Staging: go7007: add sensoray 2250/2251 support

This is the driver for the Sensoray 2250/2251 USB devices added to
go7007 driver.
Signed-off-by: Pete Eberlein <pete@sensoray.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/go7007/Kconfig

@@ -25,3 +25,13 @@ config VIDEO_GO7007_USB
 	  To compile this driver as a module, choose M here: the
 	  module will be called go7007-usb
 
+config VIDEO_GO7007_USB_S2250_BOARD
+	tristate "Sensoray 2250/2251 support"
+	depends on VIDEO_GO7007_USB && DVB_USB
+	default N
+	---help---
+	  This is a video4linux driver for the Sensoray 2250/2251 device
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called s2250-board
+

drivers/staging/go7007/Makefile

@@ -5,14 +5,23 @@
 
 obj-$(CONFIG_VIDEO_GO7007) += go7007.o
 obj-$(CONFIG_VIDEO_GO7007_USB) += go7007-usb.o
+obj-$(CONFIG_VIDEO_GO7007_USB_S2250_BOARD) += s2250.o
 
-go7007-objs += go7007-v4l2.o go7007-driver.o go7007-i2c.o go7007-fw.o snd-go7007.o
+go7007-objs += go7007-v4l2.o go7007-driver.o go7007-i2c.o go7007-fw.o \
+		snd-go7007.o wis-saa7113.o
 
+s2250-objs += s2250-board.o s2250-loader.o
 
-#ifneq ($(SAA7134_BUILD),)
-#obj-m += saa7134-go7007.o
+# Uncompile when the saa7134 patches get into upstream
+#ifneq ($(CONFIG_VIDEO_SAA7134),)
+#obj-$(CONFIG_VIDEO_SAA7134) += saa7134-go7007.o
+#EXTRA_CFLAGS += -Idrivers/media/video/saa7134
 #endif
 
+ifneq ($(CONFIG_VIDEO_GO7007_USB_S2250_BOARD),)
+EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-usb
+endif
+
 EXTRA_CFLAGS += -Idrivers/staging/saa7134
 EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
 EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core

drivers/staging/go7007/go7007-driver.c

@@ -217,6 +217,9 @@ static int init_i2c_module(struct i2c_adapter *adapter, int id, int addr)
 	case I2C_DRIVERID_WIS_OV7640:
 		modname = "wis-ov7640";
 		break;
+	case I2C_DRIVERID_S2250:
+		modname = "s2250-board";
+		break;
 	default:
 		modname = NULL;
 		break;

drivers/staging/go7007/go7007-priv.h

@@ -40,6 +40,7 @@ struct go7007;
 #define GO7007_BOARDID_LIFEVIEW_LR192	21 /* TV Walker Ultra */
 #define GO7007_BOARDID_ENDURA		22
 #define GO7007_BOARDID_ADLINK_MPG24	23
+#define GO7007_BOARDID_SENSORAY_2250	24 /* Sensoray 2250/2251 */
 
 /* Various characteristics of each board */
 #define GO7007_BOARD_HAS_AUDIO		(1<<0)

drivers/staging/go7007/go7007-usb.c

@@ -398,6 +398,41 @@ static struct go7007_usb_board board_adlink_mpg24 = {
 	},
 };
 
+static struct go7007_usb_board board_sensoray_2250 = {
+	.flags		= GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
+	.main_info	= {
+		.firmware	 = "go7007tv.bin",
+		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
+					GO7007_AUDIO_I2S_MASTER |
+					GO7007_AUDIO_WORD_16,
+		.flags		 = GO7007_BOARD_HAS_AUDIO,
+		.audio_rate	 = 48000,
+		.audio_bclk_div	 = 8,
+		.audio_main_div	 = 2,
+		.hpi_buffer_cap  = 7,
+		.sensor_flags	 = GO7007_SENSOR_656 |
+					GO7007_SENSOR_TV,
+		.num_i2c_devs	 = 1,
+		.i2c_devs	 = {
+			{
+				.id	= I2C_DRIVERID_S2250,
+				.addr	= 0x34,
+			},
+		},
+		.num_inputs	 = 2,
+		.inputs 	 = {
+			{
+				.video_input	= 0,
+				.name		= "Composite",
+			},
+			{
+				.video_input	= 1,
+				.name		= "S-Video",
+			},
+		},
+	},
+};
+
 static struct usb_device_id go7007_usb_id_table[] = {
 	{
 		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
@@ -491,6 +526,14 @@ static struct usb_device_id go7007_usb_id_table[] = {
 		.bcdDevice_hi	= 0x1,
 		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
 	},
+	{
+		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
+		.idVendor	= 0x1943,  /* Vendor ID Sensoray */
+		.idProduct	= 0x2250,  /* Product ID of 2250/2251 */
+		.bcdDevice_lo	= 0x1,
+		.bcdDevice_hi	= 0x1,
+		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
+	},
 	{ }					/* Terminating entry */
 };
 
@@ -965,6 +1008,11 @@ static int go7007_usb_probe(struct usb_interface *intf,
 		name = "Lifeview TV Walker Ultra";
 		board = &board_lifeview_lr192;
 		break;
+	case GO7007_BOARDID_SENSORAY_2250:
+		printk(KERN_INFO "Sensoray 2250 found\n");
+		name = "Sensoray 2250/2251\n";
+		board = &board_sensoray_2250;
+		break;
 	default:
 		printk(KERN_ERR "go7007-usb: unknown board ID %d!\n",
 				(unsigned int)id->driver_info);

drivers/staging/go7007/s2250-loader.c

+/*
+ * Copyright (C) 2008 Sensoray Company Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * 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, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/usb.h>
+#include <dvb-usb.h>
+
+#define S2250_LOADER_FIRMWARE	"s2250_loader.fw"
+#define S2250_FIRMWARE		"s2250.fw"
+
+typedef struct device_extension_s {
+    struct kref     kref;
+    int minor;
+    struct usb_device *usbdev;
+} device_extension_t, *pdevice_extension_t;
+
+#define USB_s2250loader_MAJOR 240
+#define USB_s2250loader_MINOR_BASE 0
+#define MAX_DEVICES 256
+
+static pdevice_extension_t s2250_dev_table[MAX_DEVICES];
+static DECLARE_MUTEX(s2250_dev_table_mutex);
+
+#define to_s2250loader_dev_common(d) container_of(d, device_extension_t, kref)
+static void s2250loader_delete(struct kref *kref)
+{
+	pdevice_extension_t s = to_s2250loader_dev_common(kref);
+	s2250_dev_table[s->minor] = NULL;
+	kfree(s);
+}
+
+static int s2250loader_probe(struct usb_interface *interface,
+				const struct usb_device_id *id)
+{
+	struct usb_device *usbdev;
+	int minor, ret;
+	pdevice_extension_t s = NULL;
+	const struct firmware *fw;
+
+	usbdev = usb_get_dev(interface_to_usbdev(interface));
+	if (!usbdev) {
+		printk(KERN_ERR "Enter s2250loader_probe failed\n");
+		return -1;
+	}
+	printk(KERN_INFO "Enter s2250loader_probe 2.6 kernel\n");
+	printk(KERN_INFO "vendor id 0x%x, device id 0x%x devnum:%d\n",
+	   usbdev->descriptor.idVendor, usbdev->descriptor.idProduct,
+	   usbdev->devnum);
+
+	if (usbdev->descriptor.bNumConfigurations != 1) {
+		printk(KERN_ERR "can't handle multiple config\n");
+		return -1;
+	}
+	down(&s2250_dev_table_mutex);
+
+	for (minor = 0; minor < MAX_DEVICES; minor++) {
+		if (s2250_dev_table[minor] == NULL)
+			break;
+	}
+
+	if (minor < 0 || minor >= MAX_DEVICES) {
+		printk(KERN_ERR "Invalid minor: %d\n", minor);
+		goto failed;
+	}
+
+	/* Allocate dev data structure */
+	s = kmalloc(sizeof(device_extension_t), GFP_KERNEL);
+	if (s == NULL) {
+		printk(KERN_ERR "Out of memory\n");
+		goto failed;
+	}
+	s2250_dev_table[minor] = s;
+
+	printk(KERN_INFO "s2250loader_probe: Device %d on Bus %d Minor %d\n",
+		usbdev->devnum, usbdev->bus->busnum, minor);
+
+	memset(s, 0, sizeof(device_extension_t));
+	s->usbdev = usbdev;
+	printk(KERN_INFO "loading 2250 loader\n");
+
+	kref_init(&(s->kref));
+
+	up(&s2250_dev_table_mutex);
+
+	if (request_firmware(&fw, S2250_LOADER_FIRMWARE, &usbdev->dev)) {
+		printk(KERN_ERR
+			"s2250: unable to load firmware from file \"%s\"\n",
+			S2250_LOADER_FIRMWARE);
+		goto failed2;
+	}
+	ret = usb_cypress_load_firmware(usbdev, fw, CYPRESS_FX2);
+	release_firmware(fw);
+	if (0 != ret) {
+		printk(KERN_ERR "loader download failed\n");
+		goto failed2;
+	}
+
+	if (request_firmware(&fw, S2250_FIRMWARE, &usbdev->dev)) {
+		printk(KERN_ERR
+			"s2250: unable to load firmware from file \"%s\"\n",
+			S2250_FIRMWARE);
+		goto failed2;
+	}
+	ret = usb_cypress_load_firmware(usbdev, fw, CYPRESS_FX2);
+	release_firmware(fw);
+	if (0 != ret) {
+		printk(KERN_ERR "firmware_s2250 download failed\n");
+		goto failed2;
+	}
+
+	usb_set_intfdata(interface, s);
+	return 0;
+
+failed:
+	up(&s2250_dev_table_mutex);
+failed2:
+	if (s)
+		kref_put(&(s->kref), s2250loader_delete);
+
+	printk(KERN_ERR "probe failed\n");
+	return -1;
+}
+
+static void s2250loader_disconnect(struct usb_interface *interface)
+{
+	pdevice_extension_t s = usb_get_intfdata(interface);
+	printk(KERN_INFO "s2250: disconnect\n");
+	lock_kernel();
+	s = usb_get_intfdata(interface);
+	usb_set_intfdata(interface, NULL);
+	kref_put(&(s->kref), s2250loader_delete);
+	unlock_kernel();
+}
+
+static struct usb_device_id s2250loader_ids[] = {
+	{USB_DEVICE(0x1943, 0xa250)},
+	{}                          /* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, s2250loader_ids);
+
+static struct usb_driver s2250loader_driver = {
+	.name		= "s2250-loader",
+	.probe		= s2250loader_probe,
+	.disconnect	= s2250loader_disconnect,
+	.id_table	= s2250loader_ids,
+};
+
+int s2250loader_init(void)
+{
+	int r;
+	unsigned i = 0;
+
+	for (i = 0; i < MAX_DEVICES; i++)
+		s2250_dev_table[i] = NULL;
+
+	r = usb_register(&s2250loader_driver);
+	if (r) {
+		printk(KERN_ERR "usb_register failed. Error number %d\n", r);
+		return -1;
+	}
+
+	printk(KERN_INFO "s2250loader_init: driver registered\n");
+	return 0;
+}
+EXPORT_SYMBOL(s2250loader_init);
+
+void s2250loader_cleanup(void)
+{
+	printk(KERN_INFO "s2250loader_cleanup\n");
+	usb_deregister(&s2250loader_driver);
+}
+EXPORT_SYMBOL(s2250loader_cleanup);

drivers/staging/go7007/wis-i2c.h

@@ -23,6 +23,7 @@
 #define	I2C_DRIVERID_WIS_SAA7113	0xf0f4
 #define	I2C_DRIVERID_WIS_OV7640		0xf0f5
 #define	I2C_DRIVERID_WIS_TW2804		0xf0f6
+#define	I2C_DRIVERID_S2250		0xf0f7
 #define	I2C_ALGO_GO7007			0xf00000
 #define	I2C_ALGO_GO7007_USB		0xf10000