[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_5_MHZ: Msg.Data[1] = BW_5_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 MK	36
	37	switch(phdr->msgType)
	38	{
	39	case MSG_SMS_DVBT_BDA_DATA:
55ad310c MK	40	dvb_dmx_swfilter(&client->demux, (u8 *)(phdr + 1),
55ad310c MK	41	cb->size - sizeof(SmsMsgHdr_ST));
2e5c1ec8 MK	42	break;
	43
	44	case MSG_SMS_RF_TUNE_RES:
	45	complete(&client->tune_done);
	46	break;
	47
	48	case MSG_SMS_GET_STATISTICS_RES:
	49	{
55ad310c MK	50	SmsMsgStatisticsInfo_ST *p =
55ad310c MK	51	(SmsMsgStatisticsInfo_ST *)(phdr + 1);
2e5c1ec8 MK	52
	53	if (p->Stat.IsDemodLocked)
	54	{
	55	client->fe_status = FE_HAS_SIGNAL \| FE_HAS_CARRIER \| FE_HAS_VITERBI \| FE_HAS_SYNC \| FE_HAS_LOCK;
	56	client->fe_snr = p->Stat.SNR;
	57	client->fe_ber = p->Stat.BER;
	58
	59	if (p->Stat.InBandPwr < -95)
	60	client->fe_signal_strength = 0;
	61	else if (p->Stat.InBandPwr > -29)
	62	client->fe_signal_strength = 100;
	63	else
	64	client->fe_signal_strength = (p->Stat.InBandPwr + 95) * 3 / 2;
	65	}
	66	else
	67	{
	68	client->fe_status = 0;
	69	client->fe_snr =
	70	client->fe_ber =
	71	client->fe_signal_strength = 0;
	72	}
	73
	74	complete(&client->stat_done);
	75	break;
	76	}
	77	}
	78
	79	smscore_putbuffer(client->coredev, cb);
	80
	81	return 0;
	82	}
	83
a83ccdd6	84	void smsdvb_unregister_client(smsdvb_client_t *client)
2e5c1ec8 MK	85	{
	86	// must be called under clientslock
	87
	88	list_del(&client->entry);
	89
	90	smscore_unregister_client(client->smsclient);
	91	dvb_unregister_frontend(&client->frontend);
	92	dvb_dmxdev_release(&client->dmxdev);
	93	dvb_dmx_release(&client->demux);
	94	dvb_unregister_adapter(&client->adapter);
	95	kfree(client);
	96	}
	97
	98	void smsdvb_onremove(void *context)
	99	{
	100	kmutex_lock(&g_smsdvb_clientslock);
	101
55ad310c	102	smsdvb_unregister_client((smsdvb_client_t *) context);
2e5c1ec8 MK	103
	104	kmutex_unlock(&g_smsdvb_clientslock);
	105	}
	106
	107	static int smsdvb_start_feed(struct dvb_demux_feed *feed)
	108	{
	109	smsdvb_client_t *client = container_of(feed->demux, smsdvb_client_t, demux);
	110	SmsMsgData_ST PidMsg;
	111
18658117	112	printk("%s add pid %d(%x)\n", __func__, feed->pid, feed->pid);
2e5c1ec8 MK	113
	114	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	115	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
	116	PidMsg.xMsgHeader.msgFlags = 0;
	117	PidMsg.xMsgHeader.msgType = MSG_SMS_ADD_PID_FILTER_REQ;
	118	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
	119	PidMsg.msgData[0] = feed->pid;
	120
	121	return smsclient_sendrequest(client->smsclient, &PidMsg, sizeof(PidMsg));
	122	}
	123
	124	static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
	125	{
	126	smsdvb_client_t *client = container_of(feed->demux, smsdvb_client_t, demux);
	127	SmsMsgData_ST PidMsg;
	128
18658117	129	printk("%s remove pid %d(%x)\n", __func__, feed->pid, feed->pid);
2e5c1ec8 MK	130
	131	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	132	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
	133	PidMsg.xMsgHeader.msgFlags = 0;
	134	PidMsg.xMsgHeader.msgType = MSG_SMS_REMOVE_PID_FILTER_REQ;
	135	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
	136	PidMsg.msgData[0] = feed->pid;
	137
	138	return smsclient_sendrequest(client->smsclient, &PidMsg, sizeof(PidMsg));
	139	}
	140
a83ccdd6 MK	141	static int smsdvb_sendrequest_and_wait(smsdvb_client_t *client,
	142	void *buffer, size_t size,
	143	struct completion *completion)
2e5c1ec8 MK	144	{
	145	int rc = smsclient_sendrequest(client->smsclient, buffer, size);
	146	if (rc < 0)
	147	return rc;
	148
	149	return wait_for_completion_timeout(completion, msecs_to_jiffies(2000)) ? 0 : -ETIME;
	150	}
	151
	152	static int smsdvb_send_statistics_request(smsdvb_client_t *client)
	153	{
	154	SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ, DVBT_BDA_CONTROL_MSG_ID, HIF_TASK, sizeof(SmsMsgHdr_ST), 0 };
	155	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg), &client->stat_done);
	156	}
	157
	158	static int smsdvb_read_status(struct dvb_frontend fe, fe_status_t stat)
	159	{
	160	smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
	161	int rc = smsdvb_send_statistics_request(client);
	162
	163	if (!rc)
	164	*stat = client->fe_status;
	165
	166	return rc;
	167	}
	168
	169	static int smsdvb_read_ber(struct dvb_frontend fe, u32 ber)
	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	*ber = client->fe_ber;
	176
	177	return rc;
	178	}
	179
	180	static int smsdvb_read_signal_strength(struct dvb_frontend fe, u16 strength)
	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	*strength = client->fe_signal_strength;
	187
	188	return rc;
	189	}
	190
	191	static int smsdvb_read_snr(struct dvb_frontend fe, u16 snr)
	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	*snr = client->fe_snr;
	198
	199	return rc;
	200	}
	201
	202	static int smsdvb_get_tune_settings(struct dvb_frontend fe, struct dvb_frontend_tune_settings tune)
	203	{
18658117	204	printk("%s\n", __func__);
2e5c1ec8 MK	205
	206	tune->min_delay_ms = 400;
	207	tune->step_size = 250000;
	208	tune->max_drift = 0;
	209	return 0;
	210	}
	211
	212	static int smsdvb_set_frontend(struct dvb_frontend fe, struct dvb_frontend_parameters fep)
	213	{
	214	smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
	215
	216	struct
	217	{
	218	SmsMsgHdr_ST Msg;
	219	u32 Data[3];
	220	} Msg;
	221
	222	Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	223	Msg.Msg.msgDstId = HIF_TASK;
	224	Msg.Msg.msgFlags = 0;
	225	Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ;
	226	Msg.Msg.msgLength = sizeof(Msg);
	227	Msg.Data[0] = fep->frequency;
	228	Msg.Data[2] = 12000000;
	229
18658117	230	printk("%s freq %d band %d\n", __func__, fep->frequency, fep->u.ofdm.bandwidth);
2e5c1ec8 MK	231
	232	switch(fep->u.ofdm.bandwidth)
	233	{
	234	case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break;
	235	case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break;
	236	case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break;
	237	// case BANDWIDTH_5_MHZ: Msg.Data[1] = BW_5_MHZ; break;
	238	case BANDWIDTH_AUTO: return -EOPNOTSUPP;
	239	default: return -EINVAL;
	240	}
	241
	242	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg), &client->tune_done);
	243	}
	244
	245	static int smsdvb_get_frontend(struct dvb_frontend fe, struct dvb_frontend_parameters fep)
	246	{
	247	smsdvb_client_t *client = container_of(fe, smsdvb_client_t, frontend);
	248
18658117	249	printk("%s\n", __func__);
2e5c1ec8 MK	250
	251	// todo:
	252	memcpy(fep, &client->fe_params, sizeof(struct dvb_frontend_parameters));
	253	return 0;
	254	}
	255
	256	static void smsdvb_release(struct dvb_frontend *fe)
	257	{
	258	// do nothing
	259	}
	260
	261	static struct dvb_frontend_ops smsdvb_fe_ops = {
	262	.info = {
	263	.name = "Siano Mobile Digital SMS10xx",
	264	.type = FE_OFDM,
	265	.frequency_min = 44250000,
	266	.frequency_max = 867250000,
	267	.frequency_stepsize = 250000,
	268	.caps = FE_CAN_INVERSION_AUTO \|
	269	FE_CAN_FEC_1_2 \| FE_CAN_FEC_2_3 \| FE_CAN_FEC_3_4 \|
	270	FE_CAN_FEC_5_6 \| FE_CAN_FEC_7_8 \| FE_CAN_FEC_AUTO \|
	271	FE_CAN_QPSK \| FE_CAN_QAM_16 \| FE_CAN_QAM_64 \| FE_CAN_QAM_AUTO \|
	272	FE_CAN_TRANSMISSION_MODE_AUTO \|
	273	FE_CAN_GUARD_INTERVAL_AUTO \|
	274	FE_CAN_RECOVER \|
	275	FE_CAN_HIERARCHY_AUTO,
	276	},
	277
	278	.release = smsdvb_release,
	279
	280	.set_frontend = smsdvb_set_frontend,
	281	.get_frontend = smsdvb_get_frontend,
	282	.get_tune_settings = smsdvb_get_tune_settings,
	283
	284	.read_status = smsdvb_read_status,
	285	.read_ber = smsdvb_read_ber,
	286	.read_signal_strength = smsdvb_read_signal_strength,
	287	.read_snr = smsdvb_read_snr,
	288	};
	289
a83ccdd6 MK	290	int smsdvb_hotplug(smscore_device_t coredev, struct device device,
a83ccdd6 MK	291	int arrival)
2e5c1ec8 MK	292	{
2e5c1ec8 MK	293	smsclient_params_t params;
a83ccdd6	294	smsdvb_client_t *client;
2e5c1ec8 MK	295	int rc;
	296
	297	// device removal handled by onremove callback
	298	if (!arrival)
	299	return 0;
	300
	301	if (smscore_get_device_mode(coredev) != 4)
	302	{
f17407a8 MK	303	printk(KERN_ERR "%sSMS Device mode is not set for DVB operation.\n", __func__);
f17407a8 MK	304	return 0;
2e5c1ec8 MK	305	}
	306
	307	client = kzalloc(sizeof(smsdvb_client_t), GFP_KERNEL);
	308	if (!client)
	309	{
18658117	310	printk(KERN_INFO "%s kmalloc() failed\n", __func__);
2e5c1ec8 MK	311	return -ENOMEM;
	312	}
	313
	314	// register dvb adapter
9c59f968	315	rc = dvb_register_adapter(&client->adapter, "Siano Digital Receiver", THIS_MODULE, device, adapter_nr);
2e5c1ec8 MK	316	if (rc < 0)
	317	{
	318	printk("%s dvb_register_adapter() failed %d\n", __func__, rc);
	319	goto adapter_error;
	320	}
	321
	322	// init dvb demux
	323	client->demux.dmx.capabilities = DMX_TS_FILTERING;
	324	client->demux.filternum = 32; // todo: nova ???
	325	client->demux.feednum = 32;
	326	client->demux.start_feed = smsdvb_start_feed;
	327	client->demux.stop_feed = smsdvb_stop_feed;
	328
	329	rc = dvb_dmx_init(&client->demux);
	330	if (rc < 0)
	331	{
18658117	332	printk("%s dvb_dmx_init failed %d\n\n", __func__, rc);
2e5c1ec8 MK	333	goto dvbdmx_error;
	334	}
	335
	336	// init dmxdev
	337	client->dmxdev.filternum = 32;
	338	client->dmxdev.demux = &client->demux.dmx;
	339	client->dmxdev.capabilities = 0;
	340
	341	rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
	342	if (rc < 0)
	343	{
18658117	344	printk("%s dvb_dmxdev_init failed %d\n", __func__, rc);
2e5c1ec8 MK	345	goto dmxdev_error;
	346	}
	347
	348	// init and register frontend
	349	memcpy(&client->frontend.ops, &smsdvb_fe_ops, sizeof(struct dvb_frontend_ops));
	350
	351	rc = dvb_register_frontend(&client->adapter, &client->frontend);
	352	if (rc < 0)
	353	{
18658117	354	printk("%s frontend registration failed %d\n", __func__, rc);
2e5c1ec8 MK	355	goto frontend_error;
	356	}
	357
f17407a8	358	params.initial_id = 1;
2e5c1ec8 MK	359	params.data_type = MSG_SMS_DVBT_BDA_DATA;
	360	params.onresponse_handler = smsdvb_onresponse;
	361	params.onremove_handler = smsdvb_onremove;
	362	params.context = client;
	363
	364	rc = smscore_register_client(coredev, &params, &client->smsclient);
	365	if (rc < 0)
	366	{
18658117	367	printk(KERN_INFO "%s smscore_register_client() failed %d\n", __func__, rc);
2e5c1ec8 MK	368	goto client_error;
	369	}
	370
	371	client->coredev = coredev;
	372
	373	init_completion(&client->tune_done);
	374	init_completion(&client->stat_done);
	375
	376	kmutex_lock(&g_smsdvb_clientslock);
	377
	378	list_add(&client->entry, &g_smsdvb_clients);
	379
	380	kmutex_unlock(&g_smsdvb_clientslock);
	381
18658117	382	printk(KERN_INFO "%s success\n", __func__);
2e5c1ec8 MK	383
	384	return 0;
	385
	386	client_error:
	387	dvb_unregister_frontend(&client->frontend);
	388
	389	frontend_error:
	390	dvb_dmxdev_release(&client->dmxdev);
	391
	392	dmxdev_error:
	393	dvb_dmx_release(&client->demux);
	394
	395	dvbdmx_error:
	396	dvb_unregister_adapter(&client->adapter);
	397
	398	adapter_error:
	399	kfree(client);
	400	return rc;
	401	}
	402
eae55660 ST	403	int smsdvb_register(void)
	404	{
	405	int rc;
	406
	407	INIT_LIST_HEAD(&g_smsdvb_clients);
	408	kmutex_init(&g_smsdvb_clientslock);
	409
	410	rc = smscore_register_hotplug(smsdvb_hotplug);
	411
18658117	412	printk(KERN_INFO "%s\n", __func__);
eae55660 ST	413
	414	return rc;
	415	}
	416
	417	void smsdvb_unregister(void)
	418	{
	419	smscore_unregister_hotplug(smsdvb_hotplug);
	420
	421	kmutex_lock(&g_smsdvb_clientslock);
	422
	423	while (!list_empty(&g_smsdvb_clients))
55ad310c	424	smsdvb_unregister_client((smsdvb_client_t *) g_smsdvb_clients.next);
eae55660 ST	425
	426	kmutex_unlock(&g_smsdvb_clientslock);
	427
	428	}
	429