[deliverable/linux.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"

#define USB1_BUFFER_SIZE		0x1000
#define USB2_BUFFER_SIZE		0x4000

#define MAX_BUFFERS		50
#define MAX_URBS		10

/* TO DO: move these to a header file */
#define USB_VID_SIANO 0x187f

#define USB_PID_STELLAR 0x0100
#define USB_PID_NOVA_A 0x0200
#define USB_PID_NOVA_B 0x0201
#define USB_PID_VEGA 0x0300

typedef struct _smsusb_device smsusb_device_t;

typedef struct _smsusb_urb
{
	smscore_buffer_t *cb;
	smsusb_device_t	*dev;

	struct urb		urb;
} smsusb_urb_t;

typedef struct _smsusb_device
{
	struct usb_device *udev;
	smscore_device_t *coredev;

	smsusb_urb_t 	surbs[MAX_URBS];

	int		response_alignment;
	int		buffer_size;
} *psmsusb_device_t;

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

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

	if (urb->status < 0) {
		printk(KERN_INFO "%s error, urb status %d, %d bytes\n",
		       __func__, urb->status, urb->actual_length);
		return;
	}

	if (urb->actual_length > 0) {
		SmsMsgHdr_ST *phdr = (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) {
					printk(KERN_INFO "%s: invalid "
					       "response msglen %d offset %d "
					       "size %d\n", __func__,
					       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(SmsMsgHdr_ST));
			} else
				surb->cb->offset = 0;

			smscore_onresponse(dev->coredev, surb->cb);
			surb->cb = NULL;
		} else {
			printk(KERN_INFO "%s invalid response "
			       "msglen %d actual %d\n", __func__,
			       phdr->msgLength, urb->actual_length);
		}
	}

exit_and_resubmit:
	smsusb_submit_urb(dev, surb);
}

int smsusb_submit_urb(smsusb_device_t *dev, smsusb_urb_t *surb)
{
	if (!surb->cb) {
		surb->cb = smscore_getbuffer(dev->coredev);
		if (!surb->cb) {
			printk(KERN_INFO "%s smscore_getbuffer(...) "
			       "returned NULL\n", __func__);
			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(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(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) {
			printk(KERN_INFO "%s smsusb_submit_urb(...) "
			       "failed\n", __func__);
			smsusb_stop_streaming(dev);
			break;
		}
	}

	return rc;
}

int smsusb_sendrequest(void *context, void *buffer, size_t size)
{
	smsusb_device_t *dev = (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) {
		printk(KERN_INFO "%s invalid firmware id specified %d\n",
		       __func__, id);
		return -EINVAL;
	}

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

		printk(KERN_INFO "%s: sent %d(%d) bytes, rc %d\n",
		       __func__, fw->size, dummy, rc);

		kfree(fw_buffer);
	} else {
		printk(KERN_INFO "failed to allocate firmware buffer\n");
		rc = -ENOMEM;
	}

	release_firmware(fw);

	return rc;
}

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

	*mode = DEVICE_MODE_NONE;

	if (!product_string) {
		product_string = "none";
		printk(KERN_ERR "%s product string not found\n", __func__);
	} 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;

	printk(KERN_INFO "%s: %d \"%s\"\n", __func__, *mode, product_string);
}

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

	if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) {
		printk(KERN_INFO "%s invalid firmware id specified %d\n",
		       __func__, mode);
		return -EINVAL;
	}

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

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

		printk(KERN_INFO "%s device %p destroyed\n", __func__, dev);
	}

	usb_set_intfdata(intf, NULL);
}

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

	/* create device object */
	dev = kzalloc(sizeof(smsusb_device_t), GFP_KERNEL);
	if (!dev) {
		printk(KERN_INFO "%s kzalloc(sizeof(smsusb_device_t) failed\n",
		       __func__);
		return -ENOMEM;
	}

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

	switch (dev->udev->descriptor.idProduct) {

	case USB_PID_STELLAR:
		dev->buffer_size = USB1_BUFFER_SIZE;

		params.setmode_handler = smsusb1_setmode;
		params.detectmode_handler = smsusb1_detectmode;
		params.device_type = SMS_STELLAR;
		printk(KERN_INFO "%s stellar device found\n", __func__);
		break;
	default:
		switch (dev->udev->descriptor.idProduct) {
		case USB_PID_NOVA_A:
			params.device_type = SMS_NOVA_A0;
			printk(KERN_INFO "%s nova A0 found\n", __func__);
			break;
		default:
		case USB_PID_NOVA_B:
			params.device_type = SMS_NOVA_B0;
			printk(KERN_INFO "%s nova B0 found\n", __func__);
			break;
		case USB_PID_VEGA:
			params.device_type = SMS_VEGA;
			printk(KERN_INFO "%s Vega found\n", __func__);
		}

		dev->buffer_size = USB2_BUFFER_SIZE;
		dev->response_alignment =
			dev->udev->ep_in[1]->desc.wMaxPacketSize -
			sizeof(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) {
		printk(KERN_INFO "%s smscore_register_device(...) failed, "
		       "rc %d\n", __func__, rc);
		smsusb_term_device(intf);
		return rc;
	}

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

	printk(KERN_INFO "%s smsusb_start_streaming(...).\n", __func__);
	rc = smsusb_start_streaming(dev);
	if (rc < 0) {
		printk(KERN_INFO "%s smsusb_start_streaming(...) failed\n",
		       __func__);
		smsusb_term_device(intf);
		return rc;
	}

	rc = smscore_start_device(dev->coredev);
	if (rc < 0) {
		printk(KERN_INFO "%s smscore_start_device(...) failed\n",
		       __func__);
		smsusb_term_device(intf);
		return rc;
	}

	printk(KERN_INFO "%s device %p created\n", __func__, 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) {
			printk(KERN_INFO "%s usb_set_interface failed, "
			       "rc %d\n", __func__, rc);
			return rc;
		}
	}

	printk(KERN_INFO "smsusb_probe %d\n",
	       intf->cur_altsetting->desc.bInterfaceNumber);
	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
		printk(KERN_INFO "endpoint %d %02x %02x %d\n", 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)) {
		printk(KERN_INFO "rom interface 0 is not used\n");
		return -ENODEV;
	}

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

	rc = smsusb_init_device(intf);
	printk(KERN_INFO  "%s  rc %d\n", __func__, rc);
	return rc;
}

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

static struct usb_device_id smsusb_id_table [] = {
	{ USB_DEVICE(USB_VID_SIANO, 0x0010) },
	{ USB_DEVICE(USB_VID_SIANO, USB_PID_STELLAR) },
	{ USB_DEVICE(USB_VID_SIANO, USB_PID_NOVA_A) },
	{ }		/* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, smsusb_id_table);

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)
		printk(KERN_INFO "usb_register failed. Error number %d\n", rc);

	printk(KERN_INFO "%s\n", __func__);

	return rc;
}

void smsusb_unregister(void)
{
	/* Regular USB Cleanup */
	usb_deregister(&smsusb_driver);
	printk(KERN_INFO "%s\n", __func__);
}
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"
2e5c1ec8	28
2e5c1ec8 MK	29	#define USB1_BUFFER_SIZE 0x1000
	30	#define USB2_BUFFER_SIZE 0x4000
	31
	32	#define MAX_BUFFERS 50
	33	#define MAX_URBS 10
	34
73104fb3 MK	35	/* TO DO: move these to a header file */
	36	#define USB_VID_SIANO 0x187f
	37
	38	#define USB_PID_STELLAR 0x0100
	39	#define USB_PID_NOVA_A 0x0200
	40	#define USB_PID_NOVA_B 0x0201
	41	#define USB_PID_VEGA 0x0300
	42
2e5c1ec8 MK	43	typedef struct _smsusb_device smsusb_device_t;
	44
	45	typedef struct _smsusb_urb
	46	{
	47	smscore_buffer_t *cb;
	48	smsusb_device_t *dev;
	49
	50	struct urb urb;
	51	} smsusb_urb_t;
	52
	53	typedef struct _smsusb_device
	54	{
a83ccdd6	55	struct usb_device *udev;
2e5c1ec8 MK	56	smscore_device_t *coredev;
	57
	58	smsusb_urb_t surbs[MAX_URBS];
	59
82237416 MK	60	int response_alignment;
82237416 MK	61	int buffer_size;
2e5c1ec8 MK	62	} *psmsusb_device_t;
2e5c1ec8 MK	63
a83ccdd6	64	int smsusb_submit_urb(smsusb_device_t dev, smsusb_urb_t surb);
2e5c1ec8 MK	65
	66	void smsusb_onresponse(struct urb *urb)
	67	{
	68	smsusb_urb_t surb = (smsusb_urb_t ) urb->context;
	69	smsusb_device_t *dev = surb->dev;
	70
82237416 MK	71	if (urb->status < 0) {
	72	printk(KERN_INFO "%s error, urb status %d, %d bytes\n",
	73	__func__, urb->status, urb->actual_length);
2e5c1ec8 MK	74	return;
	75	}
	76
82237416	77	if (urb->actual_length > 0) {
2e5c1ec8 MK	78	SmsMsgHdr_ST phdr = (SmsMsgHdr_ST ) surb->cb->p;
2e5c1ec8 MK	79
82237416	80	if (urb->actual_length >= phdr->msgLength) {
2e5c1ec8 MK	81	surb->cb->size = phdr->msgLength;
2e5c1ec8 MK	82
82237416 MK	83	if (dev->response_alignment &&
	84	(phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG)) {
	85
	86	surb->cb->offset =
	87	dev->response_alignment +
	88	((phdr->msgFlags >> 8) & 3);
	89
	90	/* sanity check */
	91	if (((int) phdr->msgLength +
	92	surb->cb->offset) > urb->actual_length) {
	93	printk(KERN_INFO "%s: invalid "
	94	"response msglen %d offset %d "
	95	"size %d\n", __func__,
	96	phdr->msgLength,
	97	surb->cb->offset,
	98	urb->actual_length);
2e5c1ec8 MK	99	goto exit_and_resubmit;
	100	}
	101
82237416 MK	102	/* move buffer pointer and
82237416 MK	103	* copy header to its new location */
55ad310c MK	104	memcpy((char *) phdr + surb->cb->offset,
55ad310c MK	105	phdr, sizeof(SmsMsgHdr_ST));
82237416	106	} else
2e5c1ec8 MK	107	surb->cb->offset = 0;
	108
	109	smscore_onresponse(dev->coredev, surb->cb);
	110	surb->cb = NULL;
82237416 MK	111	} else {
	112	printk(KERN_INFO "%s invalid response "
	113	"msglen %d actual %d\n", __func__,
	114	phdr->msgLength, urb->actual_length);
2e5c1ec8 MK	115	}
	116	}
	117
	118	exit_and_resubmit:
	119	smsusb_submit_urb(dev, surb);
	120	}
	121
a83ccdd6	122	int smsusb_submit_urb(smsusb_device_t dev, smsusb_urb_t surb)
2e5c1ec8	123	{
82237416	124	if (!surb->cb) {
2e5c1ec8	125	surb->cb = smscore_getbuffer(dev->coredev);
82237416 MK	126	if (!surb->cb) {
	127	printk(KERN_INFO "%s smscore_getbuffer(...) "
	128	"returned NULL\n", __func__);
2e5c1ec8 MK	129	return -ENOMEM;
	130	}
	131	}
	132
	133	usb_fill_bulk_urb(
	134	&surb->urb,
	135	dev->udev,
	136	usb_rcvbulkpipe(dev->udev, 0x81),
	137	surb->cb->p,
	138	dev->buffer_size,
	139	smsusb_onresponse,
	140	surb
	141	);
	142	surb->urb.transfer_dma = surb->cb->phys;
	143	surb->urb.transfer_flags \|= URB_NO_TRANSFER_DMA_MAP;
	144
	145	return usb_submit_urb(&surb->urb, GFP_ATOMIC);
	146	}
	147
a83ccdd6	148	void smsusb_stop_streaming(smsusb_device_t *dev)
2e5c1ec8 MK	149	{
	150	int i;
	151
fa830e8a	152	for (i = 0; i < MAX_URBS; i++) {
2e5c1ec8 MK	153	usb_kill_urb(&dev->surbs[i].urb);
2e5c1ec8 MK	154
82237416	155	if (dev->surbs[i].cb) {
2e5c1ec8 MK	156	smscore_putbuffer(dev->coredev, dev->surbs[i].cb);
	157	dev->surbs[i].cb = NULL;
	158	}
	159	}
	160	}
	161
a83ccdd6	162	int smsusb_start_streaming(smsusb_device_t *dev)
2e5c1ec8 MK	163	{
	164	int i, rc;
	165
fa830e8a	166	for (i = 0; i < MAX_URBS; i++) {
2e5c1ec8	167	rc = smsusb_submit_urb(dev, &dev->surbs[i]);
82237416 MK	168	if (rc < 0) {
	169	printk(KERN_INFO "%s smsusb_submit_urb(...) "
	170	"failed\n", __func__);
2e5c1ec8 MK	171	smsusb_stop_streaming(dev);
	172	break;
	173	}
	174	}
	175
	176	return rc;
	177	}
	178
	179	int smsusb_sendrequest(void context, void buffer, size_t size)
	180	{
a83ccdd6	181	smsusb_device_t dev = (smsusb_device_t ) context;
2e5c1ec8 MK	182	int dummy;
2e5c1ec8 MK	183
82237416 MK	184	return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2),
82237416 MK	185	buffer, size, &dummy, 1000);
2e5c1ec8 MK	186	}
2e5c1ec8 MK	187
82237416	188	char *smsusb1_fw_lkup[] = {
2e5c1ec8 MK	189	"dvbt_stellar_usb.inp",
	190	"dvbh_stellar_usb.inp",
	191	"tdmb_stellar_usb.inp",
	192	"none",
	193	"dvbt_bda_stellar_usb.inp",
	194	};
	195
	196	int smsusb1_load_firmware(struct usb_device *udev, int id)
	197	{
	198	const struct firmware *fw;
a83ccdd6	199	u8 *fw_buffer;
2e5c1ec8 MK	200	int rc, dummy;
2e5c1ec8 MK	201
82237416 MK	202	if (id < DEVICE_MODE_DVBT \|\| id > DEVICE_MODE_DVBT_BDA) {
	203	printk(KERN_INFO "%s invalid firmware id specified %d\n",
	204	__func__, id);
2e5c1ec8 MK	205	return -EINVAL;
	206	}
	207
	208	rc = request_firmware(&fw, smsusb1_fw_lkup[id], &udev->dev);
82237416 MK	209	if (rc < 0) {
	210	printk(KERN_INFO "%s failed to open \"%s\" mode %d\n",
	211	__func__, smsusb1_fw_lkup[id], id);
2e5c1ec8 MK	212	return rc;
	213	}
	214
	215	fw_buffer = kmalloc(fw->size, GFP_KERNEL);
82237416	216	if (fw_buffer) {
2e5c1ec8 MK	217	memcpy(fw_buffer, fw->data, fw->size);
2e5c1ec8 MK	218
82237416 MK	219	rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2),
82237416 MK	220	fw_buffer, fw->size, &dummy, 1000);
2e5c1ec8	221
82237416 MK	222	printk(KERN_INFO "%s: sent %d(%d) bytes, rc %d\n",
82237416 MK	223	__func__, fw->size, dummy, rc);
2e5c1ec8 MK	224
2e5c1ec8 MK	225	kfree(fw_buffer);
82237416	226	} else {
2e5c1ec8 MK	227	printk(KERN_INFO "failed to allocate firmware buffer\n");
	228	rc = -ENOMEM;
	229	}
	230
	231	release_firmware(fw);
	232
	233	return rc;
	234	}
	235
	236	void smsusb1_detectmode(void context, int mode)
	237	{
	238	char product_string = ((smsusb_device_t ) context)->udev->product;
	239
	240	*mode = DEVICE_MODE_NONE;
	241
82237416	242	if (!product_string) {
2e5c1ec8	243	product_string = "none";
9f211397	244	printk(KERN_ERR "%s product string not found\n", __func__);
82237416 MK	245	} else if (strstr(product_string, "DVBH"))
	246	*mode = 1;
	247	else if (strstr(product_string, "BDA"))
	248	*mode = 4;
	249	else if (strstr(product_string, "DVBT"))
	250	*mode = 0;
	251	else if (strstr(product_string, "TDMB"))
	252	*mode = 2;
2e5c1ec8	253
9f211397	254	printk(KERN_INFO "%s: %d \"%s\"\n", __func__, *mode, product_string);
2e5c1ec8 MK	255	}
	256
	257	int smsusb1_setmode(void *context, int mode)
	258	{
82237416 MK	259	SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK,
82237416 MK	260	sizeof(SmsMsgHdr_ST), 0 };
2e5c1ec8	261
82237416 MK	262	if (mode < DEVICE_MODE_DVBT \|\| mode > DEVICE_MODE_DVBT_BDA) {
	263	printk(KERN_INFO "%s invalid firmware id specified %d\n",
	264	__func__, mode);
2e5c1ec8 MK	265	return -EINVAL;
	266	}
	267
	268	return smsusb_sendrequest(context, &Msg, sizeof(Msg));
	269	}
	270
	271	void smsusb_term_device(struct usb_interface *intf)
	272	{
55ad310c	273	smsusb_device_t dev = (smsusb_device_t ) usb_get_intfdata(intf);
2e5c1ec8	274
82237416	275	if (dev) {
2e5c1ec8 MK	276	smsusb_stop_streaming(dev);
2e5c1ec8 MK	277
fa830e8a	278	/* unregister from smscore */
2e5c1ec8 MK	279	if (dev->coredev)
	280	smscore_unregister_device(dev->coredev);
	281
	282	kfree(dev);
	283
18658117	284	printk(KERN_INFO "%s device %p destroyed\n", __func__, dev);
2e5c1ec8 MK	285	}
	286
	287	usb_set_intfdata(intf, NULL);
	288	}
	289
	290	int smsusb_init_device(struct usb_interface *intf)
	291	{
	292	smsdevice_params_t params;
a83ccdd6	293	smsusb_device_t *dev;
2e5c1ec8 MK	294	int i, rc;
2e5c1ec8 MK	295
fa830e8a	296	/* create device object */
2e5c1ec8	297	dev = kzalloc(sizeof(smsusb_device_t), GFP_KERNEL);
82237416 MK	298	if (!dev) {
	299	printk(KERN_INFO "%s kzalloc(sizeof(smsusb_device_t) failed\n",
	300	__func__);
2e5c1ec8 MK	301	return -ENOMEM;
	302	}
	303
	304	memset(&params, 0, sizeof(params));
	305	usb_set_intfdata(intf, dev);
	306	dev->udev = interface_to_usbdev(intf);
	307
f17407a8	308	switch (dev->udev->descriptor.idProduct) {
73104fb3 MK	309
73104fb3 MK	310	case USB_PID_STELLAR:
f17407a8 MK	311	dev->buffer_size = USB1_BUFFER_SIZE;
	312
	313	params.setmode_handler = smsusb1_setmode;
	314	params.detectmode_handler = smsusb1_detectmode;
	315	params.device_type = SMS_STELLAR;
fa830e8a	316	printk(KERN_INFO "%s stellar device found\n", __func__);
f17407a8 MK	317	break;
f17407a8 MK	318	default:
73104fb3 MK	319	switch (dev->udev->descriptor.idProduct) {
73104fb3 MK	320	case USB_PID_NOVA_A:
f17407a8	321	params.device_type = SMS_NOVA_A0;
fa830e8a	322	printk(KERN_INFO "%s nova A0 found\n", __func__);
73104fb3 MK	323	break;
	324	default:
	325	case USB_PID_NOVA_B:
f17407a8	326	params.device_type = SMS_NOVA_B0;
494d24c5	327	printk(KERN_INFO "%s nova B0 found\n", __func__);
73104fb3 MK	328	break;
73104fb3 MK	329	case USB_PID_VEGA:
f17407a8	330	params.device_type = SMS_VEGA;
494d24c5	331	printk(KERN_INFO "%s Vega found\n", __func__);
f17407a8	332	}
2e5c1ec8	333
f17407a8	334	dev->buffer_size = USB2_BUFFER_SIZE;
82237416 MK	335	dev->response_alignment =
	336	dev->udev->ep_in[1]->desc.wMaxPacketSize -
	337	sizeof(SmsMsgHdr_ST);
2e5c1ec8	338
f17407a8 MK	339	params.flags \|= SMS_DEVICE_FAMILY2;
f17407a8 MK	340	break;
2e5c1ec8 MK	341	}
	342
	343	params.device = &dev->udev->dev;
	344	params.buffer_size = dev->buffer_size;
	345	params.num_buffers = MAX_BUFFERS;
	346	params.sendrequest_handler = smsusb_sendrequest;
	347	params.context = dev;
82237416 MK	348	snprintf(params.devpath, sizeof(params.devpath),
82237416 MK	349	"usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath);
2e5c1ec8	350
82237416	351	/* register in smscore */
2e5c1ec8	352	rc = smscore_register_device(&params, &dev->coredev);
82237416 MK	353	if (rc < 0) {
	354	printk(KERN_INFO "%s smscore_register_device(...) failed, "
	355	"rc %d\n", __func__, rc);
2e5c1ec8 MK	356	smsusb_term_device(intf);
	357	return rc;
	358	}
	359
fa830e8a	360	/* initialize urbs */
82237416	361	for (i = 0; i < MAX_URBS; i++) {
2e5c1ec8 MK	362	dev->surbs[i].dev = dev;
	363	usb_init_urb(&dev->surbs[i].urb);
	364	}
	365
f17407a8	366	printk(KERN_INFO "%s smsusb_start_streaming(...).\n", __func__);
2e5c1ec8	367	rc = smsusb_start_streaming(dev);
82237416 MK	368	if (rc < 0) {
	369	printk(KERN_INFO "%s smsusb_start_streaming(...) failed\n",
	370	__func__);
2e5c1ec8 MK	371	smsusb_term_device(intf);
	372	return rc;
	373	}
	374
	375	rc = smscore_start_device(dev->coredev);
82237416 MK	376	if (rc < 0) {
	377	printk(KERN_INFO "%s smscore_start_device(...) failed\n",
	378	__func__);
2e5c1ec8 MK	379	smsusb_term_device(intf);
	380	return rc;
	381	}
	382
18658117	383	printk(KERN_INFO "%s device %p created\n", __func__, dev);
2e5c1ec8 MK	384
	385	return rc;
	386	}
	387
	388	int smsusb_probe(struct usb_interface intf, const struct usb_device_id id)
	389	{
	390	struct usb_device *udev = interface_to_usbdev(intf);
	391	char devpath[32];
	392	int i, rc;
	393
f17407a8 MK	394	rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
	395	rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));
	396
82237416	397	if (intf->num_altsetting > 0) {
59bf6b8e MK	398	rc = usb_set_interface(
59bf6b8e MK	399	udev, intf->cur_altsetting->desc.bInterfaceNumber, 0);
82237416 MK	400	if (rc < 0) {
	401	printk(KERN_INFO "%s usb_set_interface failed, "
	402	"rc %d\n", __func__, rc);
2e5c1ec8 MK	403	return rc;
	404	}
	405	}
	406
82237416 MK	407	printk(KERN_INFO "smsusb_probe %d\n",
82237416 MK	408	intf->cur_altsetting->desc.bInterfaceNumber);
fa830e8a	409	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
82237416 MK	410	printk(KERN_INFO "endpoint %d %02x %02x %d\n", i,
	411	intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
	412	intf->cur_altsetting->endpoint[i].desc.bmAttributes,
	413	intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
2e5c1ec8	414
82237416 MK	415	if ((udev->actconfig->desc.bNumInterfaces == 2) &&
82237416 MK	416	(intf->cur_altsetting->desc.bInterfaceNumber == 0)) {
2e5c1ec8 MK	417	printk(KERN_INFO "rom interface 0 is not used\n");
	418	return -ENODEV;
	419	}
	420
82237416 MK	421	if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
	422	snprintf(devpath, sizeof(devpath), "usb\\%d-%s",
	423	udev->bus->busnum, udev->devpath);
f17407a8	424	printk(KERN_INFO "stellar device was found.\n");
59bf6b8e MK	425	return smsusb1_load_firmware(
59bf6b8e MK	426	udev, smscore_registry_getmode(devpath));
2e5c1ec8 MK	427	}
2e5c1ec8 MK	428
f17407a8	429	rc = smsusb_init_device(intf);
494d24c5	430	printk(KERN_INFO "%s rc %d\n", __func__, rc);
f17407a8	431	return rc;
2e5c1ec8 MK	432	}
	433
	434	void smsusb_disconnect(struct usb_interface *intf)
	435	{
	436	smsusb_term_device(intf);
	437	}
	438
7d18d2e9	439	static struct usb_device_id smsusb_id_table [] = {
73104fb3 MK	440	{ USB_DEVICE(USB_VID_SIANO, 0x0010) },
	441	{ USB_DEVICE(USB_VID_SIANO, USB_PID_STELLAR) },
	442	{ USB_DEVICE(USB_VID_SIANO, USB_PID_NOVA_A) },
7d18d2e9 ST	443	{ } /* Terminating entry */
7d18d2e9 ST	444	};
fa830e8a	445	MODULE_DEVICE_TABLE(usb, smsusb_id_table);
7d18d2e9	446
2e5c1ec8 MK	447	static struct usb_driver smsusb_driver = {
	448	.name = "smsusb",
	449	.probe = smsusb_probe,
82237416	450	.disconnect = smsusb_disconnect,
2e5c1ec8 MK	451	.id_table = smsusb_id_table,
	452	};
	453
eae55660	454	int smsusb_register(void)
2e5c1ec8 MK	455	{
	456	int rc = usb_register(&smsusb_driver);
	457	if (rc)
	458	printk(KERN_INFO "usb_register failed. Error number %d\n", rc);
	459
18658117	460	printk(KERN_INFO "%s\n", __func__);
2e5c1ec8 MK	461
	462	return rc;
	463	}
	464
eae55660	465	void smsusb_unregister(void)
2e5c1ec8	466	{
3dd24378	467	/* Regular USB Cleanup */
2e5c1ec8	468	usb_deregister(&smsusb_driver);
18658117	469	printk(KERN_INFO "%s\n", __func__);
2e5c1ec8 MK	470	}
2e5c1ec8 MK	471