_unc = p->Stat.BERErrorCount;
2e5c1ec8	64
82237416 MK	65	if (p->Stat.InBandPwr < -95)
	66	client->fe_signal_strength = 0;
	67	else if (p->Stat.InBandPwr > -29)
	68	client->fe_signal_strength = 100;
	69	else
	70	client->fe_signal_strength =
	71	(p->Stat.InBandPwr + 95) * 3 / 2;
	72	} else {
	73	client->fe_status = 0;
	74	client->fe_snr =
	75	client->fe_ber =
851a9091	76	client->fe_unc =
82237416	77	client->fe_signal_strength = 0;
2e5c1ec8	78	}
82237416 MK	79
	80	complete(&client->stat_done);
	81	break;
	82	} }
2e5c1ec8 MK	83
	84	smscore_putbuffer(client->coredev, cb);
	85
	86	return 0;
	87	}
	88
0c071f37	89	static void smsdvb_unregister_client(struct smsdvb_client_t *client)
2e5c1ec8	90	{
fa830e8a	91	/* must be called under clientslock */
2e5c1ec8 MK	92
	93	list_del(&client->entry);
	94
	95	smscore_unregister_client(client->smsclient);
	96	dvb_unregister_frontend(&client->frontend);
	97	dvb_dmxdev_release(&client->dmxdev);
	98	dvb_dmx_release(&client->demux);
	99	dvb_unregister_adapter(&client->adapter);
	100	kfree(client);
	101	}
	102
0c071f37	103	static void smsdvb_onremove(void *context)
2e5c1ec8 MK	104	{
	105	kmutex_lock(&g_smsdvb_clientslock);
	106
18245e18	107	smsdvb_unregister_client((struct smsdvb_client_t *) context);
2e5c1ec8 MK	108
	109	kmutex_unlock(&g_smsdvb_clientslock);
	110	}
	111
	112	static int smsdvb_start_feed(struct dvb_demux_feed *feed)
	113	{
18245e18 MK	114	struct smsdvb_client_t *client =
	115	container_of(feed->demux, struct smsdvb_client_t, demux);
	116	struct SmsMsgData_ST PidMsg;
2e5c1ec8	117
a0c0abcb	118	sms_debug("add pid %d(%x)",
068d6c0f	119	feed->pid, feed->pid);
2e5c1ec8 MK	120
	121	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	122	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
	123	PidMsg.xMsgHeader.msgFlags = 0;
	124	PidMsg.xMsgHeader.msgType = MSG_SMS_ADD_PID_FILTER_REQ;
	125	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
	126	PidMsg.msgData[0] = feed->pid;
	127
82237416 MK	128	return smsclient_sendrequest(client->smsclient,
82237416 MK	129	&PidMsg, sizeof(PidMsg));
2e5c1ec8 MK	130	}
	131
	132	static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
	133	{
18245e18 MK	134	struct smsdvb_client_t *client =
	135	container_of(feed->demux, struct smsdvb_client_t, demux);
	136	struct SmsMsgData_ST PidMsg;
2e5c1ec8	137
a0c0abcb	138	sms_debug("remove pid %d(%x)",
068d6c0f	139	feed->pid, feed->pid);
2e5c1ec8 MK	140
	141	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	142	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
	143	PidMsg.xMsgHeader.msgFlags = 0;
	144	PidMsg.xMsgHeader.msgType = MSG_SMS_REMOVE_PID_FILTER_REQ;
	145	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
	146	PidMsg.msgData[0] = feed->pid;
	147
82237416 MK	148	return smsclient_sendrequest(client->smsclient,
82237416 MK	149	&PidMsg, sizeof(PidMsg));
2e5c1ec8 MK	150	}
2e5c1ec8 MK	151
18245e18	152	static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
a83ccdd6 MK	153	void *buffer, size_t size,
a83ccdd6 MK	154	struct completion *completion)
2e5c1ec8 MK	155	{
	156	int rc = smsclient_sendrequest(client->smsclient, buffer, size);
	157	if (rc < 0)
	158	return rc;
	159
82237416 MK	160	return wait_for_completion_timeout(completion,
	161	msecs_to_jiffies(2000)) ?
	162	0 : -ETIME;
2e5c1ec8 MK	163	}
2e5c1ec8 MK	164
18245e18	165	static int smsdvb_send_statistics_request(struct smsdvb_client_t *client)
2e5c1ec8	166	{
18245e18	167	struct SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ,
82237416	168	DVBT_BDA_CONTROL_MSG_ID,
18245e18	169	HIF_TASK, sizeof(struct SmsMsgHdr_ST), 0 };
7b29e10d MK	170	int ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
	171	&client->stat_done);
	172	if (ret < 0)
	173	return ret;
	174
	175	if (client->fe_status & FE_HAS_LOCK)
	176	sms_board_led_feedback(client->coredev,
	177	(client->fe_unc == 0) ?
	178	SMS_LED_HI : SMS_LED_LO);
	179	else
	180	sms_board_led_feedback(client->coredev, SMS_LED_OFF);
	181	return ret;
2e5c1ec8 MK	182	}
	183
	184	static int smsdvb_read_status(struct dvb_frontend fe, fe_status_t stat)
	185	{
18245e18 MK	186	struct smsdvb_client_t *client =
18245e18 MK	187	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8 MK	188	int rc = smsdvb_send_statistics_request(client);
	189
	190	if (!rc)
	191	*stat = client->fe_status;
	192
	193	return rc;
	194	}
	195
	196	static int smsdvb_read_ber(struct dvb_frontend fe, u32 ber)
	197	{
18245e18 MK	198	struct smsdvb_client_t *client =
18245e18 MK	199	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8 MK	200	int rc = smsdvb_send_statistics_request(client);
	201
	202	if (!rc)
	203	*ber = client->fe_ber;
	204
	205	return rc;
	206	}
	207
	208	static int smsdvb_read_signal_strength(struct dvb_frontend fe, u16 strength)
	209	{
18245e18 MK	210	struct smsdvb_client_t *client =
18245e18 MK	211	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8 MK	212	int rc = smsdvb_send_statistics_request(client);
	213
	214	if (!rc)
	215	*strength = client->fe_signal_strength;
	216
	217	return rc;
	218	}
	219
	220	static int smsdvb_read_snr(struct dvb_frontend fe, u16 snr)
	221	{
18245e18 MK	222	struct smsdvb_client_t *client =
18245e18 MK	223	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8 MK	224	int rc = smsdvb_send_statistics_request(client);
	225
	226	if (!rc)
	227	*snr = client->fe_snr;
	228
	229	return rc;
	230	}
	231
851a9091 MK	232	static int smsdvb_read_ucblocks(struct dvb_frontend fe, u32 ucblocks)
	233	{
	234	struct smsdvb_client_t *client =
	235	container_of(fe, struct smsdvb_client_t, frontend);
	236	int rc = smsdvb_send_statistics_request(client);
	237
	238	if (!rc)
	239	*ucblocks = client->fe_unc;
	240
	241	return rc;
	242	}
	243
82237416 MK	244	static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
82237416 MK	245	struct dvb_frontend_tune_settings *tune)
2e5c1ec8	246	{
a0c0abcb	247	sms_debug("");
2e5c1ec8 MK	248
	249	tune->min_delay_ms = 400;
	250	tune->step_size = 250000;
	251	tune->max_drift = 0;
	252	return 0;
	253	}
	254
82237416 MK	255	static int smsdvb_set_frontend(struct dvb_frontend *fe,
82237416 MK	256	struct dvb_frontend_parameters *fep)
2e5c1ec8	257	{
18245e18 MK	258	struct smsdvb_client_t *client =
18245e18 MK	259	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8	260
18245e18 MK	261	struct {
18245e18 MK	262	struct SmsMsgHdr_ST Msg;
82237416	263	u32 Data[3];
2e5c1ec8 MK	264	} Msg;
	265
	266	Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	267	Msg.Msg.msgDstId = HIF_TASK;
	268	Msg.Msg.msgFlags = 0;
	269	Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ;
	270	Msg.Msg.msgLength = sizeof(Msg);
	271	Msg.Data[0] = fep->frequency;
	272	Msg.Data[2] = 12000000;
	273
a0c0abcb	274	sms_debug("freq %d band %d",
068d6c0f	275	fep->frequency, fep->u.ofdm.bandwidth);
2e5c1ec8	276
fa830e8a MK	277	switch (fep->u.ofdm.bandwidth) {
	278	case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break;
	279	case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break;
	280	case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break;
	281	case BANDWIDTH_AUTO: return -EOPNOTSUPP;
	282	default: return -EINVAL;
2e5c1ec8 MK	283	}
2e5c1ec8 MK	284
82237416 MK	285	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
82237416 MK	286	&client->tune_done);
2e5c1ec8 MK	287	}
2e5c1ec8 MK	288
82237416 MK	289	static int smsdvb_get_frontend(struct dvb_frontend *fe,
82237416 MK	290	struct dvb_frontend_parameters *fep)
2e5c1ec8	291	{
18245e18 MK	292	struct smsdvb_client_t *client =
18245e18 MK	293	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8	294
a0c0abcb	295	sms_debug("");
2e5c1ec8	296
fa830e8a	297	/* todo: */
82237416 MK	298	memcpy(fep, &client->fe_params,
82237416 MK	299	sizeof(struct dvb_frontend_parameters));
7a6fbed6 MK	300
	301	return 0;
	302	}
	303
	304	static int smsdvb_init(struct dvb_frontend *fe)
	305	{
	306	struct smsdvb_client_t *client =
	307	container_of(fe, struct smsdvb_client_t, frontend);
	308
	309	sms_board_power(client->coredev, 1);
	310
	311	return 0;
	312	}
	313
	314	static int smsdvb_sleep(struct dvb_frontend *fe)
	315	{
	316	struct smsdvb_client_t *client =
	317	container_of(fe, struct smsdvb_client_t, frontend);
	318
7b29e10d	319	sms_board_led_feedback(client->coredev, SMS_LED_OFF);
7a6fbed6 MK	320	sms_board_power(client->coredev, 0);
7a6fbed6 MK	321
2e5c1ec8 MK	322	return 0;
	323	}
	324
	325	static void smsdvb_release(struct dvb_frontend *fe)
	326	{
fa830e8a	327	/* do nothing */
2e5c1ec8 MK	328	}
	329
	330	static struct dvb_frontend_ops smsdvb_fe_ops = {
	331	.info = {
1c11d546	332	.name = "Siano Mobile Digital SMS1xxx",
82237416	333	.type = FE_OFDM,
2e5c1ec8 MK	334	.frequency_min = 44250000,
	335	.frequency_max = 867250000,
	336	.frequency_stepsize = 250000,
	337	.caps = FE_CAN_INVERSION_AUTO \|
82237416 MK	338	FE_CAN_FEC_1_2 \| FE_CAN_FEC_2_3 \| FE_CAN_FEC_3_4 \|
	339	FE_CAN_FEC_5_6 \| FE_CAN_FEC_7_8 \| FE_CAN_FEC_AUTO \|
	340	FE_CAN_QPSK \| FE_CAN_QAM_16 \| FE_CAN_QAM_64 \|
	341	FE_CAN_QAM_AUTO \| FE_CAN_TRANSMISSION_MODE_AUTO \|
	342	FE_CAN_GUARD_INTERVAL_AUTO \|
	343	FE_CAN_RECOVER \|
	344	FE_CAN_HIERARCHY_AUTO,
2e5c1ec8 MK	345	},
	346
	347	.release = smsdvb_release,
	348
	349	.set_frontend = smsdvb_set_frontend,
	350	.get_frontend = smsdvb_get_frontend,
	351	.get_tune_settings = smsdvb_get_tune_settings,
	352
	353	.read_status = smsdvb_read_status,
	354	.read_ber = smsdvb_read_ber,
	355	.read_signal_strength = smsdvb_read_signal_strength,
	356	.read_snr = smsdvb_read_snr,
851a9091	357	.read_ucblocks = smsdvb_read_ucblocks,
7a6fbed6 MK	358
	359	.init = smsdvb_init,
	360	.sleep = smsdvb_sleep,
2e5c1ec8 MK	361	};
2e5c1ec8 MK	362
0c071f37 MK	363	static int smsdvb_hotplug(struct smscore_device_t *coredev,
0c071f37 MK	364	struct device *device, int arrival)
2e5c1ec8	365	{
18245e18 MK	366	struct smsclient_params_t params;
18245e18 MK	367	struct smsdvb_client_t *client;
2e5c1ec8 MK	368	int rc;
2e5c1ec8 MK	369
fa830e8a	370	/* device removal handled by onremove callback */
2e5c1ec8 MK	371	if (!arrival)
	372	return 0;
	373
82237416	374	if (smscore_get_device_mode(coredev) != 4) {
a0c0abcb MK	375	sms_err("SMS Device mode is not set for "
a0c0abcb MK	376	"DVB operation.");
f17407a8	377	return 0;
2e5c1ec8 MK	378	}
2e5c1ec8 MK	379
18245e18	380	client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
82237416	381	if (!client) {
eb250942	382	sms_err("kmalloc() failed");
2e5c1ec8 MK	383	return -ENOMEM;
	384	}
	385
fa830e8a	386	/* register dvb adapter */
1c11d546 MK	387	rc = dvb_register_adapter(&client->adapter,
	388	sms_get_board(
	389	smscore_get_board_id(coredev))->name,
82237416 MK	390	THIS_MODULE, device, adapter_nr);
82237416 MK	391	if (rc < 0) {
a0c0abcb	392	sms_err("dvb_register_adapter() failed %d", rc);
2e5c1ec8 MK	393	goto adapter_error;
	394	}
	395
fa830e8a	396	/* init dvb demux */
2e5c1ec8	397	client->demux.dmx.capabilities = DMX_TS_FILTERING;
fa830e8a	398	client->demux.filternum = 32; /* todo: nova ??? */
2e5c1ec8 MK	399	client->demux.feednum = 32;
	400	client->demux.start_feed = smsdvb_start_feed;
	401	client->demux.stop_feed = smsdvb_stop_feed;
	402
	403	rc = dvb_dmx_init(&client->demux);
82237416	404	if (rc < 0) {
a0c0abcb	405	sms_err("dvb_dmx_init failed %d", rc);
2e5c1ec8 MK	406	goto dvbdmx_error;
	407	}
	408
fa830e8a	409	/* init dmxdev */
2e5c1ec8 MK	410	client->dmxdev.filternum = 32;
	411	client->dmxdev.demux = &client->demux.dmx;
	412	client->dmxdev.capabilities = 0;
	413
	414	rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
82237416	415	if (rc < 0) {
a0c0abcb	416	sms_err("dvb_dmxdev_init failed %d", rc);
2e5c1ec8 MK	417	goto dmxdev_error;
	418	}
	419
fa830e8a	420	/* init and register frontend */
82237416 MK	421	memcpy(&client->frontend.ops, &smsdvb_fe_ops,
82237416 MK	422	sizeof(struct dvb_frontend_ops));
2e5c1ec8 MK	423
2e5c1ec8 MK	424	rc = dvb_register_frontend(&client->adapter, &client->frontend);
82237416	425	if (rc < 0) {
a0c0abcb	426	sms_err("frontend registration failed %d", rc);
2e5c1ec8 MK	427	goto frontend_error;
	428	}
	429
f17407a8	430	params.initial_id = 1;
2e5c1ec8 MK	431	params.data_type = MSG_SMS_DVBT_BDA_DATA;
	432	params.onresponse_handler = smsdvb_onresponse;
	433	params.onremove_handler = smsdvb_onremove;
	434	params.context = client;
	435
	436	rc = smscore_register_client(coredev, &params, &client->smsclient);
82237416	437	if (rc < 0) {
eb250942	438	sms_err("smscore_register_client() failed %d", rc);
2e5c1ec8 MK	439	goto client_error;
	440	}
	441
	442	client->coredev = coredev;
	443
	444	init_completion(&client->tune_done);
	445	init_completion(&client->stat_done);
	446
	447	kmutex_lock(&g_smsdvb_clientslock);
	448
	449	list_add(&client->entry, &g_smsdvb_clients);
	450
	451	kmutex_unlock(&g_smsdvb_clientslock);
	452
a0c0abcb	453	sms_info("success");
2e5c1ec8	454
250fa674 MK	455	sms_board_setup(coredev);
250fa674 MK	456
2e5c1ec8 MK	457	return 0;
	458
	459	client_error:
	460	dvb_unregister_frontend(&client->frontend);
	461
	462	frontend_error:
	463	dvb_dmxdev_release(&client->dmxdev);
	464
	465	dmxdev_error:
	466	dvb_dmx_release(&client->demux);
	467
	468	dvbdmx_error:
	469	dvb_unregister_adapter(&client->adapter);
	470
	471	adapter_error:
	472	kfree(client);
	473	return rc;
	474	}
	475
eae55660 ST	476	int smsdvb_register(void)
	477	{
	478	int rc;
	479
	480	INIT_LIST_HEAD(&g_smsdvb_clients);
	481	kmutex_init(&g_smsdvb_clientslock);
	482
	483	rc = smscore_register_hotplug(smsdvb_hotplug);
	484
a0c0abcb	485	sms_debug("");
eae55660 ST	486
	487	return rc;
	488	}
	489
	490	void smsdvb_unregister(void)
	491	{
	492	smscore_unregister_hotplug(smsdvb_hotplug);
	493
	494	kmutex_lock(&g_smsdvb_clientslock);
	495
	496	while (!list_empty(&g_smsdvb_clients))
82237416	497	smsdvb_unregister_client(
18245e18	498	(struct smsdvb_client_t *) g_smsdvb_clients.next);
eae55660 ST	499
eae55660 ST	500	kmutex_unlock(&g_smsdvb_clientslock);
eae55660	501	}