[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, smscore_buffer_t *cb)
{
	smsdvb_client_t *client = (smsdvb_client_t *) context;
	SmsMsgHdr_ST *phdr = (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(SmsMsgHdr_ST));
		break;

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

	case MSG_SMS_GET_STATISTICS_RES:
	{
		SmsMsgStatisticsInfo_ST *p =
			(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(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((smsdvb_client_t *) context);

	kmutex_unlock(&g_smsdvb_clientslock);
}

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

	printk("%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)
{
	smsdvb_client_t *client =
		container_of(feed->demux, smsdvb_client_t, demux);
	SmsMsgData_ST PidMsg;

	printk("%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(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(smsdvb_client_t *client)
{
	SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ,
			     DVBT_BDA_CONTROL_MSG_ID,
			     HIF_TASK, sizeof(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)
{
	smsdvb_client_t *client = container_of(fe, 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)
{
	smsdvb_client_t *client = container_of(fe, 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)
{
	smsdvb_client_t *client = container_of(fe, 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)
{
	smsdvb_client_t *client = container_of(fe, 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("%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)
{
	smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);

	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("%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)
{
	smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);

	printk("%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(smscore_device_t *coredev,
		   struct device *device, int arrival)
{
	smsclient_params_t params;
	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(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("%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("%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("%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("%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(
			(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
	32	int smsdvb_onresponse(void context, smscore_buffer_t cb)
	33	{
	34	smsdvb_client_t client = (smsdvb_client_t ) context;
55ad310c	35	SmsMsgHdr_ST phdr = (SmsMsgHdr_ST )(((u8 *) cb->p) + cb->offset);
2e5c1ec8	36
82237416 MK	37	switch(phdr->msgType) {
	38	case MSG_SMS_DVBT_BDA_DATA:
	39	dvb_dmx_swfilter(&client->demux, (u8 *)(phdr + 1),
	40	cb->size - sizeof(SmsMsgHdr_ST));
	41	break;
	42
	43	case MSG_SMS_RF_TUNE_RES:
	44	complete(&client->tune_done);
	45	break;
2e5c1ec8	46
82237416 MK	47	case MSG_SMS_GET_STATISTICS_RES:
	48	{
	49	SmsMsgStatisticsInfo_ST *p =
	50	(SmsMsgStatisticsInfo_ST *)(phdr + 1);
2e5c1ec8	51
82237416	52	if (p->Stat.IsDemodLocked)
2e5c1ec8	53	{
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
a83ccdd6	86	void smsdvb_unregister_client(smsdvb_client_t *client)
2e5c1ec8 MK	87	{
	88	// must be called under clientslock
	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
55ad310c	104	smsdvb_unregister_client((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	{
82237416 MK	111	smsdvb_client_t *client =
82237416 MK	112	container_of(feed->demux, smsdvb_client_t, demux);
2e5c1ec8 MK	113	SmsMsgData_ST PidMsg;
2e5c1ec8 MK	114
18658117	115	printk("%s add pid %d(%x)\n", __func__, feed->pid, feed->pid);
2e5c1ec8 MK	116
	117	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	118	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
	119	PidMsg.xMsgHeader.msgFlags = 0;
	120	PidMsg.xMsgHeader.msgType = MSG_SMS_ADD_PID_FILTER_REQ;
	121	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
	122	PidMsg.msgData[0] = feed->pid;
	123
82237416 MK	124	return smsclient_sendrequest(client->smsclient,
82237416 MK	125	&PidMsg, sizeof(PidMsg));
2e5c1ec8 MK	126	}
	127
	128	static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
	129	{
82237416 MK	130	smsdvb_client_t *client =
82237416 MK	131	container_of(feed->demux, smsdvb_client_t, demux);
2e5c1ec8 MK	132	SmsMsgData_ST PidMsg;
2e5c1ec8 MK	133
18658117	134	printk("%s remove pid %d(%x)\n", __func__, feed->pid, feed->pid);
2e5c1ec8 MK	135
	136	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	137	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
	138	PidMsg.xMsgHeader.msgFlags = 0;
	139	PidMsg.xMsgHeader.msgType = MSG_SMS_REMOVE_PID_FILTER_REQ;
	140	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
	141	PidMsg.msgData[0] = feed->pid;
	142
82237416 MK	143	return smsclient_sendrequest(client->smsclient,
82237416 MK	144	&PidMsg, sizeof(PidMsg));
2e5c1ec8 MK	145	}
2e5c1ec8 MK	146
a83ccdd6 MK	147	static int smsdvb_sendrequest_and_wait(smsdvb_client_t *client,
	148	void *buffer, size_t size,
	149	struct completion *completion)
2e5c1ec8 MK	150	{
	151	int rc = smsclient_sendrequest(client->smsclient, buffer, size);
	152	if (rc < 0)
	153	return rc;
	154
82237416 MK	155	return wait_for_completion_timeout(completion,
	156	msecs_to_jiffies(2000)) ?
	157	0 : -ETIME;
2e5c1ec8 MK	158	}
	159
	160	static int smsdvb_send_statistics_request(smsdvb_client_t *client)
	161	{
82237416 MK	162	SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ,
	163	DVBT_BDA_CONTROL_MSG_ID,
	164	HIF_TASK, sizeof(SmsMsgHdr_ST), 0 };
	165	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
	166	&client->stat_done);
2e5c1ec8 MK	167	}
	168
	169	static int smsdvb_read_status(struct dvb_frontend fe, fe_status_t stat)
	170	{
	171	smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
	172	int rc = smsdvb_send_statistics_request(client);
	173
	174	if (!rc)
	175	*stat = client->fe_status;
	176
	177	return rc;
	178	}
	179
	180	static int smsdvb_read_ber(struct dvb_frontend fe, u32 ber)
	181	{
	182	smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
	183	int rc = smsdvb_send_statistics_request(client);
	184
	185	if (!rc)
	186	*ber = client->fe_ber;
	187
	188	return rc;
	189	}
	190
	191	static int smsdvb_read_signal_strength(struct dvb_frontend fe, u16 strength)
	192	{
	193	smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
	194	int rc = smsdvb_send_statistics_request(client);
	195
	196	if (!rc)
	197	*strength = client->fe_signal_strength;
	198
	199	return rc;
	200	}
	201
	202	static int smsdvb_read_snr(struct dvb_frontend fe, u16 snr)
	203	{
	204	smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
	205	int rc = smsdvb_send_statistics_request(client);
	206
	207	if (!rc)
	208	*snr = client->fe_snr;
	209
	210	return rc;
	211	}
	212
82237416 MK	213	static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
82237416 MK	214	struct dvb_frontend_tune_settings *tune)
2e5c1ec8	215	{
18658117	216	printk("%s\n", __func__);
2e5c1ec8 MK	217
	218	tune->min_delay_ms = 400;
	219	tune->step_size = 250000;
	220	tune->max_drift = 0;
	221	return 0;
	222	}
	223
82237416 MK	224	static int smsdvb_set_frontend(struct dvb_frontend *fe,
82237416 MK	225	struct dvb_frontend_parameters *fep)
2e5c1ec8 MK	226	{
	227	smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
	228
	229	struct
	230	{
	231	SmsMsgHdr_ST Msg;
82237416	232	u32 Data[3];
2e5c1ec8 MK	233	} Msg;
	234
	235	Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	236	Msg.Msg.msgDstId = HIF_TASK;
	237	Msg.Msg.msgFlags = 0;
	238	Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ;
	239	Msg.Msg.msgLength = sizeof(Msg);
	240	Msg.Data[0] = fep->frequency;
	241	Msg.Data[2] = 12000000;
	242
82237416 MK	243	printk("%s freq %d band %d\n", __func__,
82237416 MK	244	fep->frequency, fep->u.ofdm.bandwidth);
2e5c1ec8 MK	245
	246	switch(fep->u.ofdm.bandwidth)
	247	{
	248	case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break;
	249	case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break;
	250	case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break;
2e5c1ec8 MK	251	case BANDWIDTH_AUTO: return -EOPNOTSUPP;
	252	default: return -EINVAL;
	253	}
	254
82237416 MK	255	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
82237416 MK	256	&client->tune_done);
2e5c1ec8 MK	257	}
2e5c1ec8 MK	258
82237416 MK	259	static int smsdvb_get_frontend(struct dvb_frontend *fe,
82237416 MK	260	struct dvb_frontend_parameters *fep)
2e5c1ec8 MK	261	{
	262	smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
	263
18658117	264	printk("%s\n", __func__);
2e5c1ec8 MK	265
2e5c1ec8 MK	266	// todo:
82237416 MK	267	memcpy(fep, &client->fe_params,
82237416 MK	268	sizeof(struct dvb_frontend_parameters));
2e5c1ec8 MK	269	return 0;
	270	}
	271
	272	static void smsdvb_release(struct dvb_frontend *fe)
	273	{
	274	// do nothing
	275	}
	276
	277	static struct dvb_frontend_ops smsdvb_fe_ops = {
	278	.info = {
82237416 MK	279	.name = "Siano Mobile Digital SMS10xx",
82237416 MK	280	.type = FE_OFDM,
2e5c1ec8 MK	281	.frequency_min = 44250000,
	282	.frequency_max = 867250000,
	283	.frequency_stepsize = 250000,
	284	.caps = FE_CAN_INVERSION_AUTO \|
82237416 MK	285	FE_CAN_FEC_1_2 \| FE_CAN_FEC_2_3 \| FE_CAN_FEC_3_4 \|
	286	FE_CAN_FEC_5_6 \| FE_CAN_FEC_7_8 \| FE_CAN_FEC_AUTO \|
	287	FE_CAN_QPSK \| FE_CAN_QAM_16 \| FE_CAN_QAM_64 \|
	288	FE_CAN_QAM_AUTO \| FE_CAN_TRANSMISSION_MODE_AUTO \|
	289	FE_CAN_GUARD_INTERVAL_AUTO \|
	290	FE_CAN_RECOVER \|
	291	FE_CAN_HIERARCHY_AUTO,
2e5c1ec8 MK	292	},
	293
	294	.release = smsdvb_release,
	295
	296	.set_frontend = smsdvb_set_frontend,
	297	.get_frontend = smsdvb_get_frontend,
	298	.get_tune_settings = smsdvb_get_tune_settings,
	299
	300	.read_status = smsdvb_read_status,
	301	.read_ber = smsdvb_read_ber,
	302	.read_signal_strength = smsdvb_read_signal_strength,
	303	.read_snr = smsdvb_read_snr,
	304	};
	305
82237416 MK	306	int smsdvb_hotplug(smscore_device_t *coredev,
82237416 MK	307	struct device *device, int arrival)
2e5c1ec8 MK	308	{
2e5c1ec8 MK	309	smsclient_params_t params;
a83ccdd6	310	smsdvb_client_t *client;
2e5c1ec8 MK	311	int rc;
	312
	313	// device removal handled by onremove callback
	314	if (!arrival)
	315	return 0;
	316
82237416	317	if (smscore_get_device_mode(coredev) != 4) {
f17407a8 MK	318	printk(KERN_ERR "%sSMS Device mode is not set for DVB operation.\n", __func__);
f17407a8 MK	319	return 0;
2e5c1ec8 MK	320	}
	321
	322	client = kzalloc(sizeof(smsdvb_client_t), GFP_KERNEL);
82237416	323	if (!client) {
18658117	324	printk(KERN_INFO "%s kmalloc() failed\n", __func__);
2e5c1ec8 MK	325	return -ENOMEM;
	326	}
	327
	328	// register dvb adapter
82237416 MK	329	rc = dvb_register_adapter(&client->adapter, "Siano Digital Receiver",
	330	THIS_MODULE, device, adapter_nr);
	331	if (rc < 0) {
2e5c1ec8 MK	332	printk("%s dvb_register_adapter() failed %d\n", __func__, rc);
	333	goto adapter_error;
	334	}
	335
	336	// init dvb demux
	337	client->demux.dmx.capabilities = DMX_TS_FILTERING;
	338	client->demux.filternum = 32; // todo: nova ???
	339	client->demux.feednum = 32;
	340	client->demux.start_feed = smsdvb_start_feed;
	341	client->demux.stop_feed = smsdvb_stop_feed;
	342
	343	rc = dvb_dmx_init(&client->demux);
82237416	344	if (rc < 0) {
18658117	345	printk("%s dvb_dmx_init failed %d\n\n", __func__, rc);
2e5c1ec8 MK	346	goto dvbdmx_error;
	347	}
	348
	349	// init dmxdev
	350	client->dmxdev.filternum = 32;
	351	client->dmxdev.demux = &client->demux.dmx;
	352	client->dmxdev.capabilities = 0;
	353
	354	rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
82237416	355	if (rc < 0) {
18658117	356	printk("%s dvb_dmxdev_init failed %d\n", __func__, rc);
2e5c1ec8 MK	357	goto dmxdev_error;
	358	}
	359
	360	// init and register frontend
82237416 MK	361	memcpy(&client->frontend.ops, &smsdvb_fe_ops,
82237416 MK	362	sizeof(struct dvb_frontend_ops));
2e5c1ec8 MK	363
2e5c1ec8 MK	364	rc = dvb_register_frontend(&client->adapter, &client->frontend);
82237416	365	if (rc < 0) {
18658117	366	printk("%s frontend registration failed %d\n", __func__, rc);
2e5c1ec8 MK	367	goto frontend_error;
	368	}
	369
f17407a8	370	params.initial_id = 1;
2e5c1ec8 MK	371	params.data_type = MSG_SMS_DVBT_BDA_DATA;
	372	params.onresponse_handler = smsdvb_onresponse;
	373	params.onremove_handler = smsdvb_onremove;
	374	params.context = client;
	375
	376	rc = smscore_register_client(coredev, &params, &client->smsclient);
82237416 MK	377	if (rc < 0) {
	378	printk(KERN_INFO "%s smscore_register_client() failed %d\n",
	379	__func__, rc);
2e5c1ec8 MK	380	goto client_error;
	381	}
	382
	383	client->coredev = coredev;
	384
	385	init_completion(&client->tune_done);
	386	init_completion(&client->stat_done);
	387
	388	kmutex_lock(&g_smsdvb_clientslock);
	389
	390	list_add(&client->entry, &g_smsdvb_clients);
	391
	392	kmutex_unlock(&g_smsdvb_clientslock);
	393
18658117	394	printk(KERN_INFO "%s success\n", __func__);
2e5c1ec8 MK	395
	396	return 0;
	397
	398	client_error:
	399	dvb_unregister_frontend(&client->frontend);
	400
	401	frontend_error:
	402	dvb_dmxdev_release(&client->dmxdev);
	403
	404	dmxdev_error:
	405	dvb_dmx_release(&client->demux);
	406
	407	dvbdmx_error:
	408	dvb_unregister_adapter(&client->adapter);
	409
	410	adapter_error:
	411	kfree(client);
	412	return rc;
	413	}
	414
eae55660 ST	415	int smsdvb_register(void)
	416	{
	417	int rc;
	418
	419	INIT_LIST_HEAD(&g_smsdvb_clients);
	420	kmutex_init(&g_smsdvb_clientslock);
	421
	422	rc = smscore_register_hotplug(smsdvb_hotplug);
	423
18658117	424	printk(KERN_INFO "%s\n", __func__);
eae55660 ST	425
	426	return rc;
	427	}
	428
	429	void smsdvb_unregister(void)
	430	{
	431	smscore_unregister_hotplug(smsdvb_hotplug);
	432
	433	kmutex_lock(&g_smsdvb_clientslock);
	434
	435	while (!list_empty(&g_smsdvb_clients))
82237416 MK	436	smsdvb_unregister_client(
82237416 MK	437	(smsdvb_client_t *) g_smsdvb_clients.next);
eae55660 ST	438
eae55660 ST	439	kmutex_unlock(&g_smsdvb_clientslock);
eae55660	440	}