[linux-2.6-block.git] / drivers / media / dvb / siano / smsusb.c

/****************************************************************

Siano Mobile Silicon, Inc.
MDTV receiver kernel modules.
Copyright (C) 2005-2009, Uri Shkolnik, Anatoly Greenblat

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.

 This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  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, see <http://www.gnu.org/licenses/>.

****************************************************************/

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/usb.h>
#include <linux/firmware.h>

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

static int sms_dbg;
module_param_named(debug, sms_dbg, int, 0644);
MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))");

#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 == -ESHUTDOWN) {
		sms_err("error, urb status %d (-ESHUTDOWN), %d bytes",
			urb->status, urb->actual_length);
		return;
	}

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

		smsendian_handle_message_header(phdr);
		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);
		}
	} else
		sms_err("error, urb status %d, %d bytes",
			urb->status, 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;

	smsendian_handle_message_header((struct SmsMsgHdr_ST *)buffer);
	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 inline char *sms_get_fw_name(int mode, int board_id)
{
	char **fw = sms_get_board(board_id)->fw;
	return (fw && fw[mode]) ? fw[mode] : smsusb1_fw_lkup[mode];
}

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

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

	fw_filename = sms_get_fw_name(id, board_id);

	rc = request_firmware(&fw, fw_filename, &udev->dev);
	if (rc < 0) {
		sms_warn("failed to open \"%s\" mode %d, "
			 "trying again with default firmware", fw_filename, id);

		fw_filename = smsusb1_fw_lkup[id];
		rc = request_firmware(&fw, fw_filename, &udev->dev);
		if (rc < 0) {
			sms_warn("failed to open \"%s\" mode %d",
				 fw_filename, 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", fw_filename, 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 =
		    le16_to_cpu(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),
				id->driver_info);
	}

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

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

static int smsusb_suspend(struct usb_interface *intf, pm_message_t msg)
{
	struct smsusb_device_t *dev =
		(struct smsusb_device_t *)usb_get_intfdata(intf);
	printk(KERN_INFO "%s: Entering status %d.\n", __func__, msg.event);
	smsusb_stop_streaming(dev);
	return 0;
}

static int smsusb_resume(struct usb_interface *intf)
{
	int rc, i;
	struct smsusb_device_t *dev =
		(struct smsusb_device_t *)usb_get_intfdata(intf);
	struct usb_device *udev = interface_to_usbdev(intf);

	printk(KERN_INFO "%s: Entering.\n", __func__);
	usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
	usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));

	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 (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;
		}
	}

	smsusb_start_streaming(dev);
	return 0;
}

struct usb_device_id smsusb_id_table[] = {
	{ USB_DEVICE(0x187f, 0x0010),
		.driver_info = SMS1XXX_BOARD_SIANO_STELLAR },
	{ USB_DEVICE(0x187f, 0x0100),
		.driver_info = SMS1XXX_BOARD_SIANO_STELLAR },
	{ USB_DEVICE(0x187f, 0x0200),
		.driver_info = SMS1XXX_BOARD_SIANO_NOVA_A },
	{ USB_DEVICE(0x187f, 0x0201),
		.driver_info = SMS1XXX_BOARD_SIANO_NOVA_B },
	{ USB_DEVICE(0x187f, 0x0300),
		.driver_info = SMS1XXX_BOARD_SIANO_VEGA },
	{ USB_DEVICE(0x2040, 0x1700),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT },
	{ USB_DEVICE(0x2040, 0x1800),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A },
	{ USB_DEVICE(0x2040, 0x1801),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B },
	{ USB_DEVICE(0x2040, 0x2000),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
	{ USB_DEVICE(0x2040, 0x2009),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2 },
	{ USB_DEVICE(0x2040, 0x200a),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
	{ USB_DEVICE(0x2040, 0x2010),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
	{ USB_DEVICE(0x2040, 0x2011),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
	{ USB_DEVICE(0x2040, 0x2019),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
	{ USB_DEVICE(0x2040, 0x5500),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	{ USB_DEVICE(0x2040, 0x5510),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	{ USB_DEVICE(0x2040, 0x5520),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	{ USB_DEVICE(0x2040, 0x5530),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	{ USB_DEVICE(0x2040, 0x5580),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	{ USB_DEVICE(0x2040, 0x5590),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	{ USB_DEVICE(0x187f, 0x0202),
		.driver_info = SMS1XXX_BOARD_SIANO_NICE },
	{ USB_DEVICE(0x187f, 0x0301),
		.driver_info = SMS1XXX_BOARD_SIANO_VENICE },
	{ USB_DEVICE(0x2040, 0xb900),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	{ USB_DEVICE(0x2040, 0xb910),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	{ USB_DEVICE(0x2040, 0xc000),
		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	{ } /* 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,

	.suspend		= smsusb_suspend,
	.resume			= smsusb_resume,
};

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

	sms_debug("");

	return rc;
}

void smsusb_module_exit(void)
{
	/* Regular USB Cleanup */
	usb_deregister(&smsusb_driver);
	sms_info("end");
}

module_init(smsusb_module_init);
module_exit(smsusb_module_exit);

MODULE_DESCRIPTION("Driver for the Siano SMS1xxx USB dongle");
MODULE_AUTHOR("Siano Mobile Silicon, INC. (uris@siano-ms.com)");
MODULE_LICENSE("GPL");
Commit	Line	Data
6d4e6972 US	1	/****************************************************************
	2
	3	Siano Mobile Silicon, Inc.
	4	MDTV receiver kernel modules.
	5	Copyright (C) 2005-2009, Uri Shkolnik, Anatoly Greenblat
	6
	7	This program is free software: you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation, either version 2 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program. If not, see <http://www.gnu.org/licenses/>.
	19
	20	****************************************************************/
8d4f9d0e	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"
c7ce8d37	29	#include "smsendian.h"
2e5c1ec8	30
0d02efe4 MK	31	static int sms_dbg;
	32	module_param_named(debug, sms_dbg, int, 0644);
	33	MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))");
	34
2e5c1ec8 MK	35	#define USB1_BUFFER_SIZE 0x1000
	36	#define USB2_BUFFER_SIZE 0x4000
	37
	38	#define MAX_BUFFERS 50
	39	#define MAX_URBS 10
	40
18245e18	41	struct smsusb_device_t;
2e5c1ec8	42
18245e18 MK	43	struct smsusb_urb_t {
	44	struct smscore_buffer_t *cb;
	45	struct smsusb_device_t *dev;
2e5c1ec8	46
18245e18 MK	47	struct urb urb;
18245e18 MK	48	};
2e5c1ec8	49
18245e18	50	struct smsusb_device_t {
a83ccdd6	51	struct usb_device *udev;
18245e18	52	struct smscore_device_t *coredev;
2e5c1ec8	53
18245e18	54	struct smsusb_urb_t surbs[MAX_URBS];
2e5c1ec8	55
82237416 MK	56	int response_alignment;
82237416 MK	57	int buffer_size;
18245e18	58	};
2e5c1ec8	59
0c071f37 MK	60	static int smsusb_submit_urb(struct smsusb_device_t *dev,
0c071f37 MK	61	struct smsusb_urb_t *surb);
2e5c1ec8	62
0c071f37	63	static void smsusb_onresponse(struct urb *urb)
2e5c1ec8	64	{
18245e18 MK	65	struct smsusb_urb_t surb = (struct smsusb_urb_t ) urb->context;
18245e18 MK	66	struct smsusb_device_t *dev = surb->dev;
2e5c1ec8	67
8f12d0a4 US	68	if (urb->status == -ESHUTDOWN) {
8f12d0a4 US	69	sms_err("error, urb status %d (-ESHUTDOWN), %d bytes",
eb250942	70	urb->status, urb->actual_length);
2e5c1ec8 MK	71	return;
	72	}
	73
8f12d0a4 US	74	if ((urb->actual_length > 0) && (urb->status == 0)) {
8f12d0a4 US	75	struct SmsMsgHdr_ST phdr = (struct SmsMsgHdr_ST )surb->cb->p;
2e5c1ec8	76
9c9c68a8	77	smsendian_handle_message_header(phdr);
82237416	78	if (urb->actual_length >= phdr->msgLength) {
2e5c1ec8 MK	79	surb->cb->size = phdr->msgLength;
2e5c1ec8 MK	80
82237416 MK	81	if (dev->response_alignment &&
	82	(phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG)) {
	83
	84	surb->cb->offset =
	85	dev->response_alignment +
	86	((phdr->msgFlags >> 8) & 3);
	87
	88	/* sanity check */
	89	if (((int) phdr->msgLength +
	90	surb->cb->offset) > urb->actual_length) {
eb250942 MK	91	sms_err("invalid response "
	92	"msglen %d offset %d "
	93	"size %d",
	94	phdr->msgLength,
	95	surb->cb->offset,
	96	urb->actual_length);
2e5c1ec8 MK	97	goto exit_and_resubmit;
	98	}
	99
82237416 MK	100	/* move buffer pointer and
82237416 MK	101	* copy header to its new location */
55ad310c	102	memcpy((char *) phdr + surb->cb->offset,
18245e18	103	phdr, sizeof(struct SmsMsgHdr_ST));
82237416	104	} else
2e5c1ec8 MK	105	surb->cb->offset = 0;
	106
	107	smscore_onresponse(dev->coredev, surb->cb);
	108	surb->cb = NULL;
82237416	109	} else {
eb250942 MK	110	sms_err("invalid response "
	111	"msglen %d actual %d",
	112	phdr->msgLength, urb->actual_length);
2e5c1ec8	113	}
8f12d0a4 US	114	} else
	115	sms_err("error, urb status %d, %d bytes",
	116	urb->status, urb->actual_length);
	117
2e5c1ec8 MK	118
	119	exit_and_resubmit:
	120	smsusb_submit_urb(dev, surb);
	121	}
	122
0c071f37 MK	123	static int smsusb_submit_urb(struct smsusb_device_t *dev,
0c071f37 MK	124	struct smsusb_urb_t *surb)
2e5c1ec8	125	{
82237416	126	if (!surb->cb) {
2e5c1ec8	127	surb->cb = smscore_getbuffer(dev->coredev);
82237416	128	if (!surb->cb) {
eb250942	129	sms_err("smscore_getbuffer(...) returned NULL");
2e5c1ec8 MK	130	return -ENOMEM;
	131	}
	132	}
	133
	134	usb_fill_bulk_urb(
	135	&surb->urb,
	136	dev->udev,
	137	usb_rcvbulkpipe(dev->udev, 0x81),
	138	surb->cb->p,
	139	dev->buffer_size,
	140	smsusb_onresponse,
	141	surb
	142	);
	143	surb->urb.transfer_dma = surb->cb->phys;
	144	surb->urb.transfer_flags \|= URB_NO_TRANSFER_DMA_MAP;
	145
	146	return usb_submit_urb(&surb->urb, GFP_ATOMIC);
	147	}
	148
0c071f37	149	static void smsusb_stop_streaming(struct smsusb_device_t *dev)
2e5c1ec8 MK	150	{
	151	int i;
	152
fa830e8a	153	for (i = 0; i < MAX_URBS; i++) {
2e5c1ec8 MK	154	usb_kill_urb(&dev->surbs[i].urb);
2e5c1ec8 MK	155
82237416	156	if (dev->surbs[i].cb) {
2e5c1ec8 MK	157	smscore_putbuffer(dev->coredev, dev->surbs[i].cb);
	158	dev->surbs[i].cb = NULL;
	159	}
	160	}
	161	}
	162
0c071f37	163	static int smsusb_start_streaming(struct smsusb_device_t *dev)
2e5c1ec8 MK	164	{
	165	int i, rc;
	166
fa830e8a	167	for (i = 0; i < MAX_URBS; i++) {
2e5c1ec8	168	rc = smsusb_submit_urb(dev, &dev->surbs[i]);
82237416	169	if (rc < 0) {
eb250942	170	sms_err("smsusb_submit_urb(...) failed");
2e5c1ec8 MK	171	smsusb_stop_streaming(dev);
	172	break;
	173	}
	174	}
	175
	176	return rc;
	177	}
	178
0c071f37	179	static int smsusb_sendrequest(void context, void buffer, size_t size)
2e5c1ec8	180	{
18245e18	181	struct smsusb_device_t dev = (struct smsusb_device_t ) context;
2e5c1ec8 MK	182	int dummy;
2e5c1ec8 MK	183
c7ce8d37	184	smsendian_handle_message_header((struct SmsMsgHdr_ST *)buffer);
82237416 MK	185	return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2),
82237416 MK	186	buffer, size, &dummy, 1000);
2e5c1ec8 MK	187	}
2e5c1ec8 MK	188
0c071f37	189	static char *smsusb1_fw_lkup[] = {
2e5c1ec8 MK	190	"dvbt_stellar_usb.inp",
	191	"dvbh_stellar_usb.inp",
	192	"tdmb_stellar_usb.inp",
	193	"none",
	194	"dvbt_bda_stellar_usb.inp",
	195	};
	196
1fbc3caf MK	197	static inline char *sms_get_fw_name(int mode, int board_id)
	198	{
	199	char **fw = sms_get_board(board_id)->fw;
	200	return (fw && fw[mode]) ? fw[mode] : smsusb1_fw_lkup[mode];
	201	}
	202
	203	static int smsusb1_load_firmware(struct usb_device *udev, int id, int board_id)
2e5c1ec8 MK	204	{
2e5c1ec8 MK	205	const struct firmware *fw;
a83ccdd6	206	u8 *fw_buffer;
2e5c1ec8	207	int rc, dummy;
1fbc3caf	208	char *fw_filename;
2e5c1ec8	209
82237416	210	if (id < DEVICE_MODE_DVBT \|\| id > DEVICE_MODE_DVBT_BDA) {
eb250942	211	sms_err("invalid firmware id specified %d", id);
2e5c1ec8 MK	212	return -EINVAL;
	213	}
	214
1fbc3caf MK	215	fw_filename = sms_get_fw_name(id, board_id);
	216
	217	rc = request_firmware(&fw, fw_filename, &udev->dev);
82237416	218	if (rc < 0) {
1fbc3caf MK	219	sms_warn("failed to open \"%s\" mode %d, "
	220	"trying again with default firmware", fw_filename, id);
	221
	222	fw_filename = smsusb1_fw_lkup[id];
	223	rc = request_firmware(&fw, fw_filename, &udev->dev);
	224	if (rc < 0) {
	225	sms_warn("failed to open \"%s\" mode %d",
	226	fw_filename, id);
	227
	228	return rc;
	229	}
2e5c1ec8 MK	230	}
	231
	232	fw_buffer = kmalloc(fw->size, GFP_KERNEL);
82237416	233	if (fw_buffer) {
2e5c1ec8 MK	234	memcpy(fw_buffer, fw->data, fw->size);
2e5c1ec8 MK	235
82237416 MK	236	rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2),
82237416 MK	237	fw_buffer, fw->size, &dummy, 1000);
2e5c1ec8	238
0f2a1ee1	239	sms_info("sent %zd(%d) bytes, rc %d", fw->size, dummy, rc);
2e5c1ec8 MK	240
2e5c1ec8 MK	241	kfree(fw_buffer);
82237416	242	} else {
eb250942	243	sms_err("failed to allocate firmware buffer");
2e5c1ec8 MK	244	rc = -ENOMEM;
2e5c1ec8 MK	245	}
1fbc3caf	246	sms_info("read FW %s, size=%zd", fw_filename, fw->size);
2e5c1ec8 MK	247
	248	release_firmware(fw);
	249
	250	return rc;
	251	}
	252
0c071f37	253	static void smsusb1_detectmode(void context, int mode)
2e5c1ec8	254	{
18245e18 MK	255	char *product_string =
18245e18 MK	256	((struct smsusb_device_t *) context)->udev->product;
2e5c1ec8 MK	257
	258	*mode = DEVICE_MODE_NONE;
	259
82237416	260	if (!product_string) {
2e5c1ec8	261	product_string = "none";
a0c0abcb	262	sms_err("product string not found");
82237416 MK	263	} else if (strstr(product_string, "DVBH"))
	264	*mode = 1;
	265	else if (strstr(product_string, "BDA"))
	266	*mode = 4;
	267	else if (strstr(product_string, "DVBT"))
	268	*mode = 0;
	269	else if (strstr(product_string, "TDMB"))
	270	*mode = 2;
2e5c1ec8	271
a0c0abcb	272	sms_info("%d \"%s\"", *mode, product_string);
2e5c1ec8 MK	273	}
2e5c1ec8 MK	274
0c071f37	275	static int smsusb1_setmode(void *context, int mode)
2e5c1ec8	276	{
18245e18 MK	277	struct SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK,
18245e18 MK	278	sizeof(struct SmsMsgHdr_ST), 0 };
2e5c1ec8	279
82237416	280	if (mode < DEVICE_MODE_DVBT \|\| mode > DEVICE_MODE_DVBT_BDA) {
eb250942	281	sms_err("invalid firmware id specified %d", mode);
2e5c1ec8 MK	282	return -EINVAL;
	283	}
	284
	285	return smsusb_sendrequest(context, &Msg, sizeof(Msg));
	286	}
	287
0c071f37	288	static void smsusb_term_device(struct usb_interface *intf)
2e5c1ec8	289	{
18245e18 MK	290	struct smsusb_device_t *dev =
18245e18 MK	291	(struct smsusb_device_t *) usb_get_intfdata(intf);
2e5c1ec8	292
82237416	293	if (dev) {
2e5c1ec8 MK	294	smsusb_stop_streaming(dev);
2e5c1ec8 MK	295
fa830e8a	296	/* unregister from smscore */
2e5c1ec8 MK	297	if (dev->coredev)
	298	smscore_unregister_device(dev->coredev);
	299
	300	kfree(dev);
	301
a0c0abcb	302	sms_info("device %p destroyed", dev);
2e5c1ec8 MK	303	}
	304
	305	usb_set_intfdata(intf, NULL);
	306	}
	307
0c071f37	308	static int smsusb_init_device(struct usb_interface *intf, int board_id)
2e5c1ec8	309	{
18245e18 MK	310	struct smsdevice_params_t params;
18245e18 MK	311	struct smsusb_device_t *dev;
2e5c1ec8 MK	312	int i, rc;
2e5c1ec8 MK	313
fa830e8a	314	/* create device object */
18245e18	315	dev = kzalloc(sizeof(struct smsusb_device_t), GFP_KERNEL);
82237416	316	if (!dev) {
eb250942	317	sms_err("kzalloc(sizeof(struct smsusb_device_t) failed");
2e5c1ec8 MK	318	return -ENOMEM;
	319	}
	320
	321	memset(&params, 0, sizeof(params));
	322	usb_set_intfdata(intf, dev);
	323	dev->udev = interface_to_usbdev(intf);
	324
2708e888	325	params.device_type = sms_get_board(board_id)->type;
73104fb3	326
2708e888	327	switch (params.device_type) {
1c11d546	328	case SMS_STELLAR:
f17407a8 MK	329	dev->buffer_size = USB1_BUFFER_SIZE;
	330
	331	params.setmode_handler = smsusb1_setmode;
	332	params.detectmode_handler = smsusb1_detectmode;
f17407a8 MK	333	break;
f17407a8 MK	334	default:
2708e888 MK	335	sms_err("Unspecified sms device type!");
	336	/* fall-thru */
	337	case SMS_NOVA_A0:
	338	case SMS_NOVA_B0:
	339	case SMS_VEGA:
f17407a8	340	dev->buffer_size = USB2_BUFFER_SIZE;
82237416	341	dev->response_alignment =
c7ce8d37 US	342	le16_to_cpu(dev->udev->ep_in[1]->desc.wMaxPacketSize) -
c7ce8d37 US	343	sizeof(struct SmsMsgHdr_ST);
2e5c1ec8	344
f17407a8 MK	345	params.flags \|= SMS_DEVICE_FAMILY2;
f17407a8 MK	346	break;
2e5c1ec8 MK	347	}
	348
	349	params.device = &dev->udev->dev;
	350	params.buffer_size = dev->buffer_size;
	351	params.num_buffers = MAX_BUFFERS;
	352	params.sendrequest_handler = smsusb_sendrequest;
	353	params.context = dev;
82237416 MK	354	snprintf(params.devpath, sizeof(params.devpath),
82237416 MK	355	"usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath);
2e5c1ec8	356
82237416	357	/* register in smscore */
2e5c1ec8	358	rc = smscore_register_device(&params, &dev->coredev);
82237416	359	if (rc < 0) {
eb250942	360	sms_err("smscore_register_device(...) failed, rc %d", rc);
2e5c1ec8 MK	361	smsusb_term_device(intf);
	362	return rc;
	363	}
	364
1c11d546 MK	365	smscore_set_board_id(dev->coredev, board_id);
1c11d546 MK	366
fa830e8a	367	/* initialize urbs */
82237416	368	for (i = 0; i < MAX_URBS; i++) {
2e5c1ec8 MK	369	dev->surbs[i].dev = dev;
	370	usb_init_urb(&dev->surbs[i].urb);
	371	}
	372
a0c0abcb	373	sms_info("smsusb_start_streaming(...).");
2e5c1ec8	374	rc = smsusb_start_streaming(dev);
82237416	375	if (rc < 0) {
eb250942	376	sms_err("smsusb_start_streaming(...) failed");
2e5c1ec8 MK	377	smsusb_term_device(intf);
	378	return rc;
	379	}
	380
	381	rc = smscore_start_device(dev->coredev);
82237416	382	if (rc < 0) {
eb250942	383	sms_err("smscore_start_device(...) failed");
2e5c1ec8 MK	384	smsusb_term_device(intf);
	385	return rc;
	386	}
	387
a0c0abcb	388	sms_info("device %p created", dev);
2e5c1ec8 MK	389
	390	return rc;
	391	}
	392
0c071f37 MK	393	static int smsusb_probe(struct usb_interface *intf,
0c071f37 MK	394	const struct usb_device_id *id)
2e5c1ec8 MK	395	{
	396	struct usb_device *udev = interface_to_usbdev(intf);
	397	char devpath[32];
	398	int i, rc;
	399
f17407a8 MK	400	rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
	401	rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));
	402
82237416	403	if (intf->num_altsetting > 0) {
59bf6b8e MK	404	rc = usb_set_interface(
59bf6b8e MK	405	udev, intf->cur_altsetting->desc.bInterfaceNumber, 0);
82237416	406	if (rc < 0) {
eb250942	407	sms_err("usb_set_interface failed, rc %d", rc);
2e5c1ec8 MK	408	return rc;
	409	}
	410	}
	411
a0c0abcb	412	sms_info("smsusb_probe %d",
82237416	413	intf->cur_altsetting->desc.bInterfaceNumber);
fa830e8a	414	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
a0c0abcb	415	sms_info("endpoint %d %02x %02x %d", i,
82237416 MK	416	intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
	417	intf->cur_altsetting->endpoint[i].desc.bmAttributes,
	418	intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
2e5c1ec8	419
82237416 MK	420	if ((udev->actconfig->desc.bNumInterfaces == 2) &&
82237416 MK	421	(intf->cur_altsetting->desc.bInterfaceNumber == 0)) {
eb250942	422	sms_err("rom interface 0 is not used");
2e5c1ec8 MK	423	return -ENODEV;
	424	}
	425
82237416 MK	426	if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
	427	snprintf(devpath, sizeof(devpath), "usb\\%d-%s",
	428	udev->bus->busnum, udev->devpath);
a0c0abcb	429	sms_info("stellar device was found.");
59bf6b8e	430	return smsusb1_load_firmware(
1fbc3caf MK	431	udev, smscore_registry_getmode(devpath),
1fbc3caf MK	432	id->driver_info);
2e5c1ec8 MK	433	}
2e5c1ec8 MK	434
1c11d546	435	rc = smsusb_init_device(intf, id->driver_info);
a0c0abcb	436	sms_info("rc %d", rc);
05860f2d	437	sms_board_load_modules(id->driver_info);
f17407a8	438	return rc;
2e5c1ec8 MK	439	}
2e5c1ec8 MK	440
0c071f37	441	static void smsusb_disconnect(struct usb_interface *intf)
2e5c1ec8 MK	442	{
	443	smsusb_term_device(intf);
	444	}
	445
2f56c34b US	446	static int smsusb_suspend(struct usb_interface *intf, pm_message_t msg)
	447	{
	448	struct smsusb_device_t *dev =
	449	(struct smsusb_device_t *)usb_get_intfdata(intf);
b9391f41	450	printk(KERN_INFO "%s: Entering status %d.\n", __func__, msg.event);
2f56c34b US	451	smsusb_stop_streaming(dev);
	452	return 0;
	453	}
	454
	455	static int smsusb_resume(struct usb_interface *intf)
	456	{
	457	int rc, i;
	458	struct smsusb_device_t *dev =
	459	(struct smsusb_device_t *)usb_get_intfdata(intf);
	460	struct usb_device *udev = interface_to_usbdev(intf);
	461
b9391f41	462	printk(KERN_INFO "%s: Entering.\n", __func__);
2f56c34b US	463	usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81));
	464	usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02));
	465
	466	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
	467	printk(KERN_INFO "endpoint %d %02x %02x %d\n", i,
	468	intf->cur_altsetting->endpoint[i].desc.bEndpointAddress,
	469	intf->cur_altsetting->endpoint[i].desc.bmAttributes,
	470	intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize);
	471
	472	if (intf->num_altsetting > 0) {
	473	rc = usb_set_interface(udev,
	474	intf->cur_altsetting->desc.
	475	bInterfaceNumber, 0);
	476	if (rc < 0) {
b9391f41 MK	477	printk(KERN_INFO "%s usb_set_interface failed, "
b9391f41 MK	478	"rc %d\n", __func__, rc);
2f56c34b US	479	return rc;
	480	}
	481	}
	482
	483	smsusb_start_streaming(dev);
	484	return 0;
	485	}
	486
841a3f0d	487	struct usb_device_id smsusb_id_table[] = {
841a3f0d MK	488	{ USB_DEVICE(0x187f, 0x0010),
	489	.driver_info = SMS1XXX_BOARD_SIANO_STELLAR },
	490	{ USB_DEVICE(0x187f, 0x0100),
	491	.driver_info = SMS1XXX_BOARD_SIANO_STELLAR },
	492	{ USB_DEVICE(0x187f, 0x0200),
	493	.driver_info = SMS1XXX_BOARD_SIANO_NOVA_A },
	494	{ USB_DEVICE(0x187f, 0x0201),
	495	.driver_info = SMS1XXX_BOARD_SIANO_NOVA_B },
	496	{ USB_DEVICE(0x187f, 0x0300),
	497	.driver_info = SMS1XXX_BOARD_SIANO_VEGA },
841a3f0d MK	498	{ USB_DEVICE(0x2040, 0x1700),
	499	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT },
	500	{ USB_DEVICE(0x2040, 0x1800),
	501	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A },
	502	{ USB_DEVICE(0x2040, 0x1801),
	503	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B },
	504	{ USB_DEVICE(0x2040, 0x2000),
	505	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
	506	{ USB_DEVICE(0x2040, 0x2009),
	507	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2 },
	508	{ USB_DEVICE(0x2040, 0x200a),
	509	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
	510	{ USB_DEVICE(0x2040, 0x2010),
	511	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
	512	{ USB_DEVICE(0x2040, 0x2011),
	513	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
	514	{ USB_DEVICE(0x2040, 0x2019),
	515	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD },
	516	{ USB_DEVICE(0x2040, 0x5500),
	517	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	518	{ USB_DEVICE(0x2040, 0x5510),
	519	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	520	{ USB_DEVICE(0x2040, 0x5520),
	521	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	522	{ USB_DEVICE(0x2040, 0x5530),
	523	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	524	{ USB_DEVICE(0x2040, 0x5580),
	525	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	526	{ USB_DEVICE(0x2040, 0x5590),
	527	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
d0b66180 US	528	{ USB_DEVICE(0x187f, 0x0202),
	529	.driver_info = SMS1XXX_BOARD_SIANO_NICE },
	530	{ USB_DEVICE(0x187f, 0x0301),
	531	.driver_info = SMS1XXX_BOARD_SIANO_VENICE },
78c948ab MK	532	{ USB_DEVICE(0x2040, 0xb900),
	533	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	534	{ USB_DEVICE(0x2040, 0xb910),
	535	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
	536	{ USB_DEVICE(0x2040, 0xc000),
	537	.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
d0b66180 US	538	{ } /* Terminating entry */
	539	};
	540
841a3f0d MK	541	MODULE_DEVICE_TABLE(usb, smsusb_id_table);
841a3f0d MK	542
2e5c1ec8	543	static struct usb_driver smsusb_driver = {
dba843af	544	.name = "smsusb",
2e5c1ec8	545	.probe = smsusb_probe,
82237416	546	.disconnect = smsusb_disconnect,
2e5c1ec8	547	.id_table = smsusb_id_table,
2f56c34b US	548
	549	.suspend = smsusb_suspend,
	550	.resume = smsusb_resume,
2e5c1ec8 MK	551	};
2e5c1ec8 MK	552
e0f14c25	553	int smsusb_module_init(void)
2e5c1ec8 MK	554	{
	555	int rc = usb_register(&smsusb_driver);
	556	if (rc)
eb250942	557	sms_err("usb_register failed. Error number %d", rc);
2e5c1ec8	558
a0c0abcb	559	sms_debug("");
2e5c1ec8 MK	560
	561	return rc;
	562	}
	563
e0f14c25	564	void smsusb_module_exit(void)
2e5c1ec8	565	{
3dd24378	566	/* Regular USB Cleanup */
2e5c1ec8	567	usb_deregister(&smsusb_driver);
bebfa762	568	sms_info("end");
2e5c1ec8 MK	569	}
2e5c1ec8 MK	570
e0f14c25 US	571	module_init(smsusb_module_init);
	572	module_exit(smsusb_module_exit);
	573
05a07376	574	MODULE_DESCRIPTION("Driver for the Siano SMS1xxx USB dongle");
e0f14c25 US	575	MODULE_AUTHOR("Siano Mobile Silicon, INC. (uris@siano-ms.com)");
e0f14c25 US	576	MODULE_LICENSE("GPL");