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path: root/drivers/media/dvb/dibusb/dvb-dibusb-usb.c
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Diffstat (limited to 'drivers/media/dvb/dibusb/dvb-dibusb-usb.c')
-rw-r--r--drivers/media/dvb/dibusb/dvb-dibusb-usb.c303
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 642f059..0000000
--- 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;
-}