diff options
Diffstat (limited to 'drivers/media/dvb/dibusb/dvb-dibusb-usb.c')
-rw-r--r-- | drivers/media/dvb/dibusb/dvb-dibusb-usb.c | 303 |
1 files changed, 0 insertions, 303 deletions
diff --git a/drivers/media/dvb/dibusb/dvb-dibusb-usb.c b/drivers/media/dvb/dibusb/dvb-dibusb-usb.c deleted file mode 100644 index 642f0596a5ba..000000000000 --- a/drivers/media/dvb/dibusb/dvb-dibusb-usb.c +++ /dev/null @@ -1,303 +0,0 @@ -/* - * dvb-dibusb-usb.c is part of the driver for mobile USB Budget DVB-T devices - * based on reference design made by DiBcom (http://www.dibcom.fr/) - * - * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de) - * - * see dvb-dibusb-core.c for more copyright details. - * - * This file contains functions for initializing and handling the - * usb specific stuff. - */ -#include "dvb-dibusb.h" - -#include <linux/version.h> -#include <linux/pci.h> - -int dibusb_readwrite_usb(struct usb_dibusb *dib, u8 *wbuf, u16 wlen, u8 *rbuf, - u16 rlen) -{ - int actlen,ret = -ENOMEM; - - if (wbuf == NULL || wlen == 0) - return -EINVAL; - - if ((ret = down_interruptible(&dib->usb_sem))) - return ret; - - debug_dump(wbuf,wlen); - - ret = usb_bulk_msg(dib->udev,usb_sndbulkpipe(dib->udev, - dib->dibdev->dev_cl->pipe_cmd), wbuf,wlen,&actlen, - DIBUSB_I2C_TIMEOUT); - - if (ret) - err("bulk message failed: %d (%d/%d)",ret,wlen,actlen); - else - ret = actlen != wlen ? -1 : 0; - - /* an answer is expected, and no error before */ - if (!ret && rbuf && rlen) { - ret = usb_bulk_msg(dib->udev,usb_rcvbulkpipe(dib->udev, - dib->dibdev->dev_cl->pipe_cmd),rbuf,rlen,&actlen, - DIBUSB_I2C_TIMEOUT); - - if (ret) - err("recv bulk message failed: %d",ret); - else { - deb_alot("rlen: %d\n",rlen); - debug_dump(rbuf,actlen); - } - } - - up(&dib->usb_sem); - return ret; -} - -/* - * Cypress controls - */ -int dibusb_write_usb(struct usb_dibusb *dib, u8 *buf, u16 len) -{ - return dibusb_readwrite_usb(dib,buf,len,NULL,0); -} - -#if 0 -/* - * #if 0'ing the following functions as they are not in use _now_, - * but probably will be sometime. - */ -/* - * do not use this, just a workaround for a bug, - * which will hopefully never occur :). - */ -int dibusb_interrupt_read_loop(struct usb_dibusb *dib) -{ - u8 b[1] = { DIBUSB_REQ_INTR_READ }; - return dibusb_write_usb(dib,b,1); -} -#endif - -/* - * ioctl for the firmware - */ -static int dibusb_ioctl_cmd(struct usb_dibusb *dib, u8 cmd, u8 *param, int plen) -{ - u8 b[34]; - int size = plen > 32 ? 32 : plen; - memset(b,0,34); - b[0] = DIBUSB_REQ_SET_IOCTL; - b[1] = cmd; - - if (size > 0) - memcpy(&b[2],param,size); - - return dibusb_write_usb(dib,b,34); //2+size); -} - -/* - * ioctl for power control - */ -int dibusb_hw_wakeup(struct dvb_frontend *fe) -{ - struct usb_dibusb *dib = (struct usb_dibusb *) fe->dvb->priv; - u8 b[1] = { DIBUSB_IOCTL_POWER_WAKEUP }; - deb_info("dibusb-device is getting up.\n"); - - switch (dib->dibdev->dev_cl->id) { - case DTT200U: - break; - default: - dibusb_ioctl_cmd(dib,DIBUSB_IOCTL_CMD_POWER_MODE, b,1); - break; - } - - if (dib->fe_init) - return dib->fe_init(fe); - - return 0; -} - -int dibusb_hw_sleep(struct dvb_frontend *fe) -{ - struct usb_dibusb *dib = (struct usb_dibusb *) fe->dvb->priv; - u8 b[1] = { DIBUSB_IOCTL_POWER_SLEEP }; - deb_info("dibusb-device is going to bed.\n"); - /* workaround, something is wrong, when dibusb 1.1 device are going to bed too late */ - switch (dib->dibdev->dev_cl->id) { - case DIBUSB1_1: - case NOVAT_USB2: - case DTT200U: - break; - default: - dibusb_ioctl_cmd(dib,DIBUSB_IOCTL_CMD_POWER_MODE, b,1); - break; - } - if (dib->fe_sleep) - return dib->fe_sleep(fe); - - return 0; -} - -int dibusb_set_streaming_mode(struct usb_dibusb *dib,u8 mode) -{ - u8 b[2] = { DIBUSB_REQ_SET_STREAMING_MODE, mode }; - return dibusb_readwrite_usb(dib,b,2,NULL,0); -} - -static int dibusb_urb_kill(struct usb_dibusb *dib) -{ - int i; -deb_info("trying to kill urbs\n"); - if (dib->init_state & DIBUSB_STATE_URB_SUBMIT) { - for (i = 0; i < dib->dibdev->dev_cl->urb_count; i++) { - deb_info("killing URB no. %d.\n",i); - - /* stop the URB */ - usb_kill_urb(dib->urb_list[i]); - } - } else - deb_info(" URBs not killed.\n"); - dib->init_state &= ~DIBUSB_STATE_URB_SUBMIT; - return 0; -} - -static int dibusb_urb_submit(struct usb_dibusb *dib) -{ - int i,ret; - if (dib->init_state & DIBUSB_STATE_URB_INIT) { - for (i = 0; i < dib->dibdev->dev_cl->urb_count; i++) { - deb_info("submitting URB no. %d\n",i); - if ((ret = usb_submit_urb(dib->urb_list[i],GFP_ATOMIC))) { - err("could not submit buffer urb no. %d - get them all back\n",i); - dibusb_urb_kill(dib); - return ret; - } - dib->init_state |= DIBUSB_STATE_URB_SUBMIT; - } - } - return 0; -} - -int dibusb_streaming(struct usb_dibusb *dib,int onoff) -{ - if (onoff) - dibusb_urb_submit(dib); - else - dibusb_urb_kill(dib); - - switch (dib->dibdev->dev_cl->id) { - case DIBUSB2_0: - case DIBUSB2_0B: - case NOVAT_USB2: - case UMT2_0: - if (onoff) - return dibusb_ioctl_cmd(dib,DIBUSB_IOCTL_CMD_ENABLE_STREAM,NULL,0); - else - return dibusb_ioctl_cmd(dib,DIBUSB_IOCTL_CMD_DISABLE_STREAM,NULL,0); - break; - default: - break; - } - return 0; -} - -int dibusb_urb_init(struct usb_dibusb *dib) -{ - int i,bufsize,def_pid_parse = 1; - - /* - * when reloading the driver w/o replugging the device - * a timeout occures, this helps - */ - usb_clear_halt(dib->udev,usb_sndbulkpipe(dib->udev,dib->dibdev->dev_cl->pipe_cmd)); - usb_clear_halt(dib->udev,usb_rcvbulkpipe(dib->udev,dib->dibdev->dev_cl->pipe_cmd)); - usb_clear_halt(dib->udev,usb_rcvbulkpipe(dib->udev,dib->dibdev->dev_cl->pipe_data)); - - /* allocate the array for the data transfer URBs */ - dib->urb_list = kmalloc(dib->dibdev->dev_cl->urb_count*sizeof(struct urb *),GFP_KERNEL); - if (dib->urb_list == NULL) - return -ENOMEM; - memset(dib->urb_list,0,dib->dibdev->dev_cl->urb_count*sizeof(struct urb *)); - - dib->init_state |= DIBUSB_STATE_URB_LIST; - - bufsize = dib->dibdev->dev_cl->urb_count*dib->dibdev->dev_cl->urb_buffer_size; - deb_info("allocate %d bytes as buffersize for all URBs\n",bufsize); - /* allocate the actual buffer for the URBs */ - if ((dib->buffer = pci_alloc_consistent(NULL,bufsize,&dib->dma_handle)) == NULL) { - deb_info("not enough memory.\n"); - return -ENOMEM; - } - deb_info("allocation complete\n"); - memset(dib->buffer,0,bufsize); - - dib->init_state |= DIBUSB_STATE_URB_BUF; - - /* allocate and submit the URBs */ - for (i = 0; i < dib->dibdev->dev_cl->urb_count; i++) { - if (!(dib->urb_list[i] = usb_alloc_urb(0,GFP_ATOMIC))) { - return -ENOMEM; - } - - usb_fill_bulk_urb( dib->urb_list[i], dib->udev, - usb_rcvbulkpipe(dib->udev,dib->dibdev->dev_cl->pipe_data), - &dib->buffer[i*dib->dibdev->dev_cl->urb_buffer_size], - dib->dibdev->dev_cl->urb_buffer_size, - dibusb_urb_complete, dib); - - dib->urb_list[i]->transfer_flags = 0; - - dib->init_state |= DIBUSB_STATE_URB_INIT; - } - - /* dib->pid_parse here contains the value of the module parameter */ - /* decide if pid parsing can be deactivated: - * is possible (by device type) and wanted (by user) - */ - switch (dib->dibdev->dev_cl->id) { - case DIBUSB2_0: - case DIBUSB2_0B: - if (dib->udev->speed == USB_SPEED_HIGH && !dib->pid_parse) { - def_pid_parse = 0; - info("running at HIGH speed, will deliver the complete TS."); - } else - info("will use pid_parsing."); - break; - default: - break; - } - /* from here on it contains the device and user decision */ - dib->pid_parse = def_pid_parse; - - return 0; -} - -int dibusb_urb_exit(struct usb_dibusb *dib) -{ - int i; - - dibusb_urb_kill(dib); - - if (dib->init_state & DIBUSB_STATE_URB_LIST) { - for (i = 0; i < dib->dibdev->dev_cl->urb_count; i++) { - if (dib->urb_list[i] != NULL) { - deb_info("freeing URB no. %d.\n",i); - /* free the URBs */ - usb_free_urb(dib->urb_list[i]); - } - } - /* free the urb array */ - kfree(dib->urb_list); - dib->init_state &= ~DIBUSB_STATE_URB_LIST; - } - - if (dib->init_state & DIBUSB_STATE_URB_BUF) - pci_free_consistent(NULL, - dib->dibdev->dev_cl->urb_buffer_size*dib->dibdev->dev_cl->urb_count, - dib->buffer,dib->dma_handle); - - dib->init_state &= ~DIBUSB_STATE_URB_BUF; - dib->init_state &= ~DIBUSB_STATE_URB_INIT; - return 0; -} |