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Diffstat (limited to 'v4l/kernel-2.6.tmp/dvb-usb-firmware.c')
-rw-r--r--v4l/kernel-2.6.tmp/dvb-usb-firmware.c146
1 files changed, 0 insertions, 146 deletions
diff --git a/v4l/kernel-2.6.tmp/dvb-usb-firmware.c b/v4l/kernel-2.6.tmp/dvb-usb-firmware.c
deleted file mode 100644
index e1112e3..0000000
--- a/v4l/kernel-2.6.tmp/dvb-usb-firmware.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/* dvb-usb-firmware.c is part of the DVB USB library.
- *
- * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@desy.de)
- * see dvb-usb-init.c for copyright information.
- *
- * This file contains functions for downloading the firmware to Cypress FX 1 and 2 based devices.
- *
- * FIXME: This part does actually not belong to dvb-usb, but to the usb-subsystem.
- */
-#include "dvb-usb-common.h"
-
-#include <linux/usb.h>
-
-struct usb_cypress_controller {
- int id;
- const char *name; /* name of the usb controller */
- u16 cpu_cs_register; /* needs to be restarted, when the firmware has been downloaded. */
-};
-
-static struct usb_cypress_controller cypress[] = {
- { .id = DEVICE_SPECIFIC, .name = "Device specific", .cpu_cs_register = 0 },
- { .id = CYPRESS_AN2135, .name = "Cypress AN2135", .cpu_cs_register = 0x7f92 },
- { .id = CYPRESS_AN2235, .name = "Cypress AN2235", .cpu_cs_register = 0x7f92 },
- { .id = CYPRESS_FX2, .name = "Cypress FX2", .cpu_cs_register = 0xe600 },
-};
-
-/*
- * load a firmware packet to the device
- */
-static int usb_cypress_writemem(struct usb_device *udev,u16 addr,u8 *data, u8 len)
-{
- return usb_control_msg(udev, usb_sndctrlpipe(udev,0),
- 0xa0, USB_TYPE_VENDOR, addr, 0x00, data, len, 5000);
-}
-
-int usb_cypress_load_firmware(struct usb_device *udev, const struct firmware *fw, int type)
-{
- struct hexline hx;
- u8 reset;
- int ret,pos=0;
-
- /* stop the CPU */
- reset = 1;
- if ((ret = usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1)) != 1)
- err("could not stop the USB controller CPU.");
-
- while ((ret = dvb_usb_get_hexline(fw,&hx,&pos)) > 0) {
- deb_fw("writing to address 0x%04x (buffer: 0x%02x %02x)\n",hx.addr,hx.len,hx.chk);
- ret = usb_cypress_writemem(udev,hx.addr,hx.data,hx.len);
-
- if (ret != hx.len) {
- err("error while transferring firmware "
- "(transferred size: %d, block size: %d)",
- ret,hx.len);
- ret = -EINVAL;
- break;
- }
- }
- if (ret < 0) {
- err("firmware download failed at %d with %d",pos,ret);
- return ret;
- }
-
- if (ret == 0) {
- /* restart the CPU */
- reset = 0;
- if (ret || usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1) != 1) {
- err("could not restart the USB controller CPU.");
- ret = -EINVAL;
- }
- } else
- ret = -EIO;
-
- return ret;
-}
-EXPORT_SYMBOL(usb_cypress_load_firmware);
-
-int dvb_usb_download_firmware(struct usb_device *udev, struct dvb_usb_device_properties *props)
-{
- int ret;
- const struct firmware *fw = NULL;
-
- if ((ret = request_firmware(&fw, props->firmware, &udev->dev)) != 0) {
- err("did not find the firmware file. (%s) "
- "Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)",
- props->firmware,ret);
- return ret;
- }
-
- info("downloading firmware from file '%s'",props->firmware);
-
- switch (props->usb_ctrl) {
- case CYPRESS_AN2135:
- case CYPRESS_AN2235:
- case CYPRESS_FX2:
- ret = usb_cypress_load_firmware(udev, fw, props->usb_ctrl);
- break;
- case DEVICE_SPECIFIC:
- if (props->download_firmware)
- ret = props->download_firmware(udev,fw);
- else {
- err("BUG: driver didn't specified a download_firmware-callback, although it claims to have a DEVICE_SPECIFIC one.");
- ret = -EINVAL;
- }
- break;
- default:
- ret = -EINVAL;
- break;
- }
-
- release_firmware(fw);
- return ret;
-}
-
-int dvb_usb_get_hexline(const struct firmware *fw, struct hexline *hx,
- int *pos)
-{
- u8 *b = (u8 *) &fw->data[*pos];
- int data_offs = 4;
- if (*pos >= fw->size)
- return 0;
-
- memset(hx,0,sizeof(struct hexline));
-
- hx->len = b[0];
-
- if ((*pos + hx->len + 4) >= fw->size)
- return -EINVAL;
-
- hx->addr = le16_to_cpu( *((u16 *) &b[1]) );
- hx->type = b[3];
-
- if (hx->type == 0x04) {
- /* b[4] and b[5] are the Extended linear address record data field */
- hx->addr |= (b[4] << 24) | (b[5] << 16);
-/* hx->len -= 2;
- data_offs += 2; */
- }
- memcpy(hx->data,&b[data_offs],hx->len);
- hx->chk = b[hx->len + data_offs];
-
- *pos += hx->len + 5;
-
- return *pos;
-}
-EXPORT_SYMBOL(dvb_usb_get_hexline);