/**************************************************************** Siano Mobile Silicon, Inc. MDTV receiver kernel modules. Copyright (C) 2005-2009, Uri Shkolnik, Anatoly Greenblat 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, either version 2 of the License, or (at your option) any later version. 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, see <http://www.gnu.org/licenses/>. ****************************************************************/ #include <linux/kernel.h> #include <linux/init.h> #include <linux/usb.h> #include <linux/firmware.h> #include <linux/slab.h> #include <linux/module.h> #include "smscoreapi.h" #include "sms-cards.h" #include "smsendian.h" static int sms_dbg; module_param_named(debug, sms_dbg, int, 0644); MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))"); #define USB1_BUFFER_SIZE 0x1000 #define USB2_BUFFER_SIZE 0x4000 #define MAX_BUFFERS 50 #define MAX_URBS 10 struct smsusb_device_t; struct smsusb_urb_t { struct smscore_buffer_t *cb; struct smsusb_device_t *dev; struct urb urb; }; struct smsusb_device_t { struct usb_device *udev; struct smscore_device_t *coredev; struct smsusb_urb_t surbs[MAX_URBS]; int response_alignment; int buffer_size; }; static int smsusb_submit_urb(struct smsusb_device_t *dev, struct smsusb_urb_t *surb); static void smsusb_onresponse(struct urb *urb) { struct smsusb_urb_t *surb = (struct smsusb_urb_t *) urb->context; struct smsusb_device_t *dev = surb->dev; if (urb->status == -ESHUTDOWN) { sms_err("error, urb status %d (-ESHUTDOWN), %d bytes", urb->status, urb->actual_length); return; } if ((urb->actual_length > 0) && (urb->status == 0)) { struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *)surb->cb->p; smsendian_handle_message_header(phdr); if (urb->actual_length >= phdr->msgLength) { surb->cb->size = phdr->msgLength; if (dev->response_alignment && (phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG)) { surb->cb->offset = dev->response_alignment + ((phdr->msgFlags >> 8) & 3); /* sanity check */ if (((int) phdr->msgLength + surb->cb->offset) > urb->actual_length) { sms_err("invalid response " "msglen %d offset %d " "size %d", phdr->msgLength, surb->cb->offset, urb->actual_length); goto exit_and_resubmit; } /* move buffer pointer and * copy header to its new location */ memcpy((char *) phdr + surb->cb->offset, phdr, sizeof(struct SmsMsgHdr_ST)); } else surb->cb->offset = 0; smscore_onresponse(dev->coredev, surb->cb); surb->cb = NULL; } else { sms_err("invalid response " "msglen %d actual %d", phdr->msgLength, urb->actual_length); } } else sms_err("error, urb status %d, %d bytes", urb->status, urb->actual_length); exit_and_resubmit: smsusb_submit_urb(dev, surb); } static int smsusb_submit_urb(struct smsusb_device_t *dev, struct smsusb_urb_t *surb) { if (!surb->cb) { surb->cb = smscore_getbuffer(dev->coredev); if (!surb->cb) { sms_err("smscore_getbuffer(...) returned NULL"); return -ENOMEM; } } usb_fill_bulk_urb( &surb->urb, dev->udev, usb_rcvbulkpipe(dev->udev, 0x81), surb->cb->p, dev->buffer_size, smsusb_onresponse, surb ); surb->urb.transfer_dma = surb->cb->phys; surb->urb.transfer_flags |= URB_NO_TRANSFER_DMA_MAP; return usb_submit_urb(&surb->urb, GFP_ATOMIC); } static void smsusb_stop_streaming(struct smsusb_device_t *dev) { int i; for (i = 0; i < MAX_URBS; i++) { usb_kill_urb(&dev->surbs[i].urb); if (dev->surbs[i].cb) { smscore_putbuffer(dev->coredev, dev->surbs[i].cb); dev->surbs[i].cb = NULL; } } } static int smsusb_start_streaming(struct smsusb_device_t *dev) { int i, rc; for (i = 0; i < MAX_URBS; i++) { rc = smsusb_submit_urb(dev, &dev->surbs[i]); if (rc < 0) { sms_err("smsusb_submit_urb(...) failed"); smsusb_stop_streaming(dev); break; } } return rc; } static int smsusb_sendrequest(void *context, void *buffer, size_t size) { struct smsusb_device_t *dev = (struct smsusb_device_t *) context; int dummy; smsendian_handle_message_header((struct SmsMsgHdr_ST *)buffer); return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2), buffer, size, &dummy, 1000); } static char *smsusb1_fw_lkup[] = { "dvbt_stellar_usb.inp", "dvbh_stellar_usb.inp", "tdmb_stellar_usb.inp", "none", "dvbt_bda_stellar_usb.inp", }; static inline char *sms_get_fw_name(int mode, int board_id) { char **fw = sms_get_board(board_id)->fw; return (fw && fw[mode]) ? fw[mode] : smsusb1_fw_lkup[mode]; } static int smsusb1_load_firmware(struct usb_device *udev, int id, int board_id) { const struct firmware *fw; u8 *fw_buffer; int rc, dummy; char *fw_filename; if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA) { sms_err("invalid firmware id specified %d", id); return -EINVAL; } fw_filename = sms_get_fw_name(id, board_id); rc = request_firmware(&fw, fw_filename, &udev->dev); if (rc < 0) { sms_warn("failed to open \"%s\" mode %d, " "trying again with default firmware", fw_filename, id); fw_filename = smsusb1_fw_lkup[id]; rc = request_firmware(&fw, fw_filename, &udev->dev); if (rc < 0) { sms_warn("failed to open \"%s\" mode %d", fw_filename, id); return rc; } } fw_buffer = kmalloc(fw->size, GFP_KERNEL); if (fw_buffer) { memcpy(fw_buffer, fw->data, fw->size); rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2), fw_buffer, fw->size, &dummy, 1000); sms_info("sent %zd(%d) bytes, rc %d", fw->size, dummy, rc); kfree(fw_buffer); } else { sms_err("failed to allocate firmware buffer"); rc = -ENOMEM; } sms_info("read FW %s, size=%zd", fw_filename, fw->size); release_firmware(fw); return rc; } static void smsusb1_detectmode(void *context, int *mode) { char *product_string = ((struct smsusb_device_t *) context)->udev->product; *mode = DEVICE_MODE_NONE; if (!product_string) { product_string = "none"; sms_err("product string not found"); } else if (strstr(product_string, "DVBH")) *mode = 1; else if (strstr(product_string, "BDA")) *mode = 4; else if (strstr(product_string, "DVBT")) *mode = 0; else if (strstr(product_string, "TDMB")) *mode = 2; sms_info("%d \"%s\"", *mode, product_string); } static int smsusb1_setmode(void *context, int mode) { struct SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK, sizeof(struct SmsMsgHdr_ST), 0 }; if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { sms_err("invalid firmware id specified %d", mode); return -EINVAL; } return smsusb_sendrequest(context, &Msg, sizeof(Msg)); } static void smsusb_term_device(struct usb_interface *intf) { struct smsusb_device_t *dev = usb_get_intfdata(intf); if (dev) { smsusb_stop_streaming(dev); /* unregister from smscore */ if (dev->coredev) smscore_unregister_device(dev->coredev); sms_info("device %p destroyed", dev); kfree(dev); } usb_set_intfdata(intf, NULL); } static int smsusb_init_device(struct usb_interface *intf, int board_id) { struct smsdevice_params_t params; struct smsusb_device_t *dev; int i, rc; /* create device object */ dev = kzalloc(sizeof(struct smsusb_device_t), GFP_KERNEL); if (!dev) { sms_err("kzalloc(sizeof(struct smsusb_device_t) failed"); return -ENOMEM; } memset(¶ms, 0, sizeof(params)); usb_set_intfdata(intf, dev); dev->udev = interface_to_usbdev(intf); params.device_type = sms_get_board(board_id)->type; switch (params.device_type) { case SMS_STELLAR: dev->buffer_size = USB1_BUFFER_SIZE; params.setmode_handler = smsusb1_setmode; params.detectmode_handler = smsusb1_detectmode; break; default: sms_err("Unspecified sms device type!"); /* fall-thru */ case SMS_NOVA_A0: case SMS_NOVA_B0: case SMS_VEGA: dev->buffer_size = USB2_BUFFER_SIZE; dev->response_alignment = le16_to_cpu(dev->udev->ep_in[1]->desc.wMaxPacketSize) - sizeof(struct SmsMsgHdr_ST); params.flags |= SMS_DEVICE_FAMILY2; break; } params.device = &dev->udev->dev; params.buffer_size = dev->buffer_size; params.num_buffers = MAX_BUFFERS; params.sendrequest_handler = smsusb_sendrequest; params.context = dev; usb_make_path(dev->udev, params.devpath, sizeof(params.devpath)); /* register in smscore */ rc = smscore_register_device(¶ms, &dev->coredev); if (rc < 0) { sms_err("smscore_register_device(...) failed, rc %d", rc); smsusb_term_device(intf); return rc; } smscore_set_board_id(dev->coredev, board_id); /* initialize urbs */ for (i = 0; i < MAX_URBS; i++) { dev->surbs[i].dev = dev; usb_init_urb(&dev->surbs[i].urb); } sms_info("smsusb_start_streaming(...)."); rc = smsusb_start_streaming(dev); if (rc < 0) { sms_err("smsusb_start_streaming(...) failed"); smsusb_term_device(intf); return rc; } rc = smscore_start_device(dev->coredev); if (rc < 0) { sms_err("smscore_start_device(...) failed"); smsusb_term_device(intf); return rc; } sms_info("device %p created", dev); return rc; } static int __devinit smsusb_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct usb_device *udev = interface_to_usbdev(intf); char devpath[32]; int i, rc; rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81)); rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02)); if (intf->num_altsetting > 0) { rc = usb_set_interface( udev, intf->cur_altsetting->desc.bInterfaceNumber, 0); if (rc < 0) { sms_err("usb_set_interface failed, rc %d", rc); return rc; } } sms_info("smsusb_probe %d", intf->cur_altsetting->desc.bInterfaceNumber); for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) sms_info("endpoint %d %02x %02x %d", i, intf->cur_altsetting->endpoint[i].desc.bEndpointAddress, intf->cur_altsetting->endpoint[i].desc.bmAttributes, intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize); if ((udev->actconfig->desc.bNumInterfaces == 2) && (intf->cur_altsetting->desc.bInterfaceNumber == 0)) { sms_err("rom interface 0 is not used"); return -ENODEV; } if (intf->cur_altsetting->desc.bInterfaceNumber == 1) { snprintf(devpath, sizeof(devpath), "usb\\%d-%s", udev->bus->busnum, udev->devpath); sms_info("stellar device was found."); return smsusb1_load_firmware( udev, smscore_registry_getmode(devpath), id->driver_info); } rc = smsusb_init_device(intf, id->driver_info); sms_info("rc %d", rc); sms_board_load_modules(id->driver_info); return rc; } static void smsusb_disconnect(struct usb_interface *intf) { smsusb_term_device(intf); } static int smsusb_suspend(struct usb_interface *intf, pm_message_t msg) { struct smsusb_device_t *dev = usb_get_intfdata(intf); printk(KERN_INFO "%s: Entering status %d.\n", __func__, msg.event); smsusb_stop_streaming(dev); return 0; } static int smsusb_resume(struct usb_interface *intf) { int rc, i; struct smsusb_device_t *dev = usb_get_intfdata(intf); struct usb_device *udev = interface_to_usbdev(intf); printk(KERN_INFO "%s: Entering.\n", __func__); usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81)); usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02)); for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) printk(KERN_INFO "endpoint %d %02x %02x %d\n", i, intf->cur_altsetting->endpoint[i].desc.bEndpointAddress, intf->cur_altsetting->endpoint[i].desc.bmAttributes, intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize); if (intf->num_altsetting > 0) { rc = usb_set_interface(udev, intf->cur_altsetting->desc. bInterfaceNumber, 0); if (rc < 0) { printk(KERN_INFO "%s usb_set_interface failed, " "rc %d\n", __func__, rc); return rc; } } smsusb_start_streaming(dev); return 0; } static const struct usb_device_id smsusb_id_table[] __devinitconst = { { USB_DEVICE(0x187f, 0x0010), .driver_info = SMS1XXX_BOARD_SIANO_STELLAR }, { USB_DEVICE(0x187f, 0x0100), .driver_info = SMS1XXX_BOARD_SIANO_STELLAR }, { USB_DEVICE(0x187f, 0x0200), .driver_info = SMS1XXX_BOARD_SIANO_NOVA_A }, { USB_DEVICE(0x187f, 0x0201), .driver_info = SMS1XXX_BOARD_SIANO_NOVA_B }, { USB_DEVICE(0x187f, 0x0300), .driver_info = SMS1XXX_BOARD_SIANO_VEGA }, { USB_DEVICE(0x2040, 0x1700), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT }, { USB_DEVICE(0x2040, 0x1800), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A }, { USB_DEVICE(0x2040, 0x1801), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B }, { USB_DEVICE(0x2040, 0x2000), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD }, { USB_DEVICE(0x2040, 0x2009), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2 }, { USB_DEVICE(0x2040, 0x200a), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD }, { USB_DEVICE(0x2040, 0x2010), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD }, { USB_DEVICE(0x2040, 0x2011), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD }, { USB_DEVICE(0x2040, 0x2019), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD }, { USB_DEVICE(0x2040, 0x5500), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { USB_DEVICE(0x2040, 0x5510), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { USB_DEVICE(0x2040, 0x5520), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { USB_DEVICE(0x2040, 0x5530), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { USB_DEVICE(0x2040, 0x5580), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { USB_DEVICE(0x2040, 0x5590), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { USB_DEVICE(0x187f, 0x0202), .driver_info = SMS1XXX_BOARD_SIANO_NICE }, { USB_DEVICE(0x187f, 0x0301), .driver_info = SMS1XXX_BOARD_SIANO_VENICE }, { USB_DEVICE(0x2040, 0xb900), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { USB_DEVICE(0x2040, 0xb910), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { USB_DEVICE(0x2040, 0xb980), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { USB_DEVICE(0x2040, 0xb990), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { USB_DEVICE(0x2040, 0xc000), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { USB_DEVICE(0x2040, 0xc010), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { USB_DEVICE(0x2040, 0xc080), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { USB_DEVICE(0x2040, 0xc090), .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, smsusb_id_table); static struct usb_driver smsusb_driver = { .name = "smsusb", .probe = smsusb_probe, .disconnect = smsusb_disconnect, .id_table = smsusb_id_table, .suspend = smsusb_suspend, .resume = smsusb_resume, }; module_usb_driver(smsusb_driver); MODULE_DESCRIPTION("Driver for the Siano SMS1xxx USB dongle"); MODULE_AUTHOR("Siano Mobile Silicon, INC. (uris@siano-ms.com)"); MODULE_LICENSE("GPL");