1 files changed, 328 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb/gp8psk.c b/drivers/media/usb/dvb-usb/gp8psk.c
new file mode 100644
index 00000000000..5d0384dd45b
--- /dev/null
+++ b/drivers/media/usb/dvb-usb/gp8psk.c
@@ -0,0 +1,328 @@
+/* DVB USB compliant Linux driver for the
+ *  - GENPIX 8pks/qpsk/DCII USB2.0 DVB-S module
+ *
+ * Copyright (C) 2006,2007 Alan Nisota (alannisota@gmail.com)
+ * Copyright (C) 2006,2007 Genpix Electronics (genpix@genpix-electronics.com)
+ *
+ * Thanks to GENPIX for the sample code used to implement this module.
+ *
+ * This module is based off the vp7045 and vp702x modules
+ *
+ *	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, version 2.
+ *
+ * see Documentation/dvb/README.dvb-usb for more information
+ */
+#include "gp8psk.h"
+
+/* debug */
+static char bcm4500_firmware[] = "dvb-usb-gp8psk-02.fw";
+int dvb_usb_gp8psk_debug;
+module_param_named(debug,dvb_usb_gp8psk_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static int gp8psk_get_fw_version(struct dvb_usb_device *d, u8 *fw_vers)
+{
+	return (gp8psk_usb_in_op(d, GET_FW_VERS, 0, 0, fw_vers, 6));
+}
+
+static int gp8psk_get_fpga_version(struct dvb_usb_device *d, u8 *fpga_vers)
+{
+	return (gp8psk_usb_in_op(d, GET_FPGA_VERS, 0, 0, fpga_vers, 1));
+}
+
+static void gp8psk_info(struct dvb_usb_device *d)
+{
+	u8 fpga_vers, fw_vers[6];
+
+	if (!gp8psk_get_fw_version(d, fw_vers))
+		info("FW Version = %i.%02i.%i (0x%x)  Build %4i/%02i/%02i",
+		fw_vers[2], fw_vers[1], fw_vers[0], GP8PSK_FW_VERS(fw_vers),
+		2000 + fw_vers[5], fw_vers[4], fw_vers[3]);
+	else
+		info("failed to get FW version");
+
+	if (!gp8psk_get_fpga_version(d, &fpga_vers))
+		info("FPGA Version = %i", fpga_vers);
+	else
+		info("failed to get FPGA version");
+}
+
+int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen)
+{
+	int ret = 0,try = 0;
+
+	if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
+		return ret;
+
+	while (ret >= 0 && ret != blen && try < 3) {
+		ret = usb_control_msg(d->udev,
+			usb_rcvctrlpipe(d->udev,0),
+			req,
+			USB_TYPE_VENDOR | USB_DIR_IN,
+			value,index,b,blen,
+			2000);
+		deb_info("reading number %d (ret: %d)\n",try,ret);
+		try++;
+	}
+
+	if (ret < 0 || ret != blen) {
+		warn("usb in %d operation failed.", req);
+		ret = -EIO;
+	} else
+		ret = 0;
+
+	deb_xfer("in: req. %x, val: %x, ind: %x, buffer: ",req,value,index);
+	debug_dump(b,blen,deb_xfer);
+
+	mutex_unlock(&d->usb_mutex);
+
+	return ret;
+}
+
+int gp8psk_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value,
+			     u16 index, u8 *b, int blen)
+{
+	int ret;
+
+	deb_xfer("out: req. %x, val: %x, ind: %x, buffer: ",req,value,index);
+	debug_dump(b,blen,deb_xfer);
+
+	if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
+		return ret;
+
+	if (usb_control_msg(d->udev,
+			usb_sndctrlpipe(d->udev,0),
+			req,
+			USB_TYPE_VENDOR | USB_DIR_OUT,
+			value,index,b,blen,
+			2000) != blen) {
+		warn("usb out operation failed.");
+		ret = -EIO;
+	} else
+		ret = 0;
+	mutex_unlock(&d->usb_mutex);
+
+	return ret;
+}
+
+static int gp8psk_load_bcm4500fw(struct dvb_usb_device *d)
+{
+	int ret;
+	const struct firmware *fw = NULL;
+	const u8 *ptr;
+	u8 *buf;
+	if ((ret = request_firmware(&fw, bcm4500_firmware,
+					&d->udev->dev)) != 0) {
+		err("did not find the bcm4500 firmware file. (%s) "
+			"Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)",
+			bcm4500_firmware,ret);
+		return ret;
+	}
+
+	ret = -EINVAL;
+
+	if (gp8psk_usb_out_op(d, LOAD_BCM4500,1,0,NULL, 0))
+		goto out_rel_fw;
+
+	info("downloading bcm4500 firmware from file '%s'",bcm4500_firmware);
+
+	ptr = fw->data;
+	buf = kmalloc(64, GFP_KERNEL | GFP_DMA);
+	if (!buf) {
+		ret = -ENOMEM;
+		goto out_rel_fw;
+	}
+
+	while (ptr[0] != 0xff) {
+		u16 buflen = ptr[0] + 4;
+		if (ptr + buflen >= fw->data + fw->size) {
+			err("failed to load bcm4500 firmware.");
+			goto out_free;
+		}
+		memcpy(buf, ptr, buflen);
+		if (dvb_usb_generic_write(d, buf, buflen)) {
+			err("failed to load bcm4500 firmware.");
+			goto out_free;
+		}
+		ptr += buflen;
+	}
+
+	ret = 0;
+
+out_free:
+	kfree(buf);
+out_rel_fw:
+	release_firmware(fw);
+
+	return ret;
+}
+
+static int gp8psk_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+	u8 status, buf;
+	int gp_product_id = le16_to_cpu(d->udev->descriptor.idProduct);
+
+	if (onoff) {
+		gp8psk_usb_in_op(d, GET_8PSK_CONFIG,0,0,&status,1);
+		if (! (status & bm8pskStarted)) {  /* started */
+			if(gp_product_id == USB_PID_GENPIX_SKYWALKER_CW3K)
+				gp8psk_usb_out_op(d, CW3K_INIT, 1, 0, NULL, 0);
+			if (gp8psk_usb_in_op(d, BOOT_8PSK, 1, 0, &buf, 1))
+				return -EINVAL;
+			gp8psk_info(d);
+		}
+
+		if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
+			if (! (status & bm8pskFW_Loaded)) /* BCM4500 firmware loaded */
+				if(gp8psk_load_bcm4500fw(d))
+					return -EINVAL;
+
+		if (! (status & bmIntersilOn)) /* LNB Power */
+			if (gp8psk_usb_in_op(d, START_INTERSIL, 1, 0,
+					&buf, 1))
+				return -EINVAL;
+
+		/* Set DVB mode to 1 */
+		if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
+			if (gp8psk_usb_out_op(d, SET_DVB_MODE, 1, 0, NULL, 0))
+				return -EINVAL;
+		/* Abort possible TS (if previous tune crashed) */
+		if (gp8psk_usb_out_op(d, ARM_TRANSFER, 0, 0, NULL, 0))
+			return -EINVAL;
+	} else {
+		/* Turn off LNB power */
+		if (gp8psk_usb_in_op(d, START_INTERSIL, 0, 0, &buf, 1))
+			return -EINVAL;
+		/* Turn off 8psk power */
+		if (gp8psk_usb_in_op(d, BOOT_8PSK, 0, 0, &buf, 1))
+			return -EINVAL;
+		if(gp_product_id == USB_PID_GENPIX_SKYWALKER_CW3K)
+			gp8psk_usb_out_op(d, CW3K_INIT, 0, 0, NULL, 0);
+	}
+	return 0;
+}
+
+int gp8psk_bcm4500_reload(struct dvb_usb_device *d)
+{
+	u8 buf;
+	int gp_product_id = le16_to_cpu(d->udev->descriptor.idProduct);
+	/* Turn off 8psk power */
+	if (gp8psk_usb_in_op(d, BOOT_8PSK, 0, 0, &buf, 1))
+		return -EINVAL;
+	/* Turn On 8psk power */
+	if (gp8psk_usb_in_op(d, BOOT_8PSK, 1, 0, &buf, 1))
+		return -EINVAL;
+	/* load BCM4500 firmware */
+	if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
+		if (gp8psk_load_bcm4500fw(d))
+			return -EINVAL;
+	return 0;
+}
+
+static int gp8psk_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
+{
+	return gp8psk_usb_out_op(adap->dev, ARM_TRANSFER, onoff, 0 , NULL, 0);
+}
+
+static int gp8psk_frontend_attach(struct dvb_usb_adapter *adap)
+{
+	adap->fe_adap[0].fe = gp8psk_fe_attach(adap->dev);
+	return 0;
+}
+
+static struct dvb_usb_device_properties gp8psk_properties;
+
+static int gp8psk_usb_probe(struct usb_interface *intf,
+		const struct usb_device_id *id)
+{
+	int ret;
+	struct usb_device *udev = interface_to_usbdev(intf);
+	ret = dvb_usb_device_init(intf, &gp8psk_properties,
+				  THIS_MODULE, NULL, adapter_nr);
+	if (ret == 0) {
+		info("found Genpix USB device pID = %x (hex)",
+			le16_to_cpu(udev->descriptor.idProduct));
+	}
+	return ret;
+}
+
+static struct usb_device_id gp8psk_usb_table [] = {
+	    { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_8PSK_REV_1_COLD) },
+	    { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_8PSK_REV_1_WARM) },
+	    { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_8PSK_REV_2) },
+	    { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_SKYWALKER_1) },
+	    { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_SKYWALKER_2) },
+/*	    { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_SKYWALKER_CW3K) }, */
+	    { 0 },
+};
+MODULE_DEVICE_TABLE(usb, gp8psk_usb_table);
+
+static struct dvb_usb_device_properties gp8psk_properties = {
+	.usb_ctrl = CYPRESS_FX2,
+	.firmware = "dvb-usb-gp8psk-01.fw",
+
+	.num_adapters = 1,
+	.adapter = {
+		{
+		.num_frontends = 1,
+		.fe = {{
+			.streaming_ctrl   = gp8psk_streaming_ctrl,
+			.frontend_attach  = gp8psk_frontend_attach,
+			/* parameter for the MPEG2-data transfer */
+			.stream = {
+				.type = USB_BULK,
+				.count = 7,
+				.endpoint = 0x82,
+				.u = {
+					.bulk = {
+						.buffersize = 8192,
+					}
+				}
+			},
+		}},
+		}
+	},
+	.power_ctrl       = gp8psk_power_ctrl,
+
+	.generic_bulk_ctrl_endpoint = 0x01,
+
+	.num_device_descs = 4,
+	.devices = {
+		{ .name = "Genpix 8PSK-to-USB2 Rev.1 DVB-S receiver",
+		  .cold_ids = { &gp8psk_usb_table[0], NULL },
+		  .warm_ids = { &gp8psk_usb_table[1], NULL },
+		},
+		{ .name = "Genpix 8PSK-to-USB2 Rev.2 DVB-S receiver",
+		  .cold_ids = { NULL },
+		  .warm_ids = { &gp8psk_usb_table[2], NULL },
+		},
+		{ .name = "Genpix SkyWalker-1 DVB-S receiver",
+		  .cold_ids = { NULL },
+		  .warm_ids = { &gp8psk_usb_table[3], NULL },
+		},
+		{ .name = "Genpix SkyWalker-2 DVB-S receiver",
+		  .cold_ids = { NULL },
+		  .warm_ids = { &gp8psk_usb_table[4], NULL },
+		},
+		{ NULL },
+	}
+};
+
+/* usb specific object needed to register this driver with the usb subsystem */
+static struct usb_driver gp8psk_usb_driver = {
+	.name		= "dvb_usb_gp8psk",
+	.probe		= gp8psk_usb_probe,
+	.disconnect = dvb_usb_device_exit,
+	.id_table	= gp8psk_usb_table,
+};
+
+module_usb_driver(gp8psk_usb_driver);
+
+MODULE_AUTHOR("Alan Nisota <alannisota@gamil.com>");
+MODULE_DESCRIPTION("Driver for Genpix DVB-S");
+MODULE_VERSION("1.1");
+MODULE_LICENSE("GPL");