/* 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");