| /* |
| * Driver for the Siano SMS10xx 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" |
| |
| #define USB1_BUFFER_SIZE 0x1000 |
| #define USB2_BUFFER_SIZE 0x4000 |
| |
| #define MAX_BUFFERS 50 |
| #define MAX_URBS 10 |
| |
| typedef struct _smsusb_device smsusb_device_t; |
| |
| typedef struct _smsusb_urb |
| { |
| smscore_buffer_t *cb; |
| smsusb_device_t *dev; |
| |
| struct urb urb; |
| } smsusb_urb_t; |
| |
| typedef struct _smsusb_device |
| { |
| struct usb_device *udev; |
| smscore_device_t *coredev; |
| |
| smsusb_urb_t surbs[MAX_URBS]; |
| |
| int response_alignment; |
| int buffer_size; |
| } *psmsusb_device_t; |
| |
| int smsusb_submit_urb(smsusb_device_t *dev, smsusb_urb_t *surb); |
| |
| void smsusb_onresponse(struct urb *urb) |
| { |
| smsusb_urb_t *surb = (smsusb_urb_t *) urb->context; |
| smsusb_device_t *dev = surb->dev; |
| |
| if (urb->status < 0) |
| { |
| printk(KERN_INFO "%s error, urb status %d, %d bytes\n", __func__, urb->status, urb->actual_length); |
| return; |
| } |
| |
| if (urb->actual_length > 0) |
| { |
| SmsMsgHdr_ST *phdr = (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) |
| { |
| printk("%s: invalid response msglen %d offset %d size %d\n", __func__, 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(SmsMsgHdr_ST)); |
| } |
| else |
| surb->cb->offset = 0; |
| |
| smscore_onresponse(dev->coredev, surb->cb); |
| surb->cb = NULL; |
| } |
| else |
| { |
| printk("%s invalid response msglen %d actual %d\n", __func__, phdr->msgLength, urb->actual_length); |
| } |
| } |
| |
| exit_and_resubmit: |
| smsusb_submit_urb(dev, surb); |
| } |
| |
| int smsusb_submit_urb(smsusb_device_t *dev, smsusb_urb_t *surb) |
| { |
| if (!surb->cb) |
| { |
| surb->cb = smscore_getbuffer(dev->coredev); |
| if (!surb->cb) |
| { |
| printk(KERN_INFO "%s smscore_getbuffer(...) returned NULL\n", __func__); |
| 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); |
| } |
| |
| void smsusb_stop_streaming(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; |
| } |
| } |
| } |
| |
| int smsusb_start_streaming(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) |
| { |
| printk(KERN_INFO "%s smsusb_submit_urb(...) failed\n", __func__); |
| smsusb_stop_streaming(dev); |
| break; |
| } |
| } |
| |
| return rc; |
| } |
| |
| int smsusb_sendrequest(void *context, void *buffer, size_t size) |
| { |
| smsusb_device_t *dev = (smsusb_device_t *) context; |
| int dummy; |
| |
| return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2), buffer, size, &dummy, 1000); |
| } |
| |
| char *smsusb1_fw_lkup[] = |
| { |
| "dvbt_stellar_usb.inp", |
| "dvbh_stellar_usb.inp", |
| "tdmb_stellar_usb.inp", |
| "none", |
| "dvbt_bda_stellar_usb.inp", |
| }; |
| |
| int smsusb1_load_firmware(struct usb_device *udev, int id) |
| { |
| const struct firmware *fw; |
| u8 *fw_buffer; |
| int rc, dummy; |
| |
| if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA) |
| { |
| printk(KERN_INFO "%s invalid firmware id specified %d\n", __func__, id); |
| return -EINVAL; |
| } |
| |
| rc = request_firmware(&fw, smsusb1_fw_lkup[id], &udev->dev); |
| if (rc < 0) |
| { |
| printk(KERN_INFO "%s failed to open \"%s\" mode %d\n", __func__, smsusb1_fw_lkup[id], 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); |
| |
| printk(KERN_INFO "%s: sent %d(%d) bytes, rc %d\n", __func__, fw->size, dummy, rc); |
| |
| kfree(fw_buffer); |
| } |
| else |
| { |
| printk(KERN_INFO "failed to allocate firmware buffer\n"); |
| rc = -ENOMEM; |
| } |
| |
| release_firmware(fw); |
| |
| return rc; |
| } |
| |
| void smsusb1_detectmode(void *context, int *mode) |
| { |
| char *product_string = ((smsusb_device_t *) context)->udev->product; |
| |
| *mode = DEVICE_MODE_NONE; |
| |
| if (!product_string) |
| { |
| product_string = "none"; |
| printk("%s product string not found\n", __func__); |
| } |
| 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; |
| } |
| |
| printk("%s: %d \"%s\"\n", __func__, *mode, product_string); |
| } |
| |
| int smsusb1_setmode(void *context, int mode) |
| { |
| SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK, sizeof(SmsMsgHdr_ST), 0 }; |
| |
| if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) |
| { |
| printk(KERN_INFO "%s invalid firmware id specified %d\n", __func__, mode); |
| return -EINVAL; |
| } |
| |
| return smsusb_sendrequest(context, &Msg, sizeof(Msg)); |
| } |
| |
| void smsusb_term_device(struct usb_interface *intf) |
| { |
| smsusb_device_t *dev = (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); |
| |
| printk(KERN_INFO "%s device %p destroyed\n", __func__, dev); |
| } |
| |
| usb_set_intfdata(intf, NULL); |
| } |
| |
| int smsusb_init_device(struct usb_interface *intf) |
| { |
| smsdevice_params_t params; |
| smsusb_device_t *dev; |
| int i, rc; |
| |
| // create device object |
| dev = kzalloc(sizeof(smsusb_device_t), GFP_KERNEL); |
| if (!dev) |
| { |
| printk(KERN_INFO "%s kzalloc(sizeof(smsusb_device_t) failed\n", __func__); |
| return -ENOMEM; |
| } |
| |
| memset(¶ms, 0, sizeof(params)); |
| usb_set_intfdata(intf, dev); |
| dev->udev = interface_to_usbdev(intf); |
| |
| switch (dev->udev->descriptor.idProduct) { |
| case 0x100: |
| dev->buffer_size = USB1_BUFFER_SIZE; |
| |
| params.setmode_handler = smsusb1_setmode; |
| params.detectmode_handler = smsusb1_detectmode; |
| params.device_type = SMS_STELLAR; |
| printk(KERN_INFO "%s stellar device found\n", __func__ ); |
| break; |
| default: |
| if (dev->udev->descriptor.idProduct == 0x200) { |
| params.device_type = SMS_NOVA_A0; |
| printk(KERN_INFO "%s nova A0 found\n", __FUNCTION__ ); |
| } else if (dev->udev->descriptor.idProduct == 0x201) { |
| params.device_type = SMS_NOVA_B0; |
| printk(KERN_INFO "%s nova B0 found\n", __FUNCTION__); |
| } else { |
| params.device_type = SMS_VEGA; |
| printk(KERN_INFO "%s Vega found\n", __FUNCTION__); |
| } |
| |
| dev->buffer_size = USB2_BUFFER_SIZE; |
| dev->response_alignment = dev->udev->ep_in[1]->desc.wMaxPacketSize - sizeof(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) |
| { |
| printk(KERN_INFO "%s smscore_register_device(...) failed, rc %d\n", __func__, rc); |
| smsusb_term_device(intf); |
| return rc; |
| } |
| |
| // initialize urbs |
| for (i = 0; i < MAX_URBS; i ++) |
| { |
| dev->surbs[i].dev = dev; |
| usb_init_urb(&dev->surbs[i].urb); |
| } |
| |
| printk(KERN_INFO "%s smsusb_start_streaming(...).\n", __func__); |
| rc = smsusb_start_streaming(dev); |
| if (rc < 0) |
| { |
| printk(KERN_INFO "%s smsusb_start_streaming(...) failed\n", __func__); |
| smsusb_term_device(intf); |
| return rc; |
| } |
| |
| rc = smscore_start_device(dev->coredev); |
| if (rc < 0) |
| { |
| printk(KERN_INFO "%s smscore_start_device(...) failed\n", __func__); |
| smsusb_term_device(intf); |
| return rc; |
| } |
| |
| printk(KERN_INFO "%s device %p created\n", __func__, dev); |
| |
| return rc; |
| } |
| |
| 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) |
| { |
| printk(KERN_INFO "%s usb_set_interface failed, rc %d\n", __func__, rc); |
| return rc; |
| } |
| } |
| |
| printk(KERN_INFO "smsusb_probe %d\n", intf->cur_altsetting->desc.bInterfaceNumber); |
| 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 (udev->actconfig->desc.bNumInterfaces == 2 && intf->cur_altsetting->desc.bInterfaceNumber == 0) |
| { |
| printk(KERN_INFO "rom interface 0 is not used\n"); |
| return -ENODEV; |
| } |
| |
| if (intf->cur_altsetting->desc.bInterfaceNumber == 1) |
| { |
| snprintf(devpath, sizeof(devpath), "usb\\%d-%s", udev->bus->busnum, udev->devpath); |
| printk(KERN_INFO "stellar device was found.\n"); |
| return smsusb1_load_firmware(udev, smscore_registry_getmode(devpath)); |
| } |
| |
| rc = smsusb_init_device(intf); |
| printk(KERN_INFO "%s rc %d\n", __FUNCTION__, rc); |
| return rc; |
| } |
| |
| void smsusb_disconnect(struct usb_interface *intf) |
| { |
| smsusb_term_device(intf); |
| } |
| |
| static struct usb_device_id smsusb_id_table [] = { |
| { USB_DEVICE(0x187F, 0x0010) }, |
| { USB_DEVICE(0x187F, 0x0100) }, |
| { USB_DEVICE(0x187F, 0x0200) }, |
| { } /* 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, |
| }; |
| |
| int smsusb_register(void) |
| { |
| int rc = usb_register(&smsusb_driver); |
| if (rc) |
| printk(KERN_INFO "usb_register failed. Error number %d\n", rc); |
| |
| printk(KERN_INFO "%s\n", __func__); |
| |
| return rc; |
| } |
| |
| void smsusb_unregister(void) |
| { |
| /* Regular USB Cleanup */ |
| usb_deregister(&smsusb_driver); |
| printk(KERN_INFO "%s\n", __func__); |
| } |
| |