1 /* DVB USB compliant Linux driver for the
2 * - GENPIX 8pks/qpsk/DCII USB2.0 DVB-S module
4 * Copyright (C) 2006,2007 Alan Nisota (alannisota@gmail.com)
5 * Copyright (C) 2006,2007 Genpix Electronics (genpix@genpix-electronics.com)
7 * Thanks to GENPIX for the sample code used to implement this module.
9 * This module is based off the vp7045 and vp702x modules
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the Free
13 * Software Foundation, version 2.
15 * see Documentation/dvb/README.dvb-usb for more information
20 static char bcm4500_firmware[] = "dvb-usb-gp8psk-02.fw";
21 int dvb_usb_gp8psk_debug;
22 module_param_named(debug,dvb_usb_gp8psk_debug, int, 0644);
23 MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
25 int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen)
29 if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
32 while (ret >= 0 && ret != blen && try < 3) {
33 ret = usb_control_msg(d->udev,
34 usb_rcvctrlpipe(d->udev,0),
36 USB_TYPE_VENDOR | USB_DIR_IN,
39 deb_info("reading number %d (ret: %d)\n",try,ret);
43 if (ret < 0 || ret != blen) {
44 warn("usb in %d operation failed.", req);
49 deb_xfer("in: req. %x, val: %x, ind: %x, buffer: ",req,value,index);
50 debug_dump(b,blen,deb_xfer);
52 mutex_unlock(&d->usb_mutex);
57 int gp8psk_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value,
58 u16 index, u8 *b, int blen)
62 deb_xfer("out: req. %x, val: %x, ind: %x, buffer: ",req,value,index);
63 debug_dump(b,blen,deb_xfer);
65 if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
68 if (usb_control_msg(d->udev,
69 usb_sndctrlpipe(d->udev,0),
71 USB_TYPE_VENDOR | USB_DIR_OUT,
74 warn("usb out operation failed.");
78 mutex_unlock(&d->usb_mutex);
83 static int gp8psk_load_bcm4500fw(struct dvb_usb_device *d)
86 const struct firmware *fw = NULL;
88 if ((ret = request_firmware(&fw, bcm4500_firmware,
89 &d->udev->dev)) != 0) {
90 err("did not find the bcm4500 firmware file. (%s) "
91 "Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)",
92 bcm4500_firmware,ret);
98 if (gp8psk_usb_out_op(d, LOAD_BCM4500,1,0,NULL, 0))
101 info("downloading bcm4500 firmware from file '%s'",bcm4500_firmware);
104 buf = kmalloc(64, GFP_KERNEL | GFP_DMA);
106 while (ptr[0] != 0xff) {
107 u16 buflen = ptr[0] + 4;
108 if (ptr + buflen >= fw->data + fw->size) {
109 err("failed to load bcm4500 firmware.");
112 memcpy(buf, ptr, buflen);
113 if (dvb_usb_generic_write(d, buf, buflen)) {
114 err("failed to load bcm4500 firmware.");
125 release_firmware(fw);
130 static int gp8psk_power_ctrl(struct dvb_usb_device *d, int onoff)
133 int gp_product_id = le16_to_cpu(d->udev->descriptor.idProduct);
136 gp8psk_usb_in_op(d, GET_8PSK_CONFIG,0,0,&status,1);
137 if (! (status & bm8pskStarted)) { /* started */
138 if(gp_product_id == USB_PID_GENPIX_SKYWALKER_CW3K)
139 gp8psk_usb_out_op(d, CW3K_INIT, 1, 0, NULL, 0);
140 if (gp8psk_usb_in_op(d, BOOT_8PSK, 1, 0, &buf, 1))
144 if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
145 if (! (status & bm8pskFW_Loaded)) /* BCM4500 firmware loaded */
146 if(gp8psk_load_bcm4500fw(d))
149 if (! (status & bmIntersilOn)) /* LNB Power */
150 if (gp8psk_usb_in_op(d, START_INTERSIL, 1, 0,
154 /* Set DVB mode to 1 */
155 if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM)
156 if (gp8psk_usb_out_op(d, SET_DVB_MODE, 1, 0, NULL, 0))
158 /* Abort possible TS (if previous tune crashed) */
159 if (gp8psk_usb_out_op(d, ARM_TRANSFER, 0, 0, NULL, 0))
162 /* Turn off LNB power */
163 if (gp8psk_usb_in_op(d, START_INTERSIL, 0, 0, &buf, 1))
165 /* Turn off 8psk power */
166 if (gp8psk_usb_in_op(d, BOOT_8PSK, 0, 0, &buf, 1))
168 if(gp_product_id == USB_PID_GENPIX_SKYWALKER_CW3K)
169 gp8psk_usb_out_op(d, CW3K_INIT, 0, 0, NULL, 0);
175 static int gp8psk_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
177 return gp8psk_usb_out_op(adap->dev, ARM_TRANSFER, onoff, 0 , NULL, 0);
180 static int gp8psk_frontend_attach(struct dvb_usb_adapter *adap)
182 adap->fe = gp8psk_fe_attach(adap->dev);
186 static struct dvb_usb_device_properties gp8psk_properties;
188 static int gp8psk_usb_probe(struct usb_interface *intf,
189 const struct usb_device_id *id)
192 struct usb_device *udev = interface_to_usbdev(intf);
193 ret = dvb_usb_device_init(intf,&gp8psk_properties,THIS_MODULE,NULL);
195 info("found Genpix USB device pID = %x (hex)",
196 le16_to_cpu(udev->descriptor.idProduct));
201 static struct usb_device_id gp8psk_usb_table [] = {
202 { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_8PSK_REV_1_COLD) },
203 { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_8PSK_REV_1_WARM) },
204 { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_8PSK_REV_2) },
205 { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_SKYWALKER_1) },
206 { USB_DEVICE(USB_VID_GENPIX, USB_PID_GENPIX_SKYWALKER_CW3K) },
209 MODULE_DEVICE_TABLE(usb, gp8psk_usb_table);
211 static struct dvb_usb_device_properties gp8psk_properties = {
212 .usb_ctrl = CYPRESS_FX2,
213 .firmware = "dvb-usb-gp8psk-01.fw",
218 .streaming_ctrl = gp8psk_streaming_ctrl,
219 .frontend_attach = gp8psk_frontend_attach,
220 /* parameter for the MPEG2-data transfer */
233 .power_ctrl = gp8psk_power_ctrl,
235 .generic_bulk_ctrl_endpoint = 0x01,
237 .num_device_descs = 4,
239 { .name = "Genpix 8PSK-to-USB2 Rev.1 DVB-S receiver",
240 .cold_ids = { &gp8psk_usb_table[0], NULL },
241 .warm_ids = { &gp8psk_usb_table[1], NULL },
243 { .name = "Genpix 8PSK-to-USB2 Rev.2 DVB-S receiver",
244 .cold_ids = { NULL },
245 .warm_ids = { &gp8psk_usb_table[2], NULL },
247 { .name = "Genpix SkyWalker-1 DVB-S receiver",
248 .cold_ids = { NULL },
249 .warm_ids = { &gp8psk_usb_table[3], NULL },
251 { .name = "Genpix SkyWalker-CW3K DVB-S receiver",
252 .cold_ids = { NULL },
253 .warm_ids = { &gp8psk_usb_table[4], NULL },
259 /* usb specific object needed to register this driver with the usb subsystem */
260 static struct usb_driver gp8psk_usb_driver = {
261 .name = "dvb_usb_gp8psk",
262 .probe = gp8psk_usb_probe,
263 .disconnect = dvb_usb_device_exit,
264 .id_table = gp8psk_usb_table,
268 static int __init gp8psk_usb_module_init(void)
271 if ((result = usb_register(&gp8psk_usb_driver))) {
272 err("usb_register failed. (%d)",result);
279 static void __exit gp8psk_usb_module_exit(void)
281 /* deregister this driver from the USB subsystem */
282 usb_deregister(&gp8psk_usb_driver);
285 module_init(gp8psk_usb_module_init);
286 module_exit(gp8psk_usb_module_exit);
288 MODULE_AUTHOR("Alan Nisota <alannisota@gamil.com>");
289 MODULE_DESCRIPTION("Driver for Genpix 8psk-to-USB2 DVB-S");
290 MODULE_VERSION("1.1");
291 MODULE_LICENSE("GPL");