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

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

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);
}

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);
}

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;
		}
	}
}

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;
}

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);
}

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

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

		kfree(fw_buffer);
	} else {
		sms_err("failed to allocate firmware buffer");
		rc = -ENOMEM;
	}

	release_firmware(fw);

	return rc;
}

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);
}

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));
}

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);
}

int smsusb_init_device(struct usb_interface *intf, int board_id)
{
	struct smsdevice_params_t params;
	struct smsusb_device_t *dev;
	struct sms_board *board;
	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);

	board = sms_get_board(board_id);

	switch (board->type) {

	case SMS_STELLAR:
		dev->buffer_size = USB1_BUFFER_SIZE;

		params.setmode_handler = smsusb1_setmode;
		params.detectmode_handler = smsusb1_detectmode;
		params.device_type = SMS_STELLAR;
		sms_info("stellar device found");
		break;
	default:
		switch (board->type) {
		case SMS_NOVA_A0:
			params.device_type = SMS_NOVA_A0;
			sms_info("nova A0 found");
			break;
		case SMS_NOVA_B0:
			params.device_type = SMS_NOVA_B0;
			sms_info("nova B0 found");
			break;
		case SMS_VEGA:
			params.device_type = SMS_VEGA;
			sms_info("Vega found");
			break;
		default:
			sms_err("Unspecified sms device type!");
		}

		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;
}

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;
}

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

static struct usb_driver smsusb_driver = {
	.name			= "smsusb",
	.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 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/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
18245e18	55	int smsusb_submit_urb(struct smsusb_device_t dev, struct smsusb_urb_t surb);
2e5c1ec8 MK	56
	57	void smsusb_onresponse(struct urb *urb)
	58	{
18245e18 MK	59	struct smsusb_urb_t surb = (struct smsusb_urb_t ) urb->context;
18245e18 MK	60	struct smsusb_device_t *dev = surb->dev;
2e5c1ec8	61
82237416	62	if (urb->status < 0) {
eb250942 MK	63	sms_err("error, urb status %d, %d bytes",
eb250942 MK	64	urb->status, urb->actual_length);
2e5c1ec8 MK	65	return;
	66	}
	67
82237416	68	if (urb->actual_length > 0) {
18245e18	69	struct SmsMsgHdr_ST phdr = (struct SmsMsgHdr_ST ) surb->cb->p;
2e5c1ec8	70
82237416	71	if (urb->actual_length >= phdr->msgLength) {
2e5c1ec8 MK	72	surb->cb->size = phdr->msgLength;
2e5c1ec8 MK	73
82237416 MK	74	if (dev->response_alignment &&
	75	(phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG)) {
	76
	77	surb->cb->offset =
	78	dev->response_alignment +
	79	((phdr->msgFlags >> 8) & 3);
	80
	81	/* sanity check */
	82	if (((int) phdr->msgLength +
	83	surb->cb->offset) > urb->actual_length) {
eb250942 MK	84	sms_err("invalid response "
	85	"msglen %d offset %d "
	86	"size %d",
	87	phdr->msgLength,
	88	surb->cb->offset,
	89	urb->actual_length);
2e5c1ec8 MK	90	goto exit_and_resubmit;
	91	}
	92
82237416 MK	93	/* move buffer pointer and
82237416 MK	94	* copy header to its new location */
55ad310c	95	memcpy((char *) phdr + surb->cb->offset,
18245e18	96	phdr, sizeof(struct SmsMsgHdr_ST));
82237416	97	} else
2e5c1ec8 MK	98	surb->cb->offset = 0;
	99
	100	smscore_onresponse(dev->coredev, surb->cb);
	101	surb->cb = NULL;
82237416	102	} else {
eb250942 MK	103	sms_err("invalid response "
	104	"msglen %d actual %d",
	105	phdr->msgLength, urb->actual_length);
2e5c1ec8 MK	106	}
	107	}
	108
	109	exit_and_resubmit:
	110	smsusb_submit_urb(dev, surb);
	111	}
	112
18245e18	113	int smsusb_submit_urb(struct smsusb_device_t dev, struct smsusb_urb_t surb)
2e5c1ec8	114	{
82237416	115	if (!surb->cb) {
2e5c1ec8	116	surb->cb = smscore_getbuffer(dev->coredev);
82237416	117	if (!surb->cb) {
eb250942	118	sms_err("smscore_getbuffer(...) returned NULL");
2e5c1ec8 MK	119	return -ENOMEM;
	120	}
	121	}
	122
	123	usb_fill_bulk_urb(
	124	&surb->urb,
	125	dev->udev,
	126	usb_rcvbulkpipe(dev->udev, 0x81),
	127	surb->cb->p,
	128	dev->buffer_size,
	129	smsusb_onresponse,
	130	surb
	131	);
	132	surb->urb.transfer_dma = surb->cb->phys;
	133	surb->urb.transfer_flags \|= URB_NO_TRANSFER_DMA_MAP;
	134
	135	return usb_submit_urb(&surb->urb, GFP_ATOMIC);
	136	}
	137
18245e18	138	void smsusb_stop_streaming(struct smsusb_device_t *dev)
2e5c1ec8 MK	139	{
	140	int i;
	141
fa830e8a	142	for (i = 0; i < MAX_URBS; i++) {
2e5c1ec8 MK	143	usb_kill_urb(&dev->surbs[i].urb);
2e5c1ec8 MK	144
82237416	145	if (dev->surbs[i].cb) {
2e5c1ec8 MK	146	smscore_putbuffer(dev->coredev, dev->surbs[i].cb);
	147	dev->surbs[i].cb = NULL;
	148	}
	149	}
	150	}
	151
18245e18	152	int smsusb_start_streaming(struct smsusb_device_t *dev)
2e5c1ec8 MK	153	{
	154	int i, rc;
	155
fa830e8a	156	for (i = 0; i < MAX_URBS; i++) {
2e5c1ec8	157	rc = smsusb_submit_urb(dev, &dev->surbs[i]);
82237416	158	if (rc < 0) {
eb250942	159	sms_err("smsusb_submit_urb(...) failed");
2e5c1ec8 MK	160	smsusb_stop_streaming(dev);
	161	break;
	162	}
	163	}
	164
	165	return rc;
	166	}
	167
	168	int smsusb_sendrequest(void context, void buffer, size_t size)
	169	{
18245e18	170	struct smsusb_device_t dev = (struct smsusb_device_t ) context;
2e5c1ec8 MK	171	int dummy;
2e5c1ec8 MK	172
82237416 MK	173	return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2),
82237416 MK	174	buffer, size, &dummy, 1000);
2e5c1ec8 MK	175	}
2e5c1ec8 MK	176
82237416	177	char *smsusb1_fw_lkup[] = {
2e5c1ec8 MK	178	"dvbt_stellar_usb.inp",
	179	"dvbh_stellar_usb.inp",
	180	"tdmb_stellar_usb.inp",
	181	"none",
	182	"dvbt_bda_stellar_usb.inp",
	183	};
	184
	185	int smsusb1_load_firmware(struct usb_device *udev, int id)
	186	{
	187	const struct firmware *fw;
a83ccdd6	188	u8 *fw_buffer;
2e5c1ec8 MK	189	int rc, dummy;
2e5c1ec8 MK	190
82237416	191	if (id < DEVICE_MODE_DVBT \|\| id > DEVICE_MODE_DVBT_BDA) {
eb250942	192	sms_err("invalid firmware id specified %d", id);
2e5c1ec8 MK	193	return -EINVAL;
	194	}
	195
	196	rc = request_firmware(&fw, smsusb1_fw_lkup[id], &udev->dev);
82237416	197	if (rc < 0) {
eb250942 MK	198	sms_err("failed to open \"%s\" mode %d",
eb250942 MK	199	smsusb1_fw_lkup[id], id);
2e5c1ec8 MK	200	return rc;
	201	}
	202
	203	fw_buffer = kmalloc(fw->size, GFP_KERNEL);
82237416	204	if (fw_buffer) {
2e5c1ec8 MK	205	memcpy(fw_buffer, fw->data, fw->size);
2e5c1ec8 MK	206
82237416 MK	207	rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2),
82237416 MK	208	fw_buffer, fw->size, &dummy, 1000);
2e5c1ec8	209
a0c0abcb	210	sms_info("sent %d(%d) bytes, rc %d", fw->size, dummy, rc);
2e5c1ec8 MK	211
2e5c1ec8 MK	212	kfree(fw_buffer);
82237416	213	} else {
eb250942	214	sms_err("failed to allocate firmware buffer");
2e5c1ec8 MK	215	rc = -ENOMEM;
	216	}
	217
	218	release_firmware(fw);
	219
	220	return rc;
	221	}
	222
	223	void smsusb1_detectmode(void context, int mode)
	224	{
18245e18 MK	225	char *product_string =
18245e18 MK	226	((struct smsusb_device_t *) context)->udev->product;
2e5c1ec8 MK	227
	228	*mode = DEVICE_MODE_NONE;
	229
82237416	230	if (!product_string) {
2e5c1ec8	231	product_string = "none";
a0c0abcb	232	sms_err("product string not found");
82237416 MK	233	} else if (strstr(product_string, "DVBH"))
	234	*mode = 1;
	235	else if (strstr(product_string, "BDA"))
	236	*mode = 4;
	237	else if (strstr(product_string, "DVBT"))
	238	*mode = 0;
	239	else if (strstr(product_string, "TDMB"))
	240	*mode = 2;
2e5c1ec8	241
a0c0abcb	242	sms_info("%d \"%s\"", *mode, product_string);
2e5c1ec8 MK	243	}
	244
	245	int smsusb1_setmode(void *context, int mode)
	246	{
18245e18 MK	247	struct SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK,
18245e18 MK	248	sizeof(struct SmsMsgHdr_ST), 0 };
2e5c1ec8	249
82237416	250	if (mode < DEVICE_MODE_DVBT \|\| mode > DEVICE_MODE_DVBT_BDA) {
eb250942	251	sms_err("invalid firmware id specified %d", mode);
2e5c1ec8 MK	252	return -EINVAL;
	253	}
	254
	255	return smsusb_sendrequest(context, &Msg, sizeof(Msg));
	256	}
	257
	258	void smsusb_term_device(struct usb_interface *intf)
	259	{
18245e18 MK	260	struct smsusb_device_t *dev =
18245e18 MK	261	(struct smsusb_device_t *) usb_get_intfdata(intf);
2e5c1ec8	262
82237416	263	if (dev) {
2e5c1ec8 MK	264	smsusb_stop_streaming(dev);
2e5c1ec8 MK	265
fa830e8a	266	/* unregister from smscore */
2e5c1ec8 MK	267	if (dev->coredev)
	268	smscore_unregister_device(dev->coredev);
	269
	270	kfree(dev);
	271
a0c0abcb	272	sms_info("device %p destroyed", dev);
2e5c1ec8 MK	273	}
	274
	275	usb_set_intfdata(intf, NULL);
	276	}
	277
1c11d546	278	int smsusb_init_device(struct usb_interface *intf, int board_id)
2e5c1ec8	279	{
18245e18 MK	280	struct smsdevice_params_t params;
18245e18 MK	281	struct smsusb_device_t *dev;
1c11d546	282	struct sms_board *board;
2e5c1ec8 MK	283	int i, rc;
2e5c1ec8 MK	284
fa830e8a	285	/* create device object */
18245e18	286	dev = kzalloc(sizeof(struct smsusb_device_t), GFP_KERNEL);
82237416	287	if (!dev) {
eb250942	288	sms_err("kzalloc(sizeof(struct smsusb_device_t) failed");
2e5c1ec8 MK	289	return -ENOMEM;
	290	}
	291
	292	memset(&params, 0, sizeof(params));
	293	usb_set_intfdata(intf, dev);
	294	dev->udev = interface_to_usbdev(intf);
	295
1c11d546 MK	296	board = sms_get_board(board_id);
	297
	298	switch (board->type) {
73104fb3	299
1c11d546	300	case SMS_STELLAR:
f17407a8 MK	301	dev->buffer_size = USB1_BUFFER_SIZE;
	302
	303	params.setmode_handler = smsusb1_setmode;
	304	params.detectmode_handler = smsusb1_detectmode;
	305	params.device_type = SMS_STELLAR;
a0c0abcb	306	sms_info("stellar device found");
f17407a8 MK	307	break;
f17407a8 MK	308	default:
1c11d546 MK	309	switch (board->type) {
1c11d546 MK	310	case SMS_NOVA_A0:
f17407a8	311	params.device_type = SMS_NOVA_A0;
a0c0abcb	312	sms_info("nova A0 found");
73104fb3	313	break;
1c11d546	314	case SMS_NOVA_B0:
f17407a8	315	params.device_type = SMS_NOVA_B0;
a0c0abcb	316	sms_info("nova B0 found");
73104fb3	317	break;
1c11d546	318	case SMS_VEGA:
f17407a8	319	params.device_type = SMS_VEGA;
a0c0abcb	320	sms_info("Vega found");
1c11d546 MK	321	break;
1c11d546 MK	322	default:
a0c0abcb	323	sms_err("Unspecified sms device type!");
f17407a8	324	}
2e5c1ec8	325
f17407a8	326	dev->buffer_size = USB2_BUFFER_SIZE;
82237416 MK	327	dev->response_alignment =
82237416 MK	328	dev->udev->ep_in[1]->desc.wMaxPacketSize -
18245e18	329	sizeof(struct SmsMsgHdr_ST);
2e5c1ec8	330
f17407a8 MK	331	params.flags \|= SMS_DEVICE_FAMILY2;
f17407a8 MK	332	break;
2e5c1ec8 MK	333	}
	334
	335	params.device = &dev->udev->dev;
	336	params.buffer_size = dev->buffer_size;
	337	params.num_buffers = MAX_BUFFERS;
	338	params.sendrequest_handler = smsusb_sendrequest;
	339	params.context = dev;
82237416 MK	340	snprintf(params.devpath, sizeof(params.devpath),
82237416 MK	341	"usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath);
2e5c1ec8	342
82237416	343	/* register in smscore */
2e5c1ec8	344	rc = smscore_register_device(&params, &dev->coredev);
82237416	345	if (rc < 0) {
eb250942	346	sms_err("smscore_register_device(...) failed, rc %d", rc);
2e5c1ec8 MK	347	smsusb_term_device(intf);
	348	return rc;
	349	}
	350
1c11d546 MK	351	smscore_set_board_id(dev->coredev, board_id);
1c11d546 MK	352
fa830e8a	353	/* initialize urbs */
82237416	354	for (i = 0; i < MAX_URBS; i++) {
2e5c1ec8 MK	355	dev->surbs[i].dev = dev;
	356	usb_init_urb(&dev->surbs[i].urb);
	357	}
	358
a0c0abcb	359	sms_info("smsusb_start_streaming(...).");
2e5c1ec8	360	rc = smsusb_start_streaming(dev);
82237416	361	if (rc < 0) {
eb250942	362	sms_err("smsusb_start_streaming(...) failed");
2e5c1ec8 MK	363	smsusb_term_device(intf);
	364	return rc;
	365	}
	366
	367	rc = smscore_start_device(dev->coredev);
82237416	368	if (rc < 0) {
eb250942	369	sms_err("smscore_start_device(...) failed");
2e5c1ec8 MK	370	smsusb_term_device(intf);
	371	return rc;
	372	}
	373
a0c0abcb	374	sms_info("device %p created", dev);
2e5c1ec8 MK	375
	376	return rc;
	377	}
	378
	379	int smsusb_probe(struct usb_interface intf, const struct usb_device_id id)
	380	{
	381	struct usb_device *udev = interface_to_usbdev(intf);
	382	char devpath[32];
	383	int i, rc;
	384
f17407a8 MK	385	rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
	386	rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));
	387
82237416	388	if (intf->num_altsetting > 0) {
59bf6b8e MK	389	rc = usb_set_interface(
59bf6b8e MK	390	udev, intf->cur_altsetting->desc.bInterfaceNumber, 0);
82237416	391	if (rc < 0) {
eb250942	392	sms_err("usb_set_interface failed, rc %d", rc);
2e5c1ec8 MK	393	return rc;
	394	}
	395	}
	396
a0c0abcb	397	sms_info("smsusb_probe %d",
82237416	398	intf->cur_altsetting->desc.bInterfaceNumber);
fa830e8a	399	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
a0c0abcb	400	sms_info("endpoint %d %02x %02x %d", i,
82237416 MK	401	intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
	402	intf->cur_altsetting->endpoint[i].desc.bmAttributes,
	403	intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
2e5c1ec8	404
82237416 MK	405	if ((udev->actconfig->desc.bNumInterfaces == 2) &&
82237416 MK	406	(intf->cur_altsetting->desc.bInterfaceNumber == 0)) {
eb250942	407	sms_err("rom interface 0 is not used");
2e5c1ec8 MK	408	return -ENODEV;
	409	}
	410
82237416 MK	411	if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
	412	snprintf(devpath, sizeof(devpath), "usb\\%d-%s",
	413	udev->bus->busnum, udev->devpath);
a0c0abcb	414	sms_info("stellar device was found.");
59bf6b8e MK	415	return smsusb1_load_firmware(
59bf6b8e MK	416	udev, smscore_registry_getmode(devpath));
2e5c1ec8 MK	417	}
2e5c1ec8 MK	418
1c11d546	419	rc = smsusb_init_device(intf, id->driver_info);
a0c0abcb	420	sms_info("rc %d", rc);
f17407a8	421	return rc;
2e5c1ec8 MK	422	}
	423
	424	void smsusb_disconnect(struct usb_interface *intf)
	425	{
	426	smsusb_term_device(intf);
	427	}
	428
	429	static struct usb_driver smsusb_driver = {
	430	.name = "smsusb",
	431	.probe = smsusb_probe,
82237416	432	.disconnect = smsusb_disconnect,
2e5c1ec8 MK	433	.id_table = smsusb_id_table,
	434	};
	435
eae55660	436	int smsusb_register(void)
2e5c1ec8 MK	437	{
	438	int rc = usb_register(&smsusb_driver);
	439	if (rc)
eb250942	440	sms_err("usb_register failed. Error number %d", rc);
2e5c1ec8	441
a0c0abcb	442	sms_debug("");
2e5c1ec8 MK	443
	444	return rc;
	445	}
	446
eae55660	447	void smsusb_unregister(void)
2e5c1ec8	448	{
a0c0abcb	449	sms_debug("");
3dd24378	450	/* Regular USB Cleanup */
2e5c1ec8	451	usb_deregister(&smsusb_driver);
2e5c1ec8 MK	452	}
2e5c1ec8 MK	453