[7/17] DVB:Siano drivers - Support flexiable usb endpoint rather than hard-cored numbers.

From: Doron Cohen <doronc@siano-ms.com>

Hi,
This patch changes the usb driver to support flexiable usb endpoint
rather than hard-cored numbers.

Thanks,
Doron Cohen

--------------



From e4134fa357d3f41476b8ff33ebbcb69c399641dc Mon Sep 17 00:00:00 2001
From: Doron Cohen <doronc@siano-ms.com>
Date: Mon, 19 Sep 2011 13:58:43 +0300
Subject: [PATCH 10/21] Support flexible endpoint numbering for various
SMS devices 9instead of hard coded values)

---
 drivers/media/dvb/siano/smsusb.c |  240
+++++++++++++++++++++++--------------
 1 files changed, 149 insertions(+), 91 deletions(-)

 };
@@ -54,13 +126,26 @@ struct smsusb_device_t {
 
 	struct smsusb_urb_t 	surbs[MAX_URBS];
 
-	int		response_alignment;
-	int		buffer_size;
+	int response_alignment;
+	int buffer_size;
+	unsigned char in_ep;
+	unsigned char out_ep;
+	enum smsusb_state state;	
 };
 
 static int smsusb_submit_urb(struct smsusb_device_t *dev,
 			     struct smsusb_urb_t *surb);
 
+/**
+ * Completing URB's callback handler - top half (interrupt context)
+
+ * adds completing sms urb to the global surbs list and activtes the
worker  
+ * thread the surb
+ * IMPORTANT - blocking functions must not be called from here !!!
+
+ * @param urb pointer to a completing urb object
+ */
+
 static void smsusb_onresponse(struct urb *urb)
 {
 	struct smsusb_urb_t *surb = (struct smsusb_urb_t *) urb->context;
@@ -121,6 +206,7 @@ exit_and_resubmit:
 	smsusb_submit_urb(dev, surb);
 }
 
+
 static int smsusb_submit_urb(struct smsusb_device_t *dev,
 			     struct smsusb_urb_t *surb)
 {
@@ -135,7 +221,7 @@ static int smsusb_submit_urb(struct smsusb_device_t
*dev,
 	usb_fill_bulk_urb(
 		&surb->urb,
 		dev->udev,
-		usb_rcvbulkpipe(dev->udev, 0x81),
+		usb_rcvbulkpipe(dev->udev, dev->in_ep),
 		surb->cb->p,
 		dev->buffer_size,
 		smsusb_onresponse,
@@ -182,6 +268,9 @@ static int smsusb_sendrequest(void *context, void
*buffer, size_t size)
 	struct smsusb_device_t *dev = (struct smsusb_device_t *) context;
 	int dummy;
 
+	if (dev->state != SMSUSB_ACTIVE)
+		return -ENOENT;
+		
 	smsendian_handle_message_header((struct SmsMsgHdr_S *)buffer);
 	return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2),
 			    buffer, size, &dummy, 1000);
@@ -291,15 +380,16 @@ static void smsusb_term_device(struct
usb_interface *intf)
 	struct smsusb_device_t *dev = usb_get_intfdata(intf);
 
 	if (dev) {
+		dev->state = SMSUSB_DISCONNECTED;
+		
 		smsusb_stop_streaming(dev);
 
 		/* unregister from smscore */
 		if (dev->coredev)
 			smscore_unregister_device(dev->coredev);
 
+		sms_info("device 0x%p destroyed", dev);
 		kfree(dev);
-
-		sms_info("device %p destroyed", dev);
 	}
 
 	usb_set_intfdata(intf, NULL);
@@ -321,6 +411,7 @@ static int smsusb_init_device(struct usb_interface
*intf, int board_id)
 	memset(&params, 0, sizeof(params));
 	usb_set_intfdata(intf, dev);
 	dev->udev = interface_to_usbdev(intf);
+	dev->state = SMSUSB_DISCONNECTED;
 
 	params.device_type = sms_get_board(board_id)->type;
 
@@ -337,6 +428,8 @@ static int smsusb_init_device(struct usb_interface
*intf, int board_id)
 	case SMS_NOVA_A0:
 	case SMS_NOVA_B0:
 	case SMS_VEGA:
+	case SMS_VENICE:
+	case SMS_DENVER_1530:
 		dev->buffer_size = USB2_BUFFER_SIZE;
 		dev->response_alignment =
 		    le16_to_cpu(dev->udev->ep_in[1]->desc.wMaxPacketSize) -
@@ -346,6 +439,18 @@ static int smsusb_init_device(struct usb_interface
*intf, int board_id)
 		break;
 	}
 
+	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) 
+		if (intf->cur_altsetting->endpoint[i].desc.
+			bEndpointAddress & USB_DIR_IN)
+			dev->in_ep = intf->cur_altsetting->endpoint[i].desc.
+			bEndpointAddress;
+		else
+			dev->out_ep = intf->cur_altsetting->endpoint[i].desc.
+			bEndpointAddress;
+
+	sms_info("in_ep = %02x, out_ep = %02x",
+		dev->in_ep, dev->out_ep);
+
 	params.device = &dev->udev->dev;
 	params.buffer_size = dev->buffer_size;
 	params.num_buffers = MAX_BUFFERS;
@@ -377,6 +482,8 @@ static int smsusb_init_device(struct usb_interface
*intf, int board_id)
 		return rc;
 	}
 
+	dev->state = SMSUSB_ACTIVE;
+	
 	rc = smscore_start_device(dev->coredev);
 	if (rc < 0) {
 		sms_err("smscore_start_device(...) failed");
@@ -384,7 +491,7 @@ static int smsusb_init_device(struct usb_interface
*intf, int board_id)
 		return rc;
 	}
 
-	sms_info("device %p created", dev);
+	sms_info("device 0x%p created", dev);
 
 	return rc;
 }
@@ -396,12 +503,21 @@ static int __devinit smsusb_probe(struct
usb_interface *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));
+	sms_info("interface number %d",
+		 intf->cur_altsetting->desc.bInterfaceNumber);
 
-	if (intf->num_altsetting > 0) {
-		rc = usb_set_interface(
-			udev, intf->cur_altsetting->desc.bInterfaceNumber, 0);
+	if (sms_get_board(id->driver_info)->intf_num != 
+		intf->cur_altsetting->desc.bInterfaceNumber) {
+		sms_err("interface number is %d expecting %d",
+			sms_get_board(id->driver_info)->intf_num, 
+			intf->cur_altsetting->desc.bInterfaceNumber);
+		return -ENODEV;
+	}
+
+	if (intf->num_altsetting > 1) {
+		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;
@@ -411,18 +527,24 @@ static int __devinit smsusb_probe(struct
usb_interface *intf,
 	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->endpoint[i].desc.
+			bEndpointAddress & USB_DIR_IN)
+			rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 
+				intf->cur_altsetting->endpoint[i].desc.
+				bEndpointAddress));
+		else
+			rc = usb_clear_halt(udev, usb_sndbulkpipe(udev, 
+				intf->cur_altsetting->endpoint[i].desc.
+				bEndpointAddress));
 	}
 
-	if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
+	if (id->driver_info == SMS1XXX_BOARD_SIANO_STELLAR_ROM) {
+		sms_info("stellar device was found.");
 		snprintf(devpath, sizeof(devpath), "usb\\%d-%s",
 			 udev->bus->busnum, udev->devpath);
 		sms_info("stellar device was found.");
@@ -445,7 +567,9 @@ static void smsusb_disconnect(struct usb_interface
*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);
+	printk(KERN_INFO "%s  Entering status %d.\n", __func__, msg.event);
+	dev->state = SMSUSB_SUSPENDED;
+	/*smscore_set_power_mode(dev, SMS_POWER_MODE_SUSPENDED);*/
 	smsusb_stop_streaming(dev);
 	return 0;
 }
@@ -457,8 +581,8 @@ static int smsusb_resume(struct usb_interface *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));
+	usb_clear_halt(udev, usb_rcvbulkpipe(udev, dev->in_ep));
+	usb_clear_halt(udev, usb_sndbulkpipe(udev, dev->out_ep));
 
 	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++)
 		printk(KERN_INFO "endpoint %d %02x %02x %d\n", i,
@@ -481,72 +605,6 @@ static int smsusb_resume(struct usb_interface
*intf)
 	return 0;
 }
 
-static const struct usb_device_id smsusb_id_table[] __devinitconst = {
-	{ 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 },
-	{ } /* Terminating entry */
-	};
-
-MODULE_DEVICE_TABLE(usb, smsusb_id_table);
-
 static struct usb_driver smsusb_driver = {
 	.name			= "smsusb",
 	.probe			= smsusb_probe,
  

[7/17] DVB:Siano drivers - Support flexiable usb endpoint rather than hard-cored numbers.

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