[net-next-2.6.git] / drivers / media / dvb / siano / smsdvb.c

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

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

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

DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);

struct smsdvb_client_t {
	struct list_head entry;

	struct smscore_device_t *coredev;
	struct smscore_client_t *smsclient;

	struct dvb_adapter      adapter;
	struct dvb_demux        demux;
	struct dmxdev           dmxdev;
	struct dvb_frontend     frontend;

	fe_status_t             fe_status;
	int                     fe_ber, fe_snr, fe_unc, fe_signal_strength;

	struct completion       tune_done, stat_done;

	/* todo: save freq/band instead whole struct */
	struct dvb_frontend_parameters fe_params;
};

static struct list_head g_smsdvb_clients;
static struct mutex g_smsdvb_clientslock;

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

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

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

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

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

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

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

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

	smscore_putbuffer(client->coredev, cb);

	return 0;
}

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

	list_del(&client->entry);

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

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

	smsdvb_unregister_client((struct smsdvb_client_t *) context);

	kmutex_unlock(&g_smsdvb_clientslock);
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	return rc;
}

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

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

	return rc;
}

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

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

	return rc;
}

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

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

	return rc;
}

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

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

	return rc;
}

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

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

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

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

	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;
	}

	/* Disable LNA, if any. An error is returned if no LNA is present */
	ret = sms_board_lna_control(client->coredev, 0);
	if (ret == 0) {
		fe_status_t status;

		/* tune with LNA off at first */
		ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
						  &client->tune_done);

		smsdvb_read_status(fe, &status);

		if (status & FE_HAS_LOCK)
			return ret;

		/* previous tune didnt lock - enable LNA and tune again */
		sms_board_lna_control(client->coredev, 1);
	}

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

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

	sms_debug("");

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

	return 0;
}

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

	sms_board_power(client->coredev, 1);

	return 0;
}

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

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

	return 0;
}

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

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

	.release = smsdvb_release,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	client->coredev = coredev;

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

	kmutex_lock(&g_smsdvb_clientslock);

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

	kmutex_unlock(&g_smsdvb_clientslock);

	sms_info("success");

	sms_board_setup(coredev);

	return 0;

client_error:
	dvb_unregister_frontend(&client->frontend);

frontend_error:
	dvb_dmxdev_release(&client->dmxdev);

dmxdev_error:
	dvb_dmx_release(&client->demux);

dvbdmx_error:
	dvb_unregister_adapter(&client->adapter);

adapter_error:
	kfree(client);
	return rc;
}

int smsdvb_module_init(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_module_exit(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);
}

module_init(smsdvb_module_init);
module_exit(smsdvb_module_exit);

MODULE_DESCRIPTION("SMS DVB subsystem adaptation module");
MODULE_AUTHOR("Siano Mobile Silicon, INC. (uris@siano-ms.com)");
MODULE_LICENSE("GPL");
Commit	Line	Data
8d4f9d0e	1	/*
8f37356b	2	* Driver for the Siano SMS1xxx USB dongle
8d4f9d0e	3	*
e0f14c25	4	* Author: Uri Shkolni
85447060 MK	5	*
85447060 MK	6	* Copyright (c), 2005-2008 Siano Mobile Silicon, Inc.
8d4f9d0e ST	7	*
8d4f9d0e ST	8	* This program is free software; you can redistribute it and/or modify
09a29b77	9	* it under the terms of the GNU General Public License version 2 as
85447060	10	* published by the Free Software Foundation;
8d4f9d0e	11	*
85447060 MK	12	* Software distributed under the License is distributed on an "AS IS"
85447060 MK	13	* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
8d4f9d0e	14	*
85447060	15	* See the GNU General Public License for more details.
8d4f9d0e ST	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*/
	21
2e5c1ec8 MK	22	#include <linux/module.h>
	23	#include <linux/init.h>
	24
2e5c1ec8	25	#include "smscoreapi.h"
1c11d546	26	#include "sms-cards.h"
2e5c1ec8	27
9c59f968 MK	28	DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
9c59f968 MK	29
62c7167d MK	30	struct smsdvb_client_t {
	31	struct list_head entry;
	32
	33	struct smscore_device_t *coredev;
	34	struct smscore_client_t *smsclient;
	35
	36	struct dvb_adapter adapter;
	37	struct dvb_demux demux;
	38	struct dmxdev dmxdev;
	39	struct dvb_frontend frontend;
	40
	41	fe_status_t fe_status;
	42	int fe_ber, fe_snr, fe_unc, fe_signal_strength;
	43
	44	struct completion tune_done, stat_done;
	45
	46	/* todo: save freq/band instead whole struct */
	47	struct dvb_frontend_parameters fe_params;
	48	};
	49
c5e0bd1a AB	50	static struct list_head g_smsdvb_clients;
c5e0bd1a AB	51	static struct mutex g_smsdvb_clientslock;
2e5c1ec8	52
0c071f37	53	static int smsdvb_onresponse(void context, struct smscore_buffer_t cb)
2e5c1ec8	54	{
18245e18 MK	55	struct smsdvb_client_t client = (struct smsdvb_client_t ) context;
	56	struct SmsMsgHdr_ST *phdr =
	57	(struct SmsMsgHdr_ST )(((u8 ) cb->p) + cb->offset);
2e5c1ec8	58
fa830e8a	59	switch (phdr->msgType) {
82237416 MK	60	case MSG_SMS_DVBT_BDA_DATA:
82237416 MK	61	dvb_dmx_swfilter(&client->demux, (u8 *)(phdr + 1),
18245e18	62	cb->size - sizeof(struct SmsMsgHdr_ST));
82237416 MK	63	break;
	64
	65	case MSG_SMS_RF_TUNE_RES:
	66	complete(&client->tune_done);
	67	break;
2e5c1ec8	68
82237416 MK	69	case MSG_SMS_GET_STATISTICS_RES:
82237416 MK	70	{
18245e18 MK	71	struct SmsMsgStatisticsInfo_ST *p =
18245e18 MK	72	(struct SmsMsgStatisticsInfo_ST *)(phdr + 1);
2e5c1ec8	73
fa830e8a	74	if (p->Stat.IsDemodLocked) {
82237416 MK	75	client->fe_status = FE_HAS_SIGNAL \|
	76	FE_HAS_CARRIER \|
	77	FE_HAS_VITERBI \|
	78	FE_HAS_SYNC \|
	79	FE_HAS_LOCK;
	80
	81	client->fe_snr = p->Stat.SNR;
	82	client->fe_ber = p->Stat.BER;
851a9091	83	client->fe_unc = p->Stat.BERErrorCount;
2e5c1ec8	84
82237416 MK	85	if (p->Stat.InBandPwr < -95)
	86	client->fe_signal_strength = 0;
	87	else if (p->Stat.InBandPwr > -29)
	88	client->fe_signal_strength = 100;
	89	else
	90	client->fe_signal_strength =
	91	(p->Stat.InBandPwr + 95) * 3 / 2;
	92	} else {
	93	client->fe_status = 0;
	94	client->fe_snr =
	95	client->fe_ber =
851a9091	96	client->fe_unc =
82237416	97	client->fe_signal_strength = 0;
2e5c1ec8	98	}
82237416 MK	99
	100	complete(&client->stat_done);
	101	break;
	102	} }
2e5c1ec8 MK	103
	104	smscore_putbuffer(client->coredev, cb);
	105
	106	return 0;
	107	}
	108
0c071f37	109	static void smsdvb_unregister_client(struct smsdvb_client_t *client)
2e5c1ec8	110	{
fa830e8a	111	/* must be called under clientslock */
2e5c1ec8 MK	112
	113	list_del(&client->entry);
	114
	115	smscore_unregister_client(client->smsclient);
	116	dvb_unregister_frontend(&client->frontend);
	117	dvb_dmxdev_release(&client->dmxdev);
	118	dvb_dmx_release(&client->demux);
	119	dvb_unregister_adapter(&client->adapter);
	120	kfree(client);
	121	}
	122
0c071f37	123	static void smsdvb_onremove(void *context)
2e5c1ec8 MK	124	{
	125	kmutex_lock(&g_smsdvb_clientslock);
	126
18245e18	127	smsdvb_unregister_client((struct smsdvb_client_t *) context);
2e5c1ec8 MK	128
	129	kmutex_unlock(&g_smsdvb_clientslock);
	130	}
	131
	132	static int smsdvb_start_feed(struct dvb_demux_feed *feed)
	133	{
18245e18 MK	134	struct smsdvb_client_t *client =
	135	container_of(feed->demux, struct smsdvb_client_t, demux);
	136	struct SmsMsgData_ST PidMsg;
2e5c1ec8	137
a0c0abcb	138	sms_debug("add pid %d(%x)",
068d6c0f	139	feed->pid, feed->pid);
2e5c1ec8 MK	140
	141	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	142	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
	143	PidMsg.xMsgHeader.msgFlags = 0;
	144	PidMsg.xMsgHeader.msgType = MSG_SMS_ADD_PID_FILTER_REQ;
	145	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
	146	PidMsg.msgData[0] = feed->pid;
	147
82237416 MK	148	return smsclient_sendrequest(client->smsclient,
82237416 MK	149	&PidMsg, sizeof(PidMsg));
2e5c1ec8 MK	150	}
	151
	152	static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
	153	{
18245e18 MK	154	struct smsdvb_client_t *client =
	155	container_of(feed->demux, struct smsdvb_client_t, demux);
	156	struct SmsMsgData_ST PidMsg;
2e5c1ec8	157
a0c0abcb	158	sms_debug("remove pid %d(%x)",
068d6c0f	159	feed->pid, feed->pid);
2e5c1ec8 MK	160
	161	PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	162	PidMsg.xMsgHeader.msgDstId = HIF_TASK;
	163	PidMsg.xMsgHeader.msgFlags = 0;
	164	PidMsg.xMsgHeader.msgType = MSG_SMS_REMOVE_PID_FILTER_REQ;
	165	PidMsg.xMsgHeader.msgLength = sizeof(PidMsg);
	166	PidMsg.msgData[0] = feed->pid;
	167
82237416 MK	168	return smsclient_sendrequest(client->smsclient,
82237416 MK	169	&PidMsg, sizeof(PidMsg));
2e5c1ec8 MK	170	}
2e5c1ec8 MK	171
18245e18	172	static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client,
a83ccdd6 MK	173	void *buffer, size_t size,
a83ccdd6 MK	174	struct completion *completion)
2e5c1ec8 MK	175	{
	176	int rc = smsclient_sendrequest(client->smsclient, buffer, size);
	177	if (rc < 0)
	178	return rc;
	179
82237416 MK	180	return wait_for_completion_timeout(completion,
	181	msecs_to_jiffies(2000)) ?
	182	0 : -ETIME;
2e5c1ec8 MK	183	}
2e5c1ec8 MK	184
18245e18	185	static int smsdvb_send_statistics_request(struct smsdvb_client_t *client)
2e5c1ec8	186	{
18245e18	187	struct SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ,
82237416	188	DVBT_BDA_CONTROL_MSG_ID,
18245e18	189	HIF_TASK, sizeof(struct SmsMsgHdr_ST), 0 };
7b29e10d MK	190	int ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
	191	&client->stat_done);
	192	if (ret < 0)
	193	return ret;
	194
	195	if (client->fe_status & FE_HAS_LOCK)
	196	sms_board_led_feedback(client->coredev,
	197	(client->fe_unc == 0) ?
	198	SMS_LED_HI : SMS_LED_LO);
	199	else
	200	sms_board_led_feedback(client->coredev, SMS_LED_OFF);
	201	return ret;
2e5c1ec8 MK	202	}
	203
	204	static int smsdvb_read_status(struct dvb_frontend fe, fe_status_t stat)
	205	{
18245e18 MK	206	struct smsdvb_client_t *client =
18245e18 MK	207	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8 MK	208	int rc = smsdvb_send_statistics_request(client);
	209
	210	if (!rc)
	211	*stat = client->fe_status;
	212
	213	return rc;
	214	}
	215
	216	static int smsdvb_read_ber(struct dvb_frontend fe, u32 ber)
	217	{
18245e18 MK	218	struct smsdvb_client_t *client =
18245e18 MK	219	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8 MK	220	int rc = smsdvb_send_statistics_request(client);
	221
	222	if (!rc)
	223	*ber = client->fe_ber;
	224
	225	return rc;
	226	}
	227
	228	static int smsdvb_read_signal_strength(struct dvb_frontend fe, u16 strength)
	229	{
18245e18 MK	230	struct smsdvb_client_t *client =
18245e18 MK	231	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8 MK	232	int rc = smsdvb_send_statistics_request(client);
	233
	234	if (!rc)
	235	*strength = client->fe_signal_strength;
	236
	237	return rc;
	238	}
	239
	240	static int smsdvb_read_snr(struct dvb_frontend fe, u16 snr)
	241	{
18245e18 MK	242	struct smsdvb_client_t *client =
18245e18 MK	243	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8 MK	244	int rc = smsdvb_send_statistics_request(client);
	245
	246	if (!rc)
	247	*snr = client->fe_snr;
	248
	249	return rc;
	250	}
	251
851a9091 MK	252	static int smsdvb_read_ucblocks(struct dvb_frontend fe, u32 ucblocks)
	253	{
	254	struct smsdvb_client_t *client =
	255	container_of(fe, struct smsdvb_client_t, frontend);
	256	int rc = smsdvb_send_statistics_request(client);
	257
	258	if (!rc)
	259	*ucblocks = client->fe_unc;
	260
	261	return rc;
	262	}
	263
82237416 MK	264	static int smsdvb_get_tune_settings(struct dvb_frontend *fe,
82237416 MK	265	struct dvb_frontend_tune_settings *tune)
2e5c1ec8	266	{
a0c0abcb	267	sms_debug("");
2e5c1ec8 MK	268
	269	tune->min_delay_ms = 400;
	270	tune->step_size = 250000;
	271	tune->max_drift = 0;
	272	return 0;
	273	}
	274
82237416 MK	275	static int smsdvb_set_frontend(struct dvb_frontend *fe,
82237416 MK	276	struct dvb_frontend_parameters *fep)
2e5c1ec8	277	{
18245e18 MK	278	struct smsdvb_client_t *client =
18245e18 MK	279	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8	280
18245e18 MK	281	struct {
18245e18 MK	282	struct SmsMsgHdr_ST Msg;
82237416	283	u32 Data[3];
2e5c1ec8	284	} Msg;
d54093af	285	int ret;
2e5c1ec8 MK	286
	287	Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
	288	Msg.Msg.msgDstId = HIF_TASK;
	289	Msg.Msg.msgFlags = 0;
	290	Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ;
	291	Msg.Msg.msgLength = sizeof(Msg);
	292	Msg.Data[0] = fep->frequency;
	293	Msg.Data[2] = 12000000;
	294
a0c0abcb	295	sms_debug("freq %d band %d",
068d6c0f	296	fep->frequency, fep->u.ofdm.bandwidth);
2e5c1ec8	297
fa830e8a MK	298	switch (fep->u.ofdm.bandwidth) {
	299	case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break;
	300	case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break;
	301	case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break;
	302	case BANDWIDTH_AUTO: return -EOPNOTSUPP;
	303	default: return -EINVAL;
2e5c1ec8 MK	304	}
2e5c1ec8 MK	305
d54093af MK	306	/* Disable LNA, if any. An error is returned if no LNA is present */
	307	ret = sms_board_lna_control(client->coredev, 0);
	308	if (ret == 0) {
	309	fe_status_t status;
	310
	311	/* tune with LNA off at first */
	312	ret = smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
	313	&client->tune_done);
	314
	315	smsdvb_read_status(fe, &status);
	316
	317	if (status & FE_HAS_LOCK)
	318	return ret;
	319
	320	/* previous tune didnt lock - enable LNA and tune again */
	321	sms_board_lna_control(client->coredev, 1);
	322	}
	323
82237416 MK	324	return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg),
82237416 MK	325	&client->tune_done);
2e5c1ec8 MK	326	}
2e5c1ec8 MK	327
82237416 MK	328	static int smsdvb_get_frontend(struct dvb_frontend *fe,
82237416 MK	329	struct dvb_frontend_parameters *fep)
2e5c1ec8	330	{
18245e18 MK	331	struct smsdvb_client_t *client =
18245e18 MK	332	container_of(fe, struct smsdvb_client_t, frontend);
2e5c1ec8	333
a0c0abcb	334	sms_debug("");
2e5c1ec8	335
fa830e8a	336	/* todo: */
82237416 MK	337	memcpy(fep, &client->fe_params,
82237416 MK	338	sizeof(struct dvb_frontend_parameters));
7a6fbed6 MK	339
	340	return 0;
	341	}
	342
	343	static int smsdvb_init(struct dvb_frontend *fe)
	344	{
	345	struct smsdvb_client_t *client =
	346	container_of(fe, struct smsdvb_client_t, frontend);
	347
	348	sms_board_power(client->coredev, 1);
	349
	350	return 0;
	351	}
	352
	353	static int smsdvb_sleep(struct dvb_frontend *fe)
	354	{
	355	struct smsdvb_client_t *client =
	356	container_of(fe, struct smsdvb_client_t, frontend);
	357
7b29e10d	358	sms_board_led_feedback(client->coredev, SMS_LED_OFF);
7a6fbed6 MK	359	sms_board_power(client->coredev, 0);
7a6fbed6 MK	360
2e5c1ec8 MK	361	return 0;
	362	}
	363
	364	static void smsdvb_release(struct dvb_frontend *fe)
	365	{
fa830e8a	366	/* do nothing */
2e5c1ec8 MK	367	}
	368
	369	static struct dvb_frontend_ops smsdvb_fe_ops = {
	370	.info = {
e0f14c25	371	.name = "Siano Mobile Digital MDTV Receiver",
82237416	372	.type = FE_OFDM,
2e5c1ec8 MK	373	.frequency_min = 44250000,
	374	.frequency_max = 867250000,
	375	.frequency_stepsize = 250000,
	376	.caps = FE_CAN_INVERSION_AUTO \|
82237416 MK	377	FE_CAN_FEC_1_2 \| FE_CAN_FEC_2_3 \| FE_CAN_FEC_3_4 \|
	378	FE_CAN_FEC_5_6 \| FE_CAN_FEC_7_8 \| FE_CAN_FEC_AUTO \|
	379	FE_CAN_QPSK \| FE_CAN_QAM_16 \| FE_CAN_QAM_64 \|
	380	FE_CAN_QAM_AUTO \| FE_CAN_TRANSMISSION_MODE_AUTO \|
	381	FE_CAN_GUARD_INTERVAL_AUTO \|
	382	FE_CAN_RECOVER \|
	383	FE_CAN_HIERARCHY_AUTO,
2e5c1ec8 MK	384	},
	385
	386	.release = smsdvb_release,
	387
	388	.set_frontend = smsdvb_set_frontend,
	389	.get_frontend = smsdvb_get_frontend,
	390	.get_tune_settings = smsdvb_get_tune_settings,
	391
	392	.read_status = smsdvb_read_status,
	393	.read_ber = smsdvb_read_ber,
	394	.read_signal_strength = smsdvb_read_signal_strength,
	395	.read_snr = smsdvb_read_snr,
851a9091	396	.read_ucblocks = smsdvb_read_ucblocks,
7a6fbed6 MK	397
	398	.init = smsdvb_init,
	399	.sleep = smsdvb_sleep,
2e5c1ec8 MK	400	};
2e5c1ec8 MK	401
0c071f37 MK	402	static int smsdvb_hotplug(struct smscore_device_t *coredev,
0c071f37 MK	403	struct device *device, int arrival)
2e5c1ec8	404	{
18245e18 MK	405	struct smsclient_params_t params;
18245e18 MK	406	struct smsdvb_client_t *client;
2e5c1ec8 MK	407	int rc;
2e5c1ec8 MK	408
fa830e8a	409	/* device removal handled by onremove callback */
2e5c1ec8 MK	410	if (!arrival)
	411	return 0;
	412
e0f14c25	413	if (smscore_get_device_mode(coredev) != DEVICE_MODE_DVBT_BDA) {
a0c0abcb MK	414	sms_err("SMS Device mode is not set for "
a0c0abcb MK	415	"DVB operation.");
f17407a8	416	return 0;
2e5c1ec8 MK	417	}
2e5c1ec8 MK	418
18245e18	419	client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL);
82237416	420	if (!client) {
eb250942	421	sms_err("kmalloc() failed");
2e5c1ec8 MK	422	return -ENOMEM;
	423	}
	424
fa830e8a	425	/* register dvb adapter */
1c11d546 MK	426	rc = dvb_register_adapter(&client->adapter,
	427	sms_get_board(
	428	smscore_get_board_id(coredev))->name,
82237416 MK	429	THIS_MODULE, device, adapter_nr);
82237416 MK	430	if (rc < 0) {
a0c0abcb	431	sms_err("dvb_register_adapter() failed %d", rc);
2e5c1ec8 MK	432	goto adapter_error;
	433	}
	434
fa830e8a	435	/* init dvb demux */
2e5c1ec8	436	client->demux.dmx.capabilities = DMX_TS_FILTERING;
fa830e8a	437	client->demux.filternum = 32; /* todo: nova ??? */
2e5c1ec8 MK	438	client->demux.feednum = 32;
	439	client->demux.start_feed = smsdvb_start_feed;
	440	client->demux.stop_feed = smsdvb_stop_feed;
	441
	442	rc = dvb_dmx_init(&client->demux);
82237416	443	if (rc < 0) {
a0c0abcb	444	sms_err("dvb_dmx_init failed %d", rc);
2e5c1ec8 MK	445	goto dvbdmx_error;
	446	}
	447
fa830e8a	448	/* init dmxdev */
2e5c1ec8 MK	449	client->dmxdev.filternum = 32;
	450	client->dmxdev.demux = &client->demux.dmx;
	451	client->dmxdev.capabilities = 0;
	452
	453	rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter);
82237416	454	if (rc < 0) {
a0c0abcb	455	sms_err("dvb_dmxdev_init failed %d", rc);
2e5c1ec8 MK	456	goto dmxdev_error;
	457	}
	458
fa830e8a	459	/* init and register frontend */
82237416 MK	460	memcpy(&client->frontend.ops, &smsdvb_fe_ops,
82237416 MK	461	sizeof(struct dvb_frontend_ops));
2e5c1ec8 MK	462
2e5c1ec8 MK	463	rc = dvb_register_frontend(&client->adapter, &client->frontend);
82237416	464	if (rc < 0) {
a0c0abcb	465	sms_err("frontend registration failed %d", rc);
2e5c1ec8 MK	466	goto frontend_error;
	467	}
	468
f17407a8	469	params.initial_id = 1;
2e5c1ec8 MK	470	params.data_type = MSG_SMS_DVBT_BDA_DATA;
	471	params.onresponse_handler = smsdvb_onresponse;
	472	params.onremove_handler = smsdvb_onremove;
	473	params.context = client;
	474
	475	rc = smscore_register_client(coredev, &params, &client->smsclient);
82237416	476	if (rc < 0) {
eb250942	477	sms_err("smscore_register_client() failed %d", rc);
2e5c1ec8 MK	478	goto client_error;
	479	}
	480
	481	client->coredev = coredev;
	482
	483	init_completion(&client->tune_done);
	484	init_completion(&client->stat_done);
	485
	486	kmutex_lock(&g_smsdvb_clientslock);
	487
	488	list_add(&client->entry, &g_smsdvb_clients);
	489
	490	kmutex_unlock(&g_smsdvb_clientslock);
	491
a0c0abcb	492	sms_info("success");
2e5c1ec8	493
250fa674 MK	494	sms_board_setup(coredev);
250fa674 MK	495
2e5c1ec8 MK	496	return 0;
	497
	498	client_error:
	499	dvb_unregister_frontend(&client->frontend);
	500
	501	frontend_error:
	502	dvb_dmxdev_release(&client->dmxdev);
	503
	504	dmxdev_error:
	505	dvb_dmx_release(&client->demux);
	506
	507	dvbdmx_error:
	508	dvb_unregister_adapter(&client->adapter);
	509
	510	adapter_error:
	511	kfree(client);
	512	return rc;
	513	}
	514
e0f14c25	515	int smsdvb_module_init(void)
eae55660 ST	516	{
	517	int rc;
	518
	519	INIT_LIST_HEAD(&g_smsdvb_clients);
	520	kmutex_init(&g_smsdvb_clientslock);
	521
	522	rc = smscore_register_hotplug(smsdvb_hotplug);
	523
a0c0abcb	524	sms_debug("");
eae55660 ST	525
	526	return rc;
	527	}
	528
e0f14c25	529	void smsdvb_module_exit(void)
eae55660 ST	530	{
	531	smscore_unregister_hotplug(smsdvb_hotplug);
	532
	533	kmutex_lock(&g_smsdvb_clientslock);
	534
	535	while (!list_empty(&g_smsdvb_clients))
82237416	536	smsdvb_unregister_client(
18245e18	537	(struct smsdvb_client_t *) g_smsdvb_clients.next);
eae55660 ST	538
eae55660 ST	539	kmutex_unlock(&g_smsdvb_clientslock);
eae55660	540	}
e0f14c25 US	541
	542	module_init(smsdvb_module_init);
	543	module_exit(smsdvb_module_exit);
	544
	545	MODULE_DESCRIPTION("SMS DVB subsystem adaptation module");
	546	MODULE_AUTHOR("Siano Mobile Silicon, INC. (uris@siano-ms.com)");
	547	MODULE_LICENSE("GPL");