[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / dvb / siano / smsdvb.c

/*
 *  Driver for the Siano SMS10xx 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 3 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);

struct list_head g_smsdvb_clients;
kmutex_t g_smsdvb_clientslock;

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;

			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_signal_strength = 0;
		}

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

	smscore_putbuffer(client->coredev, cb);

	return 0;
}

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);
}

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

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_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 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,
};

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_info("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_info("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");

	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 ST	1	/*
	2	* Driver for the Siano SMS10xx USB dongle
	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
85447060 MK	9	* it under the terms of the GNU General Public License version 3 as
85447060 MK	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
2e5c1ec8 MK	30	struct list_head g_smsdvb_clients;
	31	kmutex_t g_smsdvb_clientslock;
	32
18245e18	33	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;
2e5c1ec8	63
82237416 MK	64	if (p->Stat.InBandPwr < -95)
	65	client->fe_signal_strength = 0;
	66	else if (p->Stat.InBandPwr > -29)
	67	client->fe_signal_strength = 100;
	68	else
	69	client->fe_signal_strength =
	70	(p->Stat.InBandPwr + 95) * 3 / 2;
	71	} else {
	72	client->fe_status = 0;
	73	client->fe_snr =
	74	client->fe_ber =
	75	client->fe_signal_strength = 0;
2e5c1ec8	76	}
82237416 MK	77
	78	complete(&client->stat_done);
	79	break;
	80	} }
2e5c1ec8 MK	81
	82	smscore_putbuffer(client->coredev, cb);
	83
	84	return 0;
	85	}
	86
18245e18	87	void smsdvb_unregister_client(struct smsdvb_client_t *client)
2e5c1ec8	88	{
fa830e8a	89	/* must be called under clientslock */
2e5c1ec8 MK	90
	91	list_del(&client->entry);
	92
	93	smscore_unregister_client(client->smsclient);
	94	dvb_unregister_frontend(&client->frontend);
	95	dvb_dmxdev_release(&client->dmxdev);
	96	dvb_dmx_release(&client->demux);
	97	dvb_unregister_adapter(&client->adapter);
	98	kfree(client);
	99	}
	100
	101	void smsdvb_onremove(void *context)
	102	{
	103	kmutex_lock(&g_smsdvb_clientslock);
	104
18245e18	105	smsdvb_unregister_client((struct smsdvb_client_t *) context);
2e5c1ec8 MK	106
	107	kmutex_unlock(&g_smsdvb_clientslock);
	108	}
	109
	110	static int smsdvb_start_feed(struct dvb_demux_feed *feed)
	111	{
18245e18 MK	112	struct smsdvb_client_t *client =
	113	container_of(feed->demux, struct smsdvb_client_t, demux);
	114	struct SmsMsgData_ST PidMsg;
2e5c1ec8	115
a0c0abcb	116	sms_debug("add pid %d(%x)",
068d6c0f	117	feed->pid, feed->pid);
2e5c1ec8 MK	118
	119	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	120	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
	121	PidMsg.xMsgHeader.msgFlags = 0;
	122	PidMsg.xMsgHeader.msgType = MSG_SMS_ADD_PID_FILTER_REQ;
	123	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
	124	PidMsg.msgData[0] = feed->pid;
	125
82237416 MK	126	return smsclient_sendrequest(client->smsclient,
82237416 MK	127	&PidMsg, sizeof(PidMsg));
2e5c1ec8 MK	128	}
	129
	130	static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
	131	{
18245e18 MK	132	struct smsdvb_client_t *client =
	133	container_of(feed->demux, struct smsdvb_client_t, demux);
	134	struct SmsMsgData_ST PidMsg;
2e5c1ec8	135
a0c0abcb	136	sms_debug("remove pid %d(%x)",
068d6c0f	137	feed->pid, feed->pid);
2e5c1ec8 MK	138
	139	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	140	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
	141	PidMsg.xMsgHeader.msgFlags = 0;
	142	PidMsg.xMsgHeader.msgType = MSG_SMS_REMOVE_PID_FILTER_REQ;
	143	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
	144	PidMsg.msgData[0] = feed->pid;
	145
82237416 MK	146	return smsclient_sendrequest(client->smsclient,
82237416 MK	147	&PidMsg, sizeof(PidMsg));
2e5c1ec8 MK	148	}
2e5c1ec8 MK	149
18245e18	150	static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
a83ccdd6 MK	151	void *buffer, size_t size,
a83ccdd6 MK	152	struct completion *completion)
2e5c1ec8 MK	153	{
	154	int rc = smsclient_sendrequest(client->smsclient, buffer, size);
	155	if (rc < 0)
	156	return rc;
	157
82237416 MK	158	return wait_for_completion_timeout(completion,
	159	msecs_to_jiffies(2000)) ?
	160	0 : -ETIME;
2e5c1ec8 MK	161	}
2e5c1ec8 MK	162
18245e18	163	static int smsdvb_send_statistics_request(struct smsdvb_client_t *client)
2e5c1ec8	164	{
18245e18	165	struct SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ,
82237416	166	DVBT_BDA_CONTROL_MSG_ID,
18245e18	167	HIF_TASK, sizeof(struct SmsMsgHdr_ST), 0 };
82237416 MK	168	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
82237416 MK	169	&client->stat_done);
2e5c1ec8 MK	170	}
	171
	172	static int smsdvb_read_status(struct dvb_frontend fe, fe_status_t stat)
	173	{
18245e18 MK	174	struct smsdvb_client_t *client =
18245e18 MK	175	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8 MK	176	int rc = smsdvb_send_statistics_request(client);
	177
	178	if (!rc)
	179	*stat = client->fe_status;
	180
	181	return rc;
	182	}
	183
	184	static int smsdvb_read_ber(struct dvb_frontend fe, u32 ber)
	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	*ber = client->fe_ber;
	192
	193	return rc;
	194	}
	195
	196	static int smsdvb_read_signal_strength(struct dvb_frontend fe, u16 strength)
	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	*strength = client->fe_signal_strength;
	204
	205	return rc;
	206	}
	207
	208	static int smsdvb_read_snr(struct dvb_frontend fe, u16 snr)
	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	*snr = client->fe_snr;
	216
	217	return rc;
	218	}
	219
82237416 MK	220	static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
82237416 MK	221	struct dvb_frontend_tune_settings *tune)
2e5c1ec8	222	{
a0c0abcb	223	sms_debug("");
2e5c1ec8 MK	224
	225	tune->min_delay_ms = 400;
	226	tune->step_size = 250000;
	227	tune->max_drift = 0;
	228	return 0;
	229	}
	230
82237416 MK	231	static int smsdvb_set_frontend(struct dvb_frontend *fe,
82237416 MK	232	struct dvb_frontend_parameters *fep)
2e5c1ec8	233	{
18245e18 MK	234	struct smsdvb_client_t *client =
18245e18 MK	235	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8	236
18245e18 MK	237	struct {
18245e18 MK	238	struct SmsMsgHdr_ST Msg;
82237416	239	u32 Data[3];
2e5c1ec8 MK	240	} Msg;
	241
	242	Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	243	Msg.Msg.msgDstId = HIF_TASK;
	244	Msg.Msg.msgFlags = 0;
	245	Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ;
	246	Msg.Msg.msgLength = sizeof(Msg);
	247	Msg.Data[0] = fep->frequency;
	248	Msg.Data[2] = 12000000;
	249
a0c0abcb	250	sms_debug("freq %d band %d",
068d6c0f	251	fep->frequency, fep->u.ofdm.bandwidth);
2e5c1ec8	252
fa830e8a MK	253	switch (fep->u.ofdm.bandwidth) {
	254	case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break;
	255	case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break;
	256	case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break;
	257	case BANDWIDTH_AUTO: return -EOPNOTSUPP;
	258	default: return -EINVAL;
2e5c1ec8 MK	259	}
2e5c1ec8 MK	260
82237416 MK	261	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
82237416 MK	262	&client->tune_done);
2e5c1ec8 MK	263	}
2e5c1ec8 MK	264
82237416 MK	265	static int smsdvb_get_frontend(struct dvb_frontend *fe,
82237416 MK	266	struct dvb_frontend_parameters *fep)
2e5c1ec8	267	{
18245e18 MK	268	struct smsdvb_client_t *client =
18245e18 MK	269	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8	270
a0c0abcb	271	sms_debug("");
2e5c1ec8	272
fa830e8a	273	/* todo: */
82237416 MK	274	memcpy(fep, &client->fe_params,
82237416 MK	275	sizeof(struct dvb_frontend_parameters));
2e5c1ec8 MK	276	return 0;
	277	}
	278
	279	static void smsdvb_release(struct dvb_frontend *fe)
	280	{
fa830e8a	281	/* do nothing */
2e5c1ec8 MK	282	}
	283
	284	static struct dvb_frontend_ops smsdvb_fe_ops = {
	285	.info = {
1c11d546	286	.name = "Siano Mobile Digital SMS1xxx",
82237416	287	.type = FE_OFDM,
2e5c1ec8 MK	288	.frequency_min = 44250000,
	289	.frequency_max = 867250000,
	290	.frequency_stepsize = 250000,
	291	.caps = FE_CAN_INVERSION_AUTO \|
82237416 MK	292	FE_CAN_FEC_1_2 \| FE_CAN_FEC_2_3 \| FE_CAN_FEC_3_4 \|
	293	FE_CAN_FEC_5_6 \| FE_CAN_FEC_7_8 \| FE_CAN_FEC_AUTO \|
	294	FE_CAN_QPSK \| FE_CAN_QAM_16 \| FE_CAN_QAM_64 \|
	295	FE_CAN_QAM_AUTO \| FE_CAN_TRANSMISSION_MODE_AUTO \|
	296	FE_CAN_GUARD_INTERVAL_AUTO \|
	297	FE_CAN_RECOVER \|
	298	FE_CAN_HIERARCHY_AUTO,
2e5c1ec8 MK	299	},
	300
	301	.release = smsdvb_release,
	302
	303	.set_frontend = smsdvb_set_frontend,
	304	.get_frontend = smsdvb_get_frontend,
	305	.get_tune_settings = smsdvb_get_tune_settings,
	306
	307	.read_status = smsdvb_read_status,
	308	.read_ber = smsdvb_read_ber,
	309	.read_signal_strength = smsdvb_read_signal_strength,
	310	.read_snr = smsdvb_read_snr,
	311	};
	312
18245e18	313	int smsdvb_hotplug(struct smscore_device_t *coredev,
82237416	314	struct device *device, int arrival)
2e5c1ec8	315	{
18245e18 MK	316	struct smsclient_params_t params;
18245e18 MK	317	struct smsdvb_client_t *client;
2e5c1ec8 MK	318	int rc;
2e5c1ec8 MK	319
fa830e8a	320	/* device removal handled by onremove callback */
2e5c1ec8 MK	321	if (!arrival)
	322	return 0;
	323
82237416	324	if (smscore_get_device_mode(coredev) != 4) {
a0c0abcb MK	325	sms_err("SMS Device mode is not set for "
a0c0abcb MK	326	"DVB operation.");
f17407a8	327	return 0;
2e5c1ec8 MK	328	}
2e5c1ec8 MK	329
18245e18	330	client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
82237416	331	if (!client) {
a0c0abcb	332	sms_info("kmalloc() failed");
2e5c1ec8 MK	333	return -ENOMEM;
	334	}
	335
fa830e8a	336	/* register dvb adapter */
1c11d546 MK	337	rc = dvb_register_adapter(&client->adapter,
	338	sms_get_board(
	339	smscore_get_board_id(coredev))->name,
82237416 MK	340	THIS_MODULE, device, adapter_nr);
82237416 MK	341	if (rc < 0) {
a0c0abcb	342	sms_err("dvb_register_adapter() failed %d", rc);
2e5c1ec8 MK	343	goto adapter_error;
	344	}
	345
fa830e8a	346	/* init dvb demux */
2e5c1ec8	347	client->demux.dmx.capabilities = DMX_TS_FILTERING;
fa830e8a	348	client->demux.filternum = 32; /* todo: nova ??? */
2e5c1ec8 MK	349	client->demux.feednum = 32;
	350	client->demux.start_feed = smsdvb_start_feed;
	351	client->demux.stop_feed = smsdvb_stop_feed;
	352
	353	rc = dvb_dmx_init(&client->demux);
82237416	354	if (rc < 0) {
a0c0abcb	355	sms_err("dvb_dmx_init failed %d", rc);
2e5c1ec8 MK	356	goto dvbdmx_error;
	357	}
	358
fa830e8a	359	/* init dmxdev */
2e5c1ec8 MK	360	client->dmxdev.filternum = 32;
	361	client->dmxdev.demux = &client->demux.dmx;
	362	client->dmxdev.capabilities = 0;
	363
	364	rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
82237416	365	if (rc < 0) {
a0c0abcb	366	sms_err("dvb_dmxdev_init failed %d", rc);
2e5c1ec8 MK	367	goto dmxdev_error;
	368	}
	369
fa830e8a	370	/* init and register frontend */
82237416 MK	371	memcpy(&client->frontend.ops, &smsdvb_fe_ops,
82237416 MK	372	sizeof(struct dvb_frontend_ops));
2e5c1ec8 MK	373
2e5c1ec8 MK	374	rc = dvb_register_frontend(&client->adapter, &client->frontend);
82237416	375	if (rc < 0) {
a0c0abcb	376	sms_err("frontend registration failed %d", rc);
2e5c1ec8 MK	377	goto frontend_error;
	378	}
	379
f17407a8	380	params.initial_id = 1;
2e5c1ec8 MK	381	params.data_type = MSG_SMS_DVBT_BDA_DATA;
	382	params.onresponse_handler = smsdvb_onresponse;
	383	params.onremove_handler = smsdvb_onremove;
	384	params.context = client;
	385
	386	rc = smscore_register_client(coredev, &params, &client->smsclient);
82237416	387	if (rc < 0) {
a0c0abcb	388	sms_info("smscore_register_client() failed %d", rc);
2e5c1ec8 MK	389	goto client_error;
	390	}
	391
	392	client->coredev = coredev;
	393
	394	init_completion(&client->tune_done);
	395	init_completion(&client->stat_done);
	396
	397	kmutex_lock(&g_smsdvb_clientslock);
	398
	399	list_add(&client->entry, &g_smsdvb_clients);
	400
	401	kmutex_unlock(&g_smsdvb_clientslock);
	402
a0c0abcb	403	sms_info("success");
2e5c1ec8 MK	404
	405	return 0;
	406
	407	client_error:
	408	dvb_unregister_frontend(&client->frontend);
	409
	410	frontend_error:
	411	dvb_dmxdev_release(&client->dmxdev);
	412
	413	dmxdev_error:
	414	dvb_dmx_release(&client->demux);
	415
	416	dvbdmx_error:
	417	dvb_unregister_adapter(&client->adapter);
	418
	419	adapter_error:
	420	kfree(client);
	421	return rc;
	422	}
	423
eae55660 ST	424	int smsdvb_register(void)
	425	{
	426	int rc;
	427
	428	INIT_LIST_HEAD(&g_smsdvb_clients);
	429	kmutex_init(&g_smsdvb_clientslock);
	430
	431	rc = smscore_register_hotplug(smsdvb_hotplug);
	432
a0c0abcb	433	sms_debug("");
eae55660 ST	434
	435	return rc;
	436	}
	437
	438	void smsdvb_unregister(void)
	439	{
	440	smscore_unregister_hotplug(smsdvb_hotplug);
	441
	442	kmutex_lock(&g_smsdvb_clientslock);
	443
	444	while (!list_empty(&g_smsdvb_clients))
82237416	445	smsdvb_unregister_client(
18245e18	446	(struct smsdvb_client_t *) g_smsdvb_clients.next);
eae55660 ST	447
eae55660 ST	448	kmutex_unlock(&g_smsdvb_clientslock);
eae55660	449	}