[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_info("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_info("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_info("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_info("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_info("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_info("invalid firmware id specified %d", id);
		return -EINVAL;
	}

	rc = request_firmware(&fw, smsusb1_fw_lkup[id], &udev->dev);
	if (rc < 0) {
		sms_info("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_info("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_info("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_info("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_info("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_info("smsusb_start_streaming(...) failed");
		smsusb_term_device(intf);
		return rc;
	}

	rc = smscore_start_device(dev->coredev);
	if (rc < 0) {
		sms_info("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_info("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_info("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_info("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) {
a0c0abcb MK	63	sms_info("error, urb status %d, %d bytes",
a0c0abcb 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) {
a0c0abcb	84	sms_info("invalid response "
068d6c0f	85	"msglen %d offset %d "
a0c0abcb	86	"size %d",
068d6c0f MK	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 {
a0c0abcb MK	103	sms_info("invalid response "
a0c0abcb MK	104	"msglen %d actual %d",
068d6c0f	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) {
a0c0abcb MK	118	sms_info("smscore_getbuffer(...) "
a0c0abcb MK	119	"returned NULL");
2e5c1ec8 MK	120	return -ENOMEM;
	121	}
	122	}
	123
	124	usb_fill_bulk_urb(
	125	&surb->urb,
	126	dev->udev,
	127	usb_rcvbulkpipe(dev->udev, 0x81),
	128	surb->cb->p,
	129	dev->buffer_size,
	130	smsusb_onresponse,
	131	surb
	132	);
	133	surb->urb.transfer_dma = surb->cb->phys;
	134	surb->urb.transfer_flags \|= URB_NO_TRANSFER_DMA_MAP;
	135
	136	return usb_submit_urb(&surb->urb, GFP_ATOMIC);
	137	}
	138
18245e18	139	void smsusb_stop_streaming(struct smsusb_device_t *dev)
2e5c1ec8 MK	140	{
	141	int i;
	142
fa830e8a	143	for (i = 0; i < MAX_URBS; i++) {
2e5c1ec8 MK	144	usb_kill_urb(&dev->surbs[i].urb);
2e5c1ec8 MK	145
82237416	146	if (dev->surbs[i].cb) {
2e5c1ec8 MK	147	smscore_putbuffer(dev->coredev, dev->surbs[i].cb);
	148	dev->surbs[i].cb = NULL;
	149	}
	150	}
	151	}
	152
18245e18	153	int smsusb_start_streaming(struct smsusb_device_t *dev)
2e5c1ec8 MK	154	{
	155	int i, rc;
	156
fa830e8a	157	for (i = 0; i < MAX_URBS; i++) {
2e5c1ec8	158	rc = smsusb_submit_urb(dev, &dev->surbs[i]);
82237416	159	if (rc < 0) {
a0c0abcb MK	160	sms_info("smsusb_submit_urb(...) "
a0c0abcb MK	161	"failed");
2e5c1ec8 MK	162	smsusb_stop_streaming(dev);
	163	break;
	164	}
	165	}
	166
	167	return rc;
	168	}
	169
	170	int smsusb_sendrequest(void context, void buffer, size_t size)
	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
82237416	179	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
	187	int smsusb1_load_firmware(struct usb_device *udev, int id)
	188	{
	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) {
a0c0abcb	194	sms_info("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) {
a0c0abcb MK	200	sms_info("failed to open \"%s\" mode %d",
a0c0abcb 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
a0c0abcb	212	sms_info("sent %d(%d) bytes, rc %d", fw->size, dummy, rc);
2e5c1ec8 MK	213
2e5c1ec8 MK	214	kfree(fw_buffer);
82237416	215	} else {
a0c0abcb	216	sms_info("failed to allocate firmware buffer");
2e5c1ec8 MK	217	rc = -ENOMEM;
	218	}
	219
	220	release_firmware(fw);
	221
	222	return rc;
	223	}
	224
	225	void smsusb1_detectmode(void context, int mode)
	226	{
18245e18 MK	227	char *product_string =
18245e18 MK	228	((struct smsusb_device_t *) context)->udev->product;
2e5c1ec8 MK	229
	230	*mode = DEVICE_MODE_NONE;
	231
82237416	232	if (!product_string) {
2e5c1ec8	233	product_string = "none";
a0c0abcb	234	sms_err("product string not found");
82237416 MK	235	} else if (strstr(product_string, "DVBH"))
	236	*mode = 1;
	237	else if (strstr(product_string, "BDA"))
	238	*mode = 4;
	239	else if (strstr(product_string, "DVBT"))
	240	*mode = 0;
	241	else if (strstr(product_string, "TDMB"))
	242	*mode = 2;
2e5c1ec8	243
a0c0abcb	244	sms_info("%d \"%s\"", *mode, product_string);
2e5c1ec8 MK	245	}
	246
	247	int smsusb1_setmode(void *context, int mode)
	248	{
18245e18 MK	249	struct SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK,
18245e18 MK	250	sizeof(struct SmsMsgHdr_ST), 0 };
2e5c1ec8	251
82237416	252	if (mode < DEVICE_MODE_DVBT \|\| mode > DEVICE_MODE_DVBT_BDA) {
a0c0abcb	253	sms_info("invalid firmware id specified %d", mode);
2e5c1ec8 MK	254	return -EINVAL;
	255	}
	256
	257	return smsusb_sendrequest(context, &Msg, sizeof(Msg));
	258	}
	259
	260	void smsusb_term_device(struct usb_interface *intf)
	261	{
18245e18 MK	262	struct smsusb_device_t *dev =
18245e18 MK	263	(struct smsusb_device_t *) usb_get_intfdata(intf);
2e5c1ec8	264
82237416	265	if (dev) {
2e5c1ec8 MK	266	smsusb_stop_streaming(dev);
2e5c1ec8 MK	267
fa830e8a	268	/* unregister from smscore */
2e5c1ec8 MK	269	if (dev->coredev)
	270	smscore_unregister_device(dev->coredev);
	271
	272	kfree(dev);
	273
a0c0abcb	274	sms_info("device %p destroyed", dev);
2e5c1ec8 MK	275	}
	276
	277	usb_set_intfdata(intf, NULL);
	278	}
	279
1c11d546	280	int smsusb_init_device(struct usb_interface *intf, int board_id)
2e5c1ec8	281	{
18245e18 MK	282	struct smsdevice_params_t params;
18245e18 MK	283	struct smsusb_device_t *dev;
1c11d546	284	struct sms_board *board;
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) {
a0c0abcb MK	290	sms_info("kzalloc(sizeof(struct smsusb_device_t) "
a0c0abcb MK	291	"failed");
2e5c1ec8 MK	292	return -ENOMEM;
	293	}
	294
	295	memset(&params, 0, sizeof(params));
	296	usb_set_intfdata(intf, dev);
	297	dev->udev = interface_to_usbdev(intf);
	298
1c11d546 MK	299	board = sms_get_board(board_id);
	300
	301	switch (board->type) {
73104fb3	302
1c11d546	303	case SMS_STELLAR:
f17407a8 MK	304	dev->buffer_size = USB1_BUFFER_SIZE;
	305
	306	params.setmode_handler = smsusb1_setmode;
	307	params.detectmode_handler = smsusb1_detectmode;
	308	params.device_type = SMS_STELLAR;
a0c0abcb	309	sms_info("stellar device found");
f17407a8 MK	310	break;
f17407a8 MK	311	default:
1c11d546 MK	312	switch (board->type) {
1c11d546 MK	313	case SMS_NOVA_A0:
f17407a8	314	params.device_type = SMS_NOVA_A0;
a0c0abcb	315	sms_info("nova A0 found");
73104fb3	316	break;
1c11d546	317	case SMS_NOVA_B0:
f17407a8	318	params.device_type = SMS_NOVA_B0;
a0c0abcb	319	sms_info("nova B0 found");
73104fb3	320	break;
1c11d546	321	case SMS_VEGA:
f17407a8	322	params.device_type = SMS_VEGA;
a0c0abcb	323	sms_info("Vega found");
1c11d546 MK	324	break;
1c11d546 MK	325	default:
a0c0abcb	326	sms_err("Unspecified sms device type!");
f17407a8	327	}
2e5c1ec8	328
f17407a8	329	dev->buffer_size = USB2_BUFFER_SIZE;
82237416 MK	330	dev->response_alignment =
82237416 MK	331	dev->udev->ep_in[1]->desc.wMaxPacketSize -
18245e18	332	sizeof(struct SmsMsgHdr_ST);
2e5c1ec8	333
f17407a8 MK	334	params.flags \|= SMS_DEVICE_FAMILY2;
f17407a8 MK	335	break;
2e5c1ec8 MK	336	}
	337
	338	params.device = &dev->udev->dev;
	339	params.buffer_size = dev->buffer_size;
	340	params.num_buffers = MAX_BUFFERS;
	341	params.sendrequest_handler = smsusb_sendrequest;
	342	params.context = dev;
82237416 MK	343	snprintf(params.devpath, sizeof(params.devpath),
82237416 MK	344	"usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath);
2e5c1ec8	345
82237416	346	/* register in smscore */
2e5c1ec8	347	rc = smscore_register_device(&params, &dev->coredev);
82237416	348	if (rc < 0) {
a0c0abcb MK	349	sms_info("smscore_register_device(...) failed, "
a0c0abcb MK	350	"rc %d", rc);
2e5c1ec8 MK	351	smsusb_term_device(intf);
	352	return rc;
	353	}
	354
1c11d546 MK	355	smscore_set_board_id(dev->coredev, board_id);
1c11d546 MK	356
fa830e8a	357	/* initialize urbs */
82237416	358	for (i = 0; i < MAX_URBS; i++) {
2e5c1ec8 MK	359	dev->surbs[i].dev = dev;
	360	usb_init_urb(&dev->surbs[i].urb);
	361	}
	362
a0c0abcb	363	sms_info("smsusb_start_streaming(...).");
2e5c1ec8	364	rc = smsusb_start_streaming(dev);
82237416	365	if (rc < 0) {
a0c0abcb	366	sms_info("smsusb_start_streaming(...) failed");
2e5c1ec8 MK	367	smsusb_term_device(intf);
	368	return rc;
	369	}
	370
	371	rc = smscore_start_device(dev->coredev);
82237416	372	if (rc < 0) {
a0c0abcb	373	sms_info("smscore_start_device(...) failed");
2e5c1ec8 MK	374	smsusb_term_device(intf);
	375	return rc;
	376	}
	377
a0c0abcb	378	sms_info("device %p created", dev);
2e5c1ec8 MK	379
	380	return rc;
	381	}
	382
	383	int smsusb_probe(struct usb_interface intf, const struct usb_device_id id)
	384	{
	385	struct usb_device *udev = interface_to_usbdev(intf);
	386	char devpath[32];
	387	int i, rc;
	388
f17407a8 MK	389	rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
	390	rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));
	391
82237416	392	if (intf->num_altsetting > 0) {
59bf6b8e MK	393	rc = usb_set_interface(
59bf6b8e MK	394	udev, intf->cur_altsetting->desc.bInterfaceNumber, 0);
82237416	395	if (rc < 0) {
a0c0abcb MK	396	sms_info("usb_set_interface failed, "
a0c0abcb MK	397	"rc %d", rc);
2e5c1ec8 MK	398	return rc;
	399	}
	400	}
	401
a0c0abcb	402	sms_info("smsusb_probe %d",
82237416	403	intf->cur_altsetting->desc.bInterfaceNumber);
fa830e8a	404	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
a0c0abcb	405	sms_info("endpoint %d %02x %02x %d", i,
82237416 MK	406	intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
	407	intf->cur_altsetting->endpoint[i].desc.bmAttributes,
	408	intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
2e5c1ec8	409
82237416 MK	410	if ((udev->actconfig->desc.bNumInterfaces == 2) &&
82237416 MK	411	(intf->cur_altsetting->desc.bInterfaceNumber == 0)) {
a0c0abcb	412	sms_info("rom interface 0 is not used");
2e5c1ec8 MK	413	return -ENODEV;
	414	}
	415
82237416 MK	416	if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
	417	snprintf(devpath, sizeof(devpath), "usb\\%d-%s",
	418	udev->bus->busnum, udev->devpath);
a0c0abcb	419	sms_info("stellar device was found.");
59bf6b8e MK	420	return smsusb1_load_firmware(
59bf6b8e MK	421	udev, smscore_registry_getmode(devpath));
2e5c1ec8 MK	422	}
2e5c1ec8 MK	423
1c11d546	424	rc = smsusb_init_device(intf, id->driver_info);
a0c0abcb	425	sms_info("rc %d", rc);
f17407a8	426	return rc;
2e5c1ec8 MK	427	}
	428
	429	void smsusb_disconnect(struct usb_interface *intf)
	430	{
	431	smsusb_term_device(intf);
	432	}
	433
	434	static struct usb_driver smsusb_driver = {
	435	.name = "smsusb",
	436	.probe = smsusb_probe,
82237416	437	.disconnect = smsusb_disconnect,
2e5c1ec8 MK	438	.id_table = smsusb_id_table,
	439	};
	440
eae55660	441	int smsusb_register(void)
2e5c1ec8 MK	442	{
	443	int rc = usb_register(&smsusb_driver);
	444	if (rc)
a0c0abcb	445	sms_info("usb_register failed. Error number %d", rc);
2e5c1ec8	446
a0c0abcb	447	sms_debug("");
2e5c1ec8 MK	448
	449	return rc;
	450	}
	451
eae55660	452	void smsusb_unregister(void)
2e5c1ec8	453	{
a0c0abcb	454	sms_debug("");
3dd24378	455	/* Regular USB Cleanup */
2e5c1ec8	456	usb_deregister(&smsusb_driver);
2e5c1ec8 MK	457	}
2e5c1ec8 MK	458