[deliverable/linux.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"

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;

	printk(KERN_DEBUG "%s add pid %d(%x)\n", __func__,
	       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;

	printk(KERN_DEBUG "%s remove pid %d(%x)\n", __func__,
	       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)
{
	printk(KERN_DEBUG "%s\n", __func__);

	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;

	printk(KERN_DEBUG "%s freq %d band %d\n", __func__,
	       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);

	printk(KERN_DEBUG "%s\n", __func__);

	/* 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 SMS10xx",
		.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) {
		printk(KERN_ERR "%sSMS Device mode is not set for "
		       "DVB operation.\n", __func__);
		return 0;
	}

	client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
	if (!client) {
		printk(KERN_INFO "%s kmalloc() failed\n", __func__);
		return -ENOMEM;
	}

	/* register dvb adapter */
	rc = dvb_register_adapter(&client->adapter, "Siano Digital Receiver",
				  THIS_MODULE, device, adapter_nr);
	if (rc < 0) {
		printk(KERN_ERR "%s dvb_register_adapter() failed %d\n",
		       __func__, 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) {
		printk(KERN_ERR "%s dvb_dmx_init failed %d\n\n",
		       __func__, 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) {
		printk(KERN_ERR "%s dvb_dmxdev_init failed %d\n",
		       __func__, 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) {
		printk(KERN_ERR "%s frontend registration failed %d\n",
		       __func__, 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) {
		printk(KERN_INFO "%s smscore_register_client() failed %d\n",
		       __func__, 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);

	printk(KERN_INFO "%s success\n", __func__);

	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);

	printk(KERN_INFO "%s\n", __func__);

	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"
2e5c1ec8	26
9c59f968 MK	27	DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
9c59f968 MK	28
2e5c1ec8 MK	29	struct list_head g_smsdvb_clients;
	30	kmutex_t g_smsdvb_clientslock;
	31
18245e18	32	int smsdvb_onresponse(void context, struct smscore_buffer_t cb)
2e5c1ec8	33	{
18245e18 MK	34	struct smsdvb_client_t client = (struct smsdvb_client_t ) context;
	35	struct SmsMsgHdr_ST *phdr =
	36	(struct SmsMsgHdr_ST )(((u8 ) cb->p) + cb->offset);
2e5c1ec8	37
fa830e8a	38	switch (phdr->msgType) {
82237416 MK	39	case MSG_SMS_DVBT_BDA_DATA:
82237416 MK	40	dvb_dmx_swfilter(&client->demux, (u8 *)(phdr + 1),
18245e18	41	cb->size - sizeof(struct SmsMsgHdr_ST));
82237416 MK	42	break;
	43
	44	case MSG_SMS_RF_TUNE_RES:
	45	complete(&client->tune_done);
	46	break;
2e5c1ec8	47
82237416 MK	48	case MSG_SMS_GET_STATISTICS_RES:
82237416 MK	49	{
18245e18 MK	50	struct SmsMsgStatisticsInfo_ST *p =
18245e18 MK	51	(struct SmsMsgStatisticsInfo_ST *)(phdr + 1);
2e5c1ec8	52
fa830e8a	53	if (p->Stat.IsDemodLocked) {
82237416 MK	54	client->fe_status = FE_HAS_SIGNAL \|
	55	FE_HAS_CARRIER \|
	56	FE_HAS_VITERBI \|
	57	FE_HAS_SYNC \|
	58	FE_HAS_LOCK;
	59
	60	client->fe_snr = p->Stat.SNR;
	61	client->fe_ber = p->Stat.BER;
2e5c1ec8	62
82237416 MK	63	if (p->Stat.InBandPwr < -95)
	64	client->fe_signal_strength = 0;
	65	else if (p->Stat.InBandPwr > -29)
	66	client->fe_signal_strength = 100;
	67	else
	68	client->fe_signal_strength =
	69	(p->Stat.InBandPwr + 95) * 3 / 2;
	70	} else {
	71	client->fe_status = 0;
	72	client->fe_snr =
	73	client->fe_ber =
	74	client->fe_signal_strength = 0;
2e5c1ec8	75	}
82237416 MK	76
	77	complete(&client->stat_done);
	78	break;
	79	} }
2e5c1ec8 MK	80
	81	smscore_putbuffer(client->coredev, cb);
	82
	83	return 0;
	84	}
	85
18245e18	86	void smsdvb_unregister_client(struct smsdvb_client_t *client)
2e5c1ec8	87	{
fa830e8a	88	/* must be called under clientslock */
2e5c1ec8 MK	89
	90	list_del(&client->entry);
	91
	92	smscore_unregister_client(client->smsclient);
	93	dvb_unregister_frontend(&client->frontend);
	94	dvb_dmxdev_release(&client->dmxdev);
	95	dvb_dmx_release(&client->demux);
	96	dvb_unregister_adapter(&client->adapter);
	97	kfree(client);
	98	}
	99
	100	void smsdvb_onremove(void *context)
	101	{
	102	kmutex_lock(&g_smsdvb_clientslock);
	103
18245e18	104	smsdvb_unregister_client((struct smsdvb_client_t *) context);
2e5c1ec8 MK	105
	106	kmutex_unlock(&g_smsdvb_clientslock);
	107	}
	108
	109	static int smsdvb_start_feed(struct dvb_demux_feed *feed)
	110	{
18245e18 MK	111	struct smsdvb_client_t *client =
	112	container_of(feed->demux, struct smsdvb_client_t, demux);
	113	struct SmsMsgData_ST PidMsg;
2e5c1ec8	114
9f211397 MK	115	printk(KERN_DEBUG "%s add pid %d(%x)\n", __func__,
9f211397 MK	116	feed->pid, feed->pid);
2e5c1ec8 MK	117
	118	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	119	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
	120	PidMsg.xMsgHeader.msgFlags = 0;
	121	PidMsg.xMsgHeader.msgType = MSG_SMS_ADD_PID_FILTER_REQ;
	122	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
	123	PidMsg.msgData[0] = feed->pid;
	124
82237416 MK	125	return smsclient_sendrequest(client->smsclient,
82237416 MK	126	&PidMsg, sizeof(PidMsg));
2e5c1ec8 MK	127	}
	128
	129	static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
	130	{
18245e18 MK	131	struct smsdvb_client_t *client =
	132	container_of(feed->demux, struct smsdvb_client_t, demux);
	133	struct SmsMsgData_ST PidMsg;
2e5c1ec8	134
9f211397 MK	135	printk(KERN_DEBUG "%s remove pid %d(%x)\n", __func__,
9f211397 MK	136	feed->pid, feed->pid);
2e5c1ec8 MK	137
	138	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	139	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
	140	PidMsg.xMsgHeader.msgFlags = 0;
	141	PidMsg.xMsgHeader.msgType = MSG_SMS_REMOVE_PID_FILTER_REQ;
	142	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
	143	PidMsg.msgData[0] = feed->pid;
	144
82237416 MK	145	return smsclient_sendrequest(client->smsclient,
82237416 MK	146	&PidMsg, sizeof(PidMsg));
2e5c1ec8 MK	147	}
2e5c1ec8 MK	148
18245e18	149	static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
a83ccdd6 MK	150	void *buffer, size_t size,
a83ccdd6 MK	151	struct completion *completion)
2e5c1ec8 MK	152	{
	153	int rc = smsclient_sendrequest(client->smsclient, buffer, size);
	154	if (rc < 0)
	155	return rc;
	156
82237416 MK	157	return wait_for_completion_timeout(completion,
	158	msecs_to_jiffies(2000)) ?
	159	0 : -ETIME;
2e5c1ec8 MK	160	}
2e5c1ec8 MK	161
18245e18	162	static int smsdvb_send_statistics_request(struct smsdvb_client_t *client)
2e5c1ec8	163	{
18245e18	164	struct SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ,
82237416	165	DVBT_BDA_CONTROL_MSG_ID,
18245e18	166	HIF_TASK, sizeof(struct SmsMsgHdr_ST), 0 };
82237416 MK	167	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
82237416 MK	168	&client->stat_done);
2e5c1ec8 MK	169	}
	170
	171	static int smsdvb_read_status(struct dvb_frontend fe, fe_status_t stat)
	172	{
18245e18 MK	173	struct smsdvb_client_t *client =
18245e18 MK	174	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8 MK	175	int rc = smsdvb_send_statistics_request(client);
	176
	177	if (!rc)
	178	*stat = client->fe_status;
	179
	180	return rc;
	181	}
	182
	183	static int smsdvb_read_ber(struct dvb_frontend fe, u32 ber)
	184	{
18245e18 MK	185	struct smsdvb_client_t *client =
18245e18 MK	186	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8 MK	187	int rc = smsdvb_send_statistics_request(client);
	188
	189	if (!rc)
	190	*ber = client->fe_ber;
	191
	192	return rc;
	193	}
	194
	195	static int smsdvb_read_signal_strength(struct dvb_frontend fe, u16 strength)
	196	{
18245e18 MK	197	struct smsdvb_client_t *client =
18245e18 MK	198	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8 MK	199	int rc = smsdvb_send_statistics_request(client);
	200
	201	if (!rc)
	202	*strength = client->fe_signal_strength;
	203
	204	return rc;
	205	}
	206
	207	static int smsdvb_read_snr(struct dvb_frontend fe, u16 snr)
	208	{
18245e18 MK	209	struct smsdvb_client_t *client =
18245e18 MK	210	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8 MK	211	int rc = smsdvb_send_statistics_request(client);
	212
	213	if (!rc)
	214	*snr = client->fe_snr;
	215
	216	return rc;
	217	}
	218
82237416 MK	219	static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
82237416 MK	220	struct dvb_frontend_tune_settings *tune)
2e5c1ec8	221	{
9f211397	222	printk(KERN_DEBUG "%s\n", __func__);
2e5c1ec8 MK	223
	224	tune->min_delay_ms = 400;
	225	tune->step_size = 250000;
	226	tune->max_drift = 0;
	227	return 0;
	228	}
	229
82237416 MK	230	static int smsdvb_set_frontend(struct dvb_frontend *fe,
82237416 MK	231	struct dvb_frontend_parameters *fep)
2e5c1ec8	232	{
18245e18 MK	233	struct smsdvb_client_t *client =
18245e18 MK	234	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8	235
18245e18 MK	236	struct {
18245e18 MK	237	struct SmsMsgHdr_ST Msg;
82237416	238	u32 Data[3];
2e5c1ec8 MK	239	} Msg;
	240
	241	Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	242	Msg.Msg.msgDstId = HIF_TASK;
	243	Msg.Msg.msgFlags = 0;
	244	Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ;
	245	Msg.Msg.msgLength = sizeof(Msg);
	246	Msg.Data[0] = fep->frequency;
	247	Msg.Data[2] = 12000000;
	248
9f211397	249	printk(KERN_DEBUG "%s freq %d band %d\n", __func__,
82237416	250	fep->frequency, fep->u.ofdm.bandwidth);
2e5c1ec8	251
fa830e8a MK	252	switch (fep->u.ofdm.bandwidth) {
	253	case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break;
	254	case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break;
	255	case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break;
	256	case BANDWIDTH_AUTO: return -EOPNOTSUPP;
	257	default: return -EINVAL;
2e5c1ec8 MK	258	}
2e5c1ec8 MK	259
82237416 MK	260	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
82237416 MK	261	&client->tune_done);
2e5c1ec8 MK	262	}
2e5c1ec8 MK	263
82237416 MK	264	static int smsdvb_get_frontend(struct dvb_frontend *fe,
82237416 MK	265	struct dvb_frontend_parameters *fep)
2e5c1ec8	266	{
18245e18 MK	267	struct smsdvb_client_t *client =
18245e18 MK	268	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8	269
9f211397	270	printk(KERN_DEBUG "%s\n", __func__);
2e5c1ec8	271
fa830e8a	272	/* todo: */
82237416 MK	273	memcpy(fep, &client->fe_params,
82237416 MK	274	sizeof(struct dvb_frontend_parameters));
2e5c1ec8 MK	275	return 0;
	276	}
	277
	278	static void smsdvb_release(struct dvb_frontend *fe)
	279	{
fa830e8a	280	/* do nothing */
2e5c1ec8 MK	281	}
	282
	283	static struct dvb_frontend_ops smsdvb_fe_ops = {
	284	.info = {
82237416 MK	285	.name = "Siano Mobile Digital SMS10xx",
82237416 MK	286	.type = FE_OFDM,
2e5c1ec8 MK	287	.frequency_min = 44250000,
	288	.frequency_max = 867250000,
	289	.frequency_stepsize = 250000,
	290	.caps = FE_CAN_INVERSION_AUTO \|
82237416 MK	291	FE_CAN_FEC_1_2 \| FE_CAN_FEC_2_3 \| FE_CAN_FEC_3_4 \|
	292	FE_CAN_FEC_5_6 \| FE_CAN_FEC_7_8 \| FE_CAN_FEC_AUTO \|
	293	FE_CAN_QPSK \| FE_CAN_QAM_16 \| FE_CAN_QAM_64 \|
	294	FE_CAN_QAM_AUTO \| FE_CAN_TRANSMISSION_MODE_AUTO \|
	295	FE_CAN_GUARD_INTERVAL_AUTO \|
	296	FE_CAN_RECOVER \|
	297	FE_CAN_HIERARCHY_AUTO,
2e5c1ec8 MK	298	},
	299
	300	.release = smsdvb_release,
	301
	302	.set_frontend = smsdvb_set_frontend,
	303	.get_frontend = smsdvb_get_frontend,
	304	.get_tune_settings = smsdvb_get_tune_settings,
	305
	306	.read_status = smsdvb_read_status,
	307	.read_ber = smsdvb_read_ber,
	308	.read_signal_strength = smsdvb_read_signal_strength,
	309	.read_snr = smsdvb_read_snr,
	310	};
	311
18245e18	312	int smsdvb_hotplug(struct smscore_device_t *coredev,
82237416	313	struct device *device, int arrival)
2e5c1ec8	314	{
18245e18 MK	315	struct smsclient_params_t params;
18245e18 MK	316	struct smsdvb_client_t *client;
2e5c1ec8 MK	317	int rc;
2e5c1ec8 MK	318
fa830e8a	319	/* device removal handled by onremove callback */
2e5c1ec8 MK	320	if (!arrival)
	321	return 0;
	322
82237416	323	if (smscore_get_device_mode(coredev) != 4) {
59bf6b8e MK	324	printk(KERN_ERR "%sSMS Device mode is not set for "
59bf6b8e MK	325	"DVB operation.\n", __func__);
f17407a8	326	return 0;
2e5c1ec8 MK	327	}
2e5c1ec8 MK	328
18245e18	329	client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
82237416	330	if (!client) {
18658117	331	printk(KERN_INFO "%s kmalloc() failed\n", __func__);
2e5c1ec8 MK	332	return -ENOMEM;
	333	}
	334
fa830e8a	335	/* register dvb adapter */
82237416 MK	336	rc = dvb_register_adapter(&client->adapter, "Siano Digital Receiver",
	337	THIS_MODULE, device, adapter_nr);
	338	if (rc < 0) {
9f211397 MK	339	printk(KERN_ERR "%s dvb_register_adapter() failed %d\n",
9f211397 MK	340	__func__, rc);
2e5c1ec8 MK	341	goto adapter_error;
	342	}
	343
fa830e8a	344	/* init dvb demux */
2e5c1ec8	345	client->demux.dmx.capabilities = DMX_TS_FILTERING;
fa830e8a	346	client->demux.filternum = 32; /* todo: nova ??? */
2e5c1ec8 MK	347	client->demux.feednum = 32;
	348	client->demux.start_feed = smsdvb_start_feed;
	349	client->demux.stop_feed = smsdvb_stop_feed;
	350
	351	rc = dvb_dmx_init(&client->demux);
82237416	352	if (rc < 0) {
9f211397 MK	353	printk(KERN_ERR "%s dvb_dmx_init failed %d\n\n",
9f211397 MK	354	__func__, rc);
2e5c1ec8 MK	355	goto dvbdmx_error;
	356	}
	357
fa830e8a	358	/* init dmxdev */
2e5c1ec8 MK	359	client->dmxdev.filternum = 32;
	360	client->dmxdev.demux = &client->demux.dmx;
	361	client->dmxdev.capabilities = 0;
	362
	363	rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
82237416	364	if (rc < 0) {
9f211397 MK	365	printk(KERN_ERR "%s dvb_dmxdev_init failed %d\n",
9f211397 MK	366	__func__, 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) {
9f211397 MK	376	printk(KERN_ERR "%s frontend registration failed %d\n",
9f211397 MK	377	__func__, rc);
2e5c1ec8 MK	378	goto frontend_error;
	379	}
	380
f17407a8	381	params.initial_id = 1;
2e5c1ec8 MK	382	params.data_type = MSG_SMS_DVBT_BDA_DATA;
	383	params.onresponse_handler = smsdvb_onresponse;
	384	params.onremove_handler = smsdvb_onremove;
	385	params.context = client;
	386
	387	rc = smscore_register_client(coredev, &params, &client->smsclient);
82237416 MK	388	if (rc < 0) {
	389	printk(KERN_INFO "%s smscore_register_client() failed %d\n",
	390	__func__, rc);
2e5c1ec8 MK	391	goto client_error;
	392	}
	393
	394	client->coredev = coredev;
	395
	396	init_completion(&client->tune_done);
	397	init_completion(&client->stat_done);
	398
	399	kmutex_lock(&g_smsdvb_clientslock);
	400
	401	list_add(&client->entry, &g_smsdvb_clients);
	402
	403	kmutex_unlock(&g_smsdvb_clientslock);
	404
18658117	405	printk(KERN_INFO "%s success\n", __func__);
2e5c1ec8 MK	406
	407	return 0;
	408
	409	client_error:
	410	dvb_unregister_frontend(&client->frontend);
	411
	412	frontend_error:
	413	dvb_dmxdev_release(&client->dmxdev);
	414
	415	dmxdev_error:
	416	dvb_dmx_release(&client->demux);
	417
	418	dvbdmx_error:
	419	dvb_unregister_adapter(&client->adapter);
	420
	421	adapter_error:
	422	kfree(client);
	423	return rc;
	424	}
	425
eae55660 ST	426	int smsdvb_register(void)
	427	{
	428	int rc;
	429
	430	INIT_LIST_HEAD(&g_smsdvb_clients);
	431	kmutex_init(&g_smsdvb_clientslock);
	432
	433	rc = smscore_register_hotplug(smsdvb_hotplug);
	434
18658117	435	printk(KERN_INFO "%s\n", __func__);
eae55660 ST	436
	437	return rc;
	438	}
	439
	440	void smsdvb_unregister(void)
	441	{
	442	smscore_unregister_hotplug(smsdvb_hotplug);
	443
	444	kmutex_lock(&g_smsdvb_clientslock);
	445
	446	while (!list_empty(&g_smsdvb_clients))
82237416	447	smsdvb_unregister_client(
18245e18	448	(struct smsdvb_client_t *) g_smsdvb_clients.next);
eae55660 ST	449
eae55660 ST	450	kmutex_unlock(&g_smsdvb_clientslock);
eae55660	451	}