| /* 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" |
| #include "gp8psk-fe.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); |
| |
| struct gp8psk_state { |
| unsigned char data[80]; |
| }; |
| |
| static int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, |
| u16 index, u8 *b, int blen) |
| { |
| struct gp8psk_state *st = d->priv; |
| int ret = 0,try = 0; |
| |
| if (blen > sizeof(st->data)) |
| return -EIO; |
| |
| 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, st->data, 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; |
| memcpy(b, st->data, blen); |
| } |
| |
| 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; |
| } |
| |
| static int gp8psk_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, |
| u16 index, u8 *b, int blen) |
| { |
| struct gp8psk_state *st = d->priv; |
| int ret; |
| |
| deb_xfer("out: req. %x, val: %x, ind: %x, buffer: ",req,value,index); |
| debug_dump(b,blen,deb_xfer); |
| |
| if (blen > sizeof(st->data)) |
| return -EIO; |
| |
| if ((ret = mutex_lock_interruptible(&d->usb_mutex))) |
| return ret; |
| |
| memcpy(st->data, b, blen); |
| if (usb_control_msg(d->udev, |
| usb_sndctrlpipe(d->udev,0), |
| req, |
| USB_TYPE_VENDOR | USB_DIR_OUT, |
| value, index, st->data, blen, |
| 2000) != blen) { |
| warn("usb out operation failed."); |
| ret = -EIO; |
| } else |
| ret = 0; |
| mutex_unlock(&d->usb_mutex); |
| |
| return ret; |
| } |
| |
| |
| 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"); |
| } |
| |
| 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; |
| } |
| if (buflen > 64) { |
| err("firmware chunk size bigger than 64 bytes."); |
| 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 = 0, 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; |
| } |
| |
| static int gp8psk_bcm4500_reload(struct dvb_usb_device *d) |
| { |
| u8 buf; |
| int gp_product_id = le16_to_cpu(d->udev->descriptor.idProduct); |
| |
| deb_xfer("reloading firmware\n"); |
| |
| /* 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); |
| } |
| |
| /* Callbacks for gp8psk-fe.c */ |
| |
| static int gp8psk_fe_in(void *priv, u8 req, u16 value, |
| u16 index, u8 *b, int blen) |
| { |
| struct dvb_usb_device *d = priv; |
| |
| return gp8psk_usb_in_op(d, req, value, index, b, blen); |
| } |
| |
| static int gp8psk_fe_out(void *priv, u8 req, u16 value, |
| u16 index, u8 *b, int blen) |
| { |
| struct dvb_usb_device *d = priv; |
| |
| return gp8psk_usb_out_op(d, req, value, index, b, blen); |
| } |
| |
| static int gp8psk_fe_reload(void *priv) |
| { |
| struct dvb_usb_device *d = priv; |
| |
| return gp8psk_bcm4500_reload(d); |
| } |
| |
| static const struct gp8psk_fe_ops gp8psk_fe_ops = { |
| .in = gp8psk_fe_in, |
| .out = gp8psk_fe_out, |
| .reload = gp8psk_fe_reload, |
| }; |
| |
| static int gp8psk_frontend_attach(struct dvb_usb_adapter *adap) |
| { |
| struct dvb_usb_device *d = adap->dev; |
| int id = le16_to_cpu(d->udev->descriptor.idProduct); |
| int is_rev1; |
| |
| is_rev1 = (id == USB_PID_GENPIX_8PSK_REV_1_WARM) ? true : false; |
| |
| adap->fe_adap[0].fe = dvb_attach(gp8psk_fe_attach, |
| &gp8psk_fe_ops, d, is_rev1); |
| 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", |
| |
| .size_of_priv = sizeof(struct gp8psk_state), |
| |
| .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"); |