diff options
Diffstat (limited to 'drivers/media/dvb/siano/smsusb.c')
| -rw-r--r-- | drivers/media/dvb/siano/smsusb.c | 459 |
1 files changed, 0 insertions, 459 deletions
diff --git a/drivers/media/dvb/siano/smsusb.c b/drivers/media/dvb/siano/smsusb.c deleted file mode 100644 index c10b1849c6a..00000000000 --- a/drivers/media/dvb/siano/smsusb.c +++ /dev/null @@ -1,459 +0,0 @@ -/* - * Driver for the Siano SMS1xxx USB dongle - * - * author: Anatoly Greenblat - * - * Copyright (c), 2005-2008 Siano Mobile Silicon, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 3 as - * published by the Free Software Foundation; - * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. - * - * 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, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/usb.h> -#include <linux/firmware.h> - -#include "smscoreapi.h" -#include "sms-cards.h" - -#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 < 0) { - sms_err("error, urb status %d, %d bytes", - urb->status, urb->actual_length); - return; - } - - if (urb->actual_length > 0) { - struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) surb->cb->p; - - 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); - } - } - -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; - - 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 = - (struct smsusb_device_t *) usb_get_intfdata(intf); - - if (dev) { - smsusb_stop_streaming(dev); - - /* unregister from smscore */ - if (dev->coredev) - smscore_unregister_device(dev->coredev); - - kfree(dev); - - sms_info("device %p destroyed", 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 = - 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; - snprintf(params.devpath, sizeof(params.devpath), - "usb\\%d-%s", dev->udev->bus->busnum, dev->udev->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 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); - return rc; -} - -static void smsusb_disconnect(struct usb_interface *intf) -{ - smsusb_term_device(intf); -} - -static struct usb_driver smsusb_driver = { - .name = "sms1xxx", - .probe = smsusb_probe, - .disconnect = smsusb_disconnect, - .id_table = smsusb_id_table, -}; - -int smsusb_register(void) -{ - int rc = usb_register(&smsusb_driver); - if (rc) - sms_err("usb_register failed. Error number %d", rc); - - sms_debug(""); - - return rc; -} - -void smsusb_unregister(void) -{ - sms_debug(""); - /* Regular USB Cleanup */ - usb_deregister(&smsusb_driver); -} - |