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

/*
 *  Driver for the Siano SMS1xxx 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/kernel.h>
#include <linux/init.h>
#include <linux/usb.h>
#include <linux/firmware.h>

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

#define USB1_BUFFER_SIZE		0x1000
#define USB2_BUFFER_SIZE		0x4000

#define MAX_BUFFERS		50
#define MAX_URBS		10

struct smsusb_device_t;

struct smsusb_urb_t {
	struct smscore_buffer_t *cb;
	struct smsusb_device_t	*dev;

	struct urb urb;
};

struct smsusb_device_t {
	struct usb_device *udev;
	struct smscore_device_t *coredev;

	struct smsusb_urb_t 	surbs[MAX_URBS];

	int		response_alignment;
	int		buffer_size;
};

static int smsusb_submit_urb(struct smsusb_device_t *dev,
			     struct smsusb_urb_t *surb);

static void smsusb_onresponse(struct urb *urb)
{
	struct smsusb_urb_t *surb = (struct smsusb_urb_t *) urb->context;
	struct smsusb_device_t *dev = surb->dev;

	if (urb->status < 0) {
		sms_err("error, urb status %d, %d bytes",
			urb->status, urb->actual_length);
		return;
	}

	if (urb->actual_length > 0) {
		struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) surb->cb->p;

		if (urb->actual_length >= phdr->msgLength) {
			surb->cb->size = phdr->msgLength;

			if (dev->response_alignment &&
			    (phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG)) {

				surb->cb->offset =
					dev->response_alignment +
					((phdr->msgFlags >> 8) & 3);

				/* sanity check */
				if (((int) phdr->msgLength +
				     surb->cb->offset) > urb->actual_length) {
					sms_err("invalid response "
						"msglen %d offset %d "
						"size %d",
						phdr->msgLength,
						surb->cb->offset,
						urb->actual_length);
					goto exit_and_resubmit;
				}

				/* move buffer pointer and
				 * copy header to its new location */
				memcpy((char *) phdr + surb->cb->offset,
				       phdr, sizeof(struct SmsMsgHdr_ST));
			} else
				surb->cb->offset = 0;

			smscore_onresponse(dev->coredev, surb->cb);
			surb->cb = NULL;
		} else {
			sms_err("invalid response "
				"msglen %d actual %d",
				phdr->msgLength, urb->actual_length);
		}
	}

exit_and_resubmit:
	smsusb_submit_urb(dev, surb);
}

static int smsusb_submit_urb(struct smsusb_device_t *dev,
			     struct smsusb_urb_t *surb)
{
	if (!surb->cb) {
		surb->cb = smscore_getbuffer(dev->coredev);
		if (!surb->cb) {
			sms_err("smscore_getbuffer(...) returned NULL");
			return -ENOMEM;
		}
	}

	usb_fill_bulk_urb(
		&surb->urb,
		dev->udev,
		usb_rcvbulkpipe(dev->udev, 0x81),
		surb->cb->p,
		dev->buffer_size,
		smsusb_onresponse,
		surb
	);
	surb->urb.transfer_dma = surb->cb->phys;
	surb->urb.transfer_flags |= URB_NO_TRANSFER_DMA_MAP;

	return usb_submit_urb(&surb->urb, GFP_ATOMIC);
}

static void smsusb_stop_streaming(struct smsusb_device_t *dev)
{
	int i;

	for (i = 0; i < MAX_URBS; i++) {
		usb_kill_urb(&dev->surbs[i].urb);

		if (dev->surbs[i].cb) {
			smscore_putbuffer(dev->coredev, dev->surbs[i].cb);
			dev->surbs[i].cb = NULL;
		}
	}
}

static int smsusb_start_streaming(struct smsusb_device_t *dev)
{
	int i, rc;

	for (i = 0; i < MAX_URBS; i++) {
		rc = smsusb_submit_urb(dev, &dev->surbs[i]);
		if (rc < 0) {
			sms_err("smsusb_submit_urb(...) failed");
			smsusb_stop_streaming(dev);
			break;
		}
	}

	return rc;
}

static int smsusb_sendrequest(void *context, void *buffer, size_t size)
{
	struct smsusb_device_t *dev = (struct smsusb_device_t *) context;
	int dummy;

	return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2),
			    buffer, size, &dummy, 1000);
}

static char *smsusb1_fw_lkup[] = {
	"dvbt_stellar_usb.inp",
	"dvbh_stellar_usb.inp",
	"tdmb_stellar_usb.inp",
	"none",
	"dvbt_bda_stellar_usb.inp",
};

static int smsusb1_load_firmware(struct usb_device *udev, int id)
{
	const struct firmware *fw;
	u8 *fw_buffer;
	int rc, dummy;

	if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA) {
		sms_err("invalid firmware id specified %d", id);
		return -EINVAL;
	}

	rc = request_firmware(&fw, smsusb1_fw_lkup[id], &udev->dev);
	if (rc < 0) {
		sms_err("failed to open \"%s\" mode %d",
			smsusb1_fw_lkup[id], id);
		return rc;
	}

	fw_buffer = kmalloc(fw->size, GFP_KERNEL);
	if (fw_buffer) {
		memcpy(fw_buffer, fw->data, fw->size);

		rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2),
				  fw_buffer, fw->size, &dummy, 1000);

		sms_info("sent %zd(%d) bytes, rc %d", fw->size, dummy, rc);

		kfree(fw_buffer);
	} else {
		sms_err("failed to allocate firmware buffer");
		rc = -ENOMEM;
	}
	sms_info("read FW %s, size=%zd", smsusb1_fw_lkup[id], fw->size);

	release_firmware(fw);

	return rc;
}

static void smsusb1_detectmode(void *context, int *mode)
{
	char *product_string =
		((struct smsusb_device_t *) context)->udev->product;

	*mode = DEVICE_MODE_NONE;

	if (!product_string) {
		product_string = "none";
		sms_err("product string not found");
	} else if (strstr(product_string, "DVBH"))
		*mode = 1;
	else if (strstr(product_string, "BDA"))
		*mode = 4;
	else if (strstr(product_string, "DVBT"))
		*mode = 0;
	else if (strstr(product_string, "TDMB"))
		*mode = 2;

	sms_info("%d \"%s\"", *mode, product_string);
}

static int smsusb1_setmode(void *context, int mode)
{
	struct SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK,
			     sizeof(struct SmsMsgHdr_ST), 0 };

	if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) {
		sms_err("invalid firmware id specified %d", mode);
		return -EINVAL;
	}

	return smsusb_sendrequest(context, &Msg, sizeof(Msg));
}

static void smsusb_term_device(struct usb_interface *intf)
{
	struct smsusb_device_t *dev =
		(struct smsusb_device_t *) usb_get_intfdata(intf);

	if (dev) {
		smsusb_stop_streaming(dev);

		/* unregister from smscore */
		if (dev->coredev)
			smscore_unregister_device(dev->coredev);

		kfree(dev);

		sms_info("device %p destroyed", dev);
	}

	usb_set_intfdata(intf, NULL);
}

static int smsusb_init_device(struct usb_interface *intf, int board_id)
{
	struct smsdevice_params_t params;
	struct smsusb_device_t *dev;
	int i, rc;

	/* create device object */
	dev = kzalloc(sizeof(struct smsusb_device_t), GFP_KERNEL);
	if (!dev) {
		sms_err("kzalloc(sizeof(struct smsusb_device_t) failed");
		return -ENOMEM;
	}

	memset(&params, 0, sizeof(params));
	usb_set_intfdata(intf, dev);
	dev->udev = interface_to_usbdev(intf);

	params.device_type = sms_get_board(board_id)->type;

	switch (params.device_type) {
	case SMS_STELLAR:
		dev->buffer_size = USB1_BUFFER_SIZE;

		params.setmode_handler = smsusb1_setmode;
		params.detectmode_handler = smsusb1_detectmode;
		break;
	default:
		sms_err("Unspecified sms device type!");
		/* fall-thru */
	case SMS_NOVA_A0:
	case SMS_NOVA_B0:
	case SMS_VEGA:
		dev->buffer_size = USB2_BUFFER_SIZE;
		dev->response_alignment =
			dev->udev->ep_in[1]->desc.wMaxPacketSize -
			sizeof(struct SmsMsgHdr_ST);

		params.flags |= SMS_DEVICE_FAMILY2;
		break;
	}

	params.device = &dev->udev->dev;
	params.buffer_size = dev->buffer_size;
	params.num_buffers = MAX_BUFFERS;
	params.sendrequest_handler = smsusb_sendrequest;
	params.context = dev;
	snprintf(params.devpath, sizeof(params.devpath),
		 "usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath);

	/* register in smscore */
	rc = smscore_register_device(&params, &dev->coredev);
	if (rc < 0) {
		sms_err("smscore_register_device(...) failed, rc %d", rc);
		smsusb_term_device(intf);
		return rc;
	}

	smscore_set_board_id(dev->coredev, board_id);

	/* initialize urbs */
	for (i = 0; i < MAX_URBS; i++) {
		dev->surbs[i].dev = dev;
		usb_init_urb(&dev->surbs[i].urb);
	}

	sms_info("smsusb_start_streaming(...).");
	rc = smsusb_start_streaming(dev);
	if (rc < 0) {
		sms_err("smsusb_start_streaming(...) failed");
		smsusb_term_device(intf);
		return rc;
	}

	rc = smscore_start_device(dev->coredev);
	if (rc < 0) {
		sms_err("smscore_start_device(...) failed");
		smsusb_term_device(intf);
		return rc;
	}

	sms_info("device %p created", dev);

	return rc;
}

static int smsusb_probe(struct usb_interface *intf,
			const struct usb_device_id *id)
{
	struct usb_device *udev = interface_to_usbdev(intf);
	char devpath[32];
	int i, rc;

	rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
	rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));

	if (intf->num_altsetting > 0) {
		rc = usb_set_interface(
			udev, intf->cur_altsetting->desc.bInterfaceNumber, 0);
		if (rc < 0) {
			sms_err("usb_set_interface failed, rc %d", rc);
			return rc;
		}
	}

	sms_info("smsusb_probe %d",
	       intf->cur_altsetting->desc.bInterfaceNumber);
	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
		sms_info("endpoint %d %02x %02x %d", i,
		       intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
		       intf->cur_altsetting->endpoint[i].desc.bmAttributes,
		       intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);

	if ((udev->actconfig->desc.bNumInterfaces == 2) &&
	    (intf->cur_altsetting->desc.bInterfaceNumber == 0)) {
		sms_err("rom interface 0 is not used");
		return -ENODEV;
	}

	if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
		snprintf(devpath, sizeof(devpath), "usb\\%d-%s",
			 udev->bus->busnum, udev->devpath);
		sms_info("stellar device was found.");
		return smsusb1_load_firmware(
				udev, smscore_registry_getmode(devpath));
	}

	rc = smsusb_init_device(intf, id->driver_info);
	sms_info("rc %d", rc);
	return rc;
}

static void smsusb_disconnect(struct usb_interface *intf)
{
	smsusb_term_device(intf);
}

static struct usb_driver smsusb_driver = {
	.name			= "sms1xxx",
	.probe			= smsusb_probe,
	.disconnect		= smsusb_disconnect,
	.id_table		= smsusb_id_table,
};

int smsusb_register(void)
{
	int rc = usb_register(&smsusb_driver);
	if (rc)
		sms_err("usb_register failed. Error number %d", rc);

	sms_debug("");

	return rc;
}

void smsusb_unregister(void)
{
	sms_debug("");
	/* Regular USB Cleanup */
	usb_deregister(&smsusb_driver);
}
Commit	Line	Data
8d4f9d0e	1	/*
8f37356b	2	* Driver for the Siano SMS1xxx USB dongle
8d4f9d0e	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/kernel.h>
2e5c1ec8 MK	23	#include <linux/init.h>
2e5c1ec8 MK	24	#include <linux/usb.h>
	25	#include <linux/firmware.h>
	26
2e5c1ec8	27	#include "smscoreapi.h"
1c11d546	28	#include "sms-cards.h"
2e5c1ec8	29
2e5c1ec8 MK	30	#define USB1_BUFFER_SIZE 0x1000
	31	#define USB2_BUFFER_SIZE 0x4000
	32
	33	#define MAX_BUFFERS 50
	34	#define MAX_URBS 10
	35
18245e18	36	struct smsusb_device_t;
2e5c1ec8	37
18245e18 MK	38	struct smsusb_urb_t {
	39	struct smscore_buffer_t *cb;
	40	struct smsusb_device_t *dev;
2e5c1ec8	41
18245e18 MK	42	struct urb urb;
18245e18 MK	43	};
2e5c1ec8	44
18245e18	45	struct smsusb_device_t {
a83ccdd6	46	struct usb_device *udev;
18245e18	47	struct smscore_device_t *coredev;
2e5c1ec8	48
18245e18	49	struct smsusb_urb_t surbs[MAX_URBS];
2e5c1ec8	50
82237416 MK	51	int response_alignment;
82237416 MK	52	int buffer_size;
18245e18	53	};
2e5c1ec8	54
0c071f37 MK	55	static int smsusb_submit_urb(struct smsusb_device_t *dev,
0c071f37 MK	56	struct smsusb_urb_t *surb);
2e5c1ec8	57
0c071f37	58	static void smsusb_onresponse(struct urb *urb)
2e5c1ec8	59	{
18245e18 MK	60	struct smsusb_urb_t surb = (struct smsusb_urb_t ) urb->context;
18245e18 MK	61	struct smsusb_device_t *dev = surb->dev;
2e5c1ec8	62
82237416	63	if (urb->status < 0) {
eb250942 MK	64	sms_err("error, urb status %d, %d bytes",
eb250942 MK	65	urb->status, urb->actual_length);
2e5c1ec8 MK	66	return;
	67	}
	68
82237416	69	if (urb->actual_length > 0) {
18245e18	70	struct SmsMsgHdr_ST phdr = (struct SmsMsgHdr_ST ) surb->cb->p;
2e5c1ec8	71
82237416	72	if (urb->actual_length >= phdr->msgLength) {
2e5c1ec8 MK	73	surb->cb->size = phdr->msgLength;
2e5c1ec8 MK	74
82237416 MK	75	if (dev->response_alignment &&
	76	(phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG)) {
	77
	78	surb->cb->offset =
	79	dev->response_alignment +
	80	((phdr->msgFlags >> 8) & 3);
	81
	82	/* sanity check */
	83	if (((int) phdr->msgLength +
	84	surb->cb->offset) > urb->actual_length) {
eb250942 MK	85	sms_err("invalid response "
	86	"msglen %d offset %d "
	87	"size %d",
	88	phdr->msgLength,
	89	surb->cb->offset,
	90	urb->actual_length);
2e5c1ec8 MK	91	goto exit_and_resubmit;
	92	}
	93
82237416 MK	94	/* move buffer pointer and
82237416 MK	95	* copy header to its new location */
55ad310c	96	memcpy((char *) phdr + surb->cb->offset,
18245e18	97	phdr, sizeof(struct SmsMsgHdr_ST));
82237416	98	} else
2e5c1ec8 MK	99	surb->cb->offset = 0;
	100
	101	smscore_onresponse(dev->coredev, surb->cb);
	102	surb->cb = NULL;
82237416	103	} else {
eb250942 MK	104	sms_err("invalid response "
	105	"msglen %d actual %d",
	106	phdr->msgLength, urb->actual_length);
2e5c1ec8 MK	107	}
	108	}
	109
	110	exit_and_resubmit:
	111	smsusb_submit_urb(dev, surb);
	112	}
	113
0c071f37 MK	114	static int smsusb_submit_urb(struct smsusb_device_t *dev,
0c071f37 MK	115	struct smsusb_urb_t *surb)
2e5c1ec8	116	{
82237416	117	if (!surb->cb) {
2e5c1ec8	118	surb->cb = smscore_getbuffer(dev->coredev);
82237416	119	if (!surb->cb) {
eb250942	120	sms_err("smscore_getbuffer(...) returned NULL");
2e5c1ec8 MK	121	return -ENOMEM;
	122	}
	123	}
	124
	125	usb_fill_bulk_urb(
	126	&surb->urb,
	127	dev->udev,
	128	usb_rcvbulkpipe(dev->udev, 0x81),
	129	surb->cb->p,
	130	dev->buffer_size,
	131	smsusb_onresponse,
	132	surb
	133	);
	134	surb->urb.transfer_dma = surb->cb->phys;
	135	surb->urb.transfer_flags \|= URB_NO_TRANSFER_DMA_MAP;
	136
	137	return usb_submit_urb(&surb->urb, GFP_ATOMIC);
	138	}
	139
0c071f37	140	static void smsusb_stop_streaming(struct smsusb_device_t *dev)
2e5c1ec8 MK	141	{
	142	int i;
	143
fa830e8a	144	for (i = 0; i < MAX_URBS; i++) {
2e5c1ec8 MK	145	usb_kill_urb(&dev->surbs[i].urb);
2e5c1ec8 MK	146
82237416	147	if (dev->surbs[i].cb) {
2e5c1ec8 MK	148	smscore_putbuffer(dev->coredev, dev->surbs[i].cb);
	149	dev->surbs[i].cb = NULL;
	150	}
	151	}
	152	}
	153
0c071f37	154	static int smsusb_start_streaming(struct smsusb_device_t *dev)
2e5c1ec8 MK	155	{
	156	int i, rc;
	157
fa830e8a	158	for (i = 0; i < MAX_URBS; i++) {
2e5c1ec8	159	rc = smsusb_submit_urb(dev, &dev->surbs[i]);
82237416	160	if (rc < 0) {
eb250942	161	sms_err("smsusb_submit_urb(...) failed");
2e5c1ec8 MK	162	smsusb_stop_streaming(dev);
	163	break;
	164	}
	165	}
	166
	167	return rc;
	168	}
	169
0c071f37	170	static int smsusb_sendrequest(void context, void buffer, size_t size)
2e5c1ec8	171	{
18245e18	172	struct smsusb_device_t dev = (struct smsusb_device_t ) context;
2e5c1ec8 MK	173	int dummy;
2e5c1ec8 MK	174
82237416 MK	175	return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2),
82237416 MK	176	buffer, size, &dummy, 1000);
2e5c1ec8 MK	177	}
2e5c1ec8 MK	178
0c071f37	179	static char *smsusb1_fw_lkup[] = {
2e5c1ec8 MK	180	"dvbt_stellar_usb.inp",
	181	"dvbh_stellar_usb.inp",
	182	"tdmb_stellar_usb.inp",
	183	"none",
	184	"dvbt_bda_stellar_usb.inp",
	185	};
	186
0c071f37	187	static int smsusb1_load_firmware(struct usb_device *udev, int id)
2e5c1ec8 MK	188	{
2e5c1ec8 MK	189	const struct firmware *fw;
a83ccdd6	190	u8 *fw_buffer;
2e5c1ec8 MK	191	int rc, dummy;
2e5c1ec8 MK	192
82237416	193	if (id < DEVICE_MODE_DVBT \|\| id > DEVICE_MODE_DVBT_BDA) {
eb250942	194	sms_err("invalid firmware id specified %d", id);
2e5c1ec8 MK	195	return -EINVAL;
	196	}
	197
	198	rc = request_firmware(&fw, smsusb1_fw_lkup[id], &udev->dev);
82237416	199	if (rc < 0) {
eb250942 MK	200	sms_err("failed to open \"%s\" mode %d",
eb250942 MK	201	smsusb1_fw_lkup[id], id);
2e5c1ec8 MK	202	return rc;
	203	}
	204
	205	fw_buffer = kmalloc(fw->size, GFP_KERNEL);
82237416	206	if (fw_buffer) {
2e5c1ec8 MK	207	memcpy(fw_buffer, fw->data, fw->size);
2e5c1ec8 MK	208
82237416 MK	209	rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2),
82237416 MK	210	fw_buffer, fw->size, &dummy, 1000);
2e5c1ec8	211
0f2a1ee1	212	sms_info("sent %zd(%d) bytes, rc %d", fw->size, dummy, rc);
2e5c1ec8 MK	213
2e5c1ec8 MK	214	kfree(fw_buffer);
82237416	215	} else {
eb250942	216	sms_err("failed to allocate firmware buffer");
2e5c1ec8 MK	217	rc = -ENOMEM;
2e5c1ec8 MK	218	}
0f2a1ee1	219	sms_info("read FW %s, size=%zd", smsusb1_fw_lkup[id], fw->size);
2e5c1ec8 MK	220
	221	release_firmware(fw);
	222
	223	return rc;
	224	}
	225
0c071f37	226	static void smsusb1_detectmode(void context, int mode)
2e5c1ec8	227	{
18245e18 MK	228	char *product_string =
18245e18 MK	229	((struct smsusb_device_t *) context)->udev->product;
2e5c1ec8 MK	230
	231	*mode = DEVICE_MODE_NONE;
	232
82237416	233	if (!product_string) {
2e5c1ec8	234	product_string = "none";
a0c0abcb	235	sms_err("product string not found");
82237416 MK	236	} else if (strstr(product_string, "DVBH"))
	237	*mode = 1;
	238	else if (strstr(product_string, "BDA"))
	239	*mode = 4;
	240	else if (strstr(product_string, "DVBT"))
	241	*mode = 0;
	242	else if (strstr(product_string, "TDMB"))
	243	*mode = 2;
2e5c1ec8	244
a0c0abcb	245	sms_info("%d \"%s\"", *mode, product_string);
2e5c1ec8 MK	246	}
2e5c1ec8 MK	247
0c071f37	248	static int smsusb1_setmode(void *context, int mode)
2e5c1ec8	249	{
18245e18 MK	250	struct SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK,
18245e18 MK	251	sizeof(struct SmsMsgHdr_ST), 0 };
2e5c1ec8	252
82237416	253	if (mode < DEVICE_MODE_DVBT \|\| mode > DEVICE_MODE_DVBT_BDA) {
eb250942	254	sms_err("invalid firmware id specified %d", mode);
2e5c1ec8 MK	255	return -EINVAL;
	256	}
	257
	258	return smsusb_sendrequest(context, &Msg, sizeof(Msg));
	259	}
	260
0c071f37	261	static void smsusb_term_device(struct usb_interface *intf)
2e5c1ec8	262	{
18245e18 MK	263	struct smsusb_device_t *dev =
18245e18 MK	264	(struct smsusb_device_t *) usb_get_intfdata(intf);
2e5c1ec8	265
82237416	266	if (dev) {
2e5c1ec8 MK	267	smsusb_stop_streaming(dev);
2e5c1ec8 MK	268
fa830e8a	269	/* unregister from smscore */
2e5c1ec8 MK	270	if (dev->coredev)
	271	smscore_unregister_device(dev->coredev);
	272
	273	kfree(dev);
	274
a0c0abcb	275	sms_info("device %p destroyed", dev);
2e5c1ec8 MK	276	}
	277
	278	usb_set_intfdata(intf, NULL);
	279	}
	280
0c071f37	281	static int smsusb_init_device(struct usb_interface *intf, int board_id)
2e5c1ec8	282	{
18245e18 MK	283	struct smsdevice_params_t params;
18245e18 MK	284	struct smsusb_device_t *dev;
2e5c1ec8 MK	285	int i, rc;
2e5c1ec8 MK	286
fa830e8a	287	/* create device object */
18245e18	288	dev = kzalloc(sizeof(struct smsusb_device_t), GFP_KERNEL);
82237416	289	if (!dev) {
eb250942	290	sms_err("kzalloc(sizeof(struct smsusb_device_t) failed");
2e5c1ec8 MK	291	return -ENOMEM;
	292	}
	293
	294	memset(&params, 0, sizeof(params));
	295	usb_set_intfdata(intf, dev);
	296	dev->udev = interface_to_usbdev(intf);
	297
2708e888	298	params.device_type = sms_get_board(board_id)->type;
73104fb3	299
2708e888	300	switch (params.device_type) {
1c11d546	301	case SMS_STELLAR:
f17407a8 MK	302	dev->buffer_size = USB1_BUFFER_SIZE;
	303
	304	params.setmode_handler = smsusb1_setmode;
	305	params.detectmode_handler = smsusb1_detectmode;
f17407a8 MK	306	break;
f17407a8 MK	307	default:
2708e888 MK	308	sms_err("Unspecified sms device type!");
	309	/* fall-thru */
	310	case SMS_NOVA_A0:
	311	case SMS_NOVA_B0:
	312	case SMS_VEGA:
f17407a8	313	dev->buffer_size = USB2_BUFFER_SIZE;
82237416 MK	314	dev->response_alignment =
82237416 MK	315	dev->udev->ep_in[1]->desc.wMaxPacketSize -
18245e18	316	sizeof(struct SmsMsgHdr_ST);
2e5c1ec8	317
f17407a8 MK	318	params.flags \|= SMS_DEVICE_FAMILY2;
f17407a8 MK	319	break;
2e5c1ec8 MK	320	}
	321
	322	params.device = &dev->udev->dev;
	323	params.buffer_size = dev->buffer_size;
	324	params.num_buffers = MAX_BUFFERS;
	325	params.sendrequest_handler = smsusb_sendrequest;
	326	params.context = dev;
82237416 MK	327	snprintf(params.devpath, sizeof(params.devpath),
82237416 MK	328	"usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath);
2e5c1ec8	329
82237416	330	/* register in smscore */
2e5c1ec8	331	rc = smscore_register_device(&params, &dev->coredev);
82237416	332	if (rc < 0) {
eb250942	333	sms_err("smscore_register_device(...) failed, rc %d", rc);
2e5c1ec8 MK	334	smsusb_term_device(intf);
	335	return rc;
	336	}
	337
1c11d546 MK	338	smscore_set_board_id(dev->coredev, board_id);
1c11d546 MK	339
fa830e8a	340	/* initialize urbs */
82237416	341	for (i = 0; i < MAX_URBS; i++) {
2e5c1ec8 MK	342	dev->surbs[i].dev = dev;
	343	usb_init_urb(&dev->surbs[i].urb);
	344	}
	345
a0c0abcb	346	sms_info("smsusb_start_streaming(...).");
2e5c1ec8	347	rc = smsusb_start_streaming(dev);
82237416	348	if (rc < 0) {
eb250942	349	sms_err("smsusb_start_streaming(...) failed");
2e5c1ec8 MK	350	smsusb_term_device(intf);
	351	return rc;
	352	}
	353
	354	rc = smscore_start_device(dev->coredev);
82237416	355	if (rc < 0) {
eb250942	356	sms_err("smscore_start_device(...) failed");
2e5c1ec8 MK	357	smsusb_term_device(intf);
	358	return rc;
	359	}
	360
a0c0abcb	361	sms_info("device %p created", dev);
2e5c1ec8 MK	362
	363	return rc;
	364	}
	365
0c071f37 MK	366	static int smsusb_probe(struct usb_interface *intf,
0c071f37 MK	367	const struct usb_device_id *id)
2e5c1ec8 MK	368	{
	369	struct usb_device *udev = interface_to_usbdev(intf);
	370	char devpath[32];
	371	int i, rc;
	372
f17407a8 MK	373	rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
	374	rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));
	375
82237416	376	if (intf->num_altsetting > 0) {
59bf6b8e MK	377	rc = usb_set_interface(
59bf6b8e MK	378	udev, intf->cur_altsetting->desc.bInterfaceNumber, 0);
82237416	379	if (rc < 0) {
eb250942	380	sms_err("usb_set_interface failed, rc %d", rc);
2e5c1ec8 MK	381	return rc;
	382	}
	383	}
	384
a0c0abcb	385	sms_info("smsusb_probe %d",
82237416	386	intf->cur_altsetting->desc.bInterfaceNumber);
fa830e8a	387	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
a0c0abcb	388	sms_info("endpoint %d %02x %02x %d", i,
82237416 MK	389	intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
	390	intf->cur_altsetting->endpoint[i].desc.bmAttributes,
	391	intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
2e5c1ec8	392
82237416 MK	393	if ((udev->actconfig->desc.bNumInterfaces == 2) &&
82237416 MK	394	(intf->cur_altsetting->desc.bInterfaceNumber == 0)) {
eb250942	395	sms_err("rom interface 0 is not used");
2e5c1ec8 MK	396	return -ENODEV;
	397	}
	398
82237416 MK	399	if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
	400	snprintf(devpath, sizeof(devpath), "usb\\%d-%s",
	401	udev->bus->busnum, udev->devpath);
a0c0abcb	402	sms_info("stellar device was found.");
59bf6b8e MK	403	return smsusb1_load_firmware(
59bf6b8e MK	404	udev, smscore_registry_getmode(devpath));
2e5c1ec8 MK	405	}
2e5c1ec8 MK	406
1c11d546	407	rc = smsusb_init_device(intf, id->driver_info);
a0c0abcb	408	sms_info("rc %d", rc);
f17407a8	409	return rc;
2e5c1ec8 MK	410	}
2e5c1ec8 MK	411
0c071f37	412	static void smsusb_disconnect(struct usb_interface *intf)
2e5c1ec8 MK	413	{
	414	smsusb_term_device(intf);
	415	}
	416
	417	static struct usb_driver smsusb_driver = {
eb383bdd	418	.name = "sms1xxx",
2e5c1ec8	419	.probe = smsusb_probe,
82237416	420	.disconnect = smsusb_disconnect,
2e5c1ec8 MK	421	.id_table = smsusb_id_table,
	422	};
	423
eae55660	424	int smsusb_register(void)
2e5c1ec8 MK	425	{
	426	int rc = usb_register(&smsusb_driver);
	427	if (rc)
eb250942	428	sms_err("usb_register failed. Error number %d", rc);
2e5c1ec8	429
a0c0abcb	430	sms_debug("");
2e5c1ec8 MK	431
	432	return rc;
	433	}
	434
eae55660	435	void smsusb_unregister(void)
2e5c1ec8	436	{
a0c0abcb	437	sms_debug("");
3dd24378	438	/* Regular USB Cleanup */
2e5c1ec8	439	usb_deregister(&smsusb_driver);
2e5c1ec8 MK	440	}
2e5c1ec8 MK	441