Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux

Pulled mainline in order to get the UAPI infrastructure already
merged before I pull in David Howells's UAPI trees for networking.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 568 insertions, 0 deletions

diff --git a/drivers/media/usb/siano/smsusb.c b/drivers/media/usb/siano/smsusb.c
new file mode 100644
index 00000000000..aac622200e9
--- /dev/null
+++ b/drivers/media/usb/siano/smsusb.c
@@ -0,0 +1,568 @@
+/****************************************************************
+
+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 <linux/slab.h>
+#include <linux/module.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 = usb_get_intfdata(intf);
+
+	if (dev) {
+		smsusb_stop_streaming(dev);
+
+		/* unregister from smscore */
+		if (dev->coredev)
+			smscore_unregister_device(dev->coredev);
+
+		sms_info("device %p destroyed", dev);
+		kfree(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;
+	usb_make_path(dev->udev, params.devpath, sizeof(params.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 __devinit 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 = 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 = 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;
+}
+
+static const 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, 0xb980),
+		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
+	{ USB_DEVICE(0x2040, 0xb990),
+		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
+	{ USB_DEVICE(0x2040, 0xc000),
+		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
+	{ USB_DEVICE(0x2040, 0xc010),
+		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
+	{ USB_DEVICE(0x2040, 0xc080),
+		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
+	{ USB_DEVICE(0x2040, 0xc090),
+		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
+	{ USB_DEVICE(0x2040, 0xc0a0),
+		.driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM },
+	{ USB_DEVICE(0x2040, 0xf5a0),
+		.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,
+};
+
+module_usb_driver(smsusb_driver);
+
+MODULE_DESCRIPTION("Driver for the Siano SMS1xxx USB dongle");
+MODULE_AUTHOR("Siano Mobile Silicon, INC. (uris@siano-ms.com)");
+MODULE_LICENSE("GPL");