static int cxacru_heavy_init(struct usbatm_data *usbatm_instance,
struct usb_interface *usb_intf)
{
const struct firmware *fw, *bp;
struct cxacru_data *instance = usbatm_instance->driver_data;
int ret = cxacru_find_firmware(instance, "fw", &fw);
if (ret) {
usb_warn(usbatm_instance, "firmware (cxacru-fw.bin) unavailable (system misconfigured?)\n");
return ret;
}
if (instance->modem_type->boot_rom_patch) {
ret = cxacru_find_firmware(instance, "bp", &bp);
if (ret) {
usb_warn(usbatm_instance, "boot ROM patch (cxacru-bp.bin) unavailable (system misconfigured?)\n");
release_firmware(fw);
return ret;
}
}
cxacru_upload_firmware(instance, fw, bp);
if (instance->modem_type->boot_rom_patch)
release_firmware(bp);
release_firmware(fw);
ret = cxacru_card_status(instance);
if (ret)
dbg("modem initialisation failed");
else
dbg("done setting up the modem");
return ret;
}
static void speedtch_test_sequence(struct speedtch_instance_data *instance)
{
struct usbatm_data *usbatm = instance->usbatm;
struct usb_device *usb_dev = usbatm->usb_dev;
unsigned char *buf = instance->scratch_buffer;
int ret;
/* URB 147 */
buf[0] = 0x1c;
buf[1] = 0x50;
ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
0x01, 0x40, 0x0b, 0x00, buf, 2, CTRL_TIMEOUT);
if (ret < 0)
usb_warn(usbatm, "%s failed on URB147: %d\n", __func__, ret);
/* URB 148 */
buf[0] = 0x32;
buf[1] = 0x00;
ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
0x01, 0x40, 0x02, 0x00, buf, 2, CTRL_TIMEOUT);
if (ret < 0)
usb_warn(usbatm, "%s failed on URB148: %d\n", __func__, ret);
/* URB 149 */
buf[0] = 0x01;
buf[1] = 0x00;
buf[2] = 0x01;
ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
0x01, 0x40, 0x03, 0x00, buf, 3, CTRL_TIMEOUT);
if (ret < 0)
usb_warn(usbatm, "%s failed on URB149: %d\n", __func__, ret);
/* URB 150 */
buf[0] = 0x01;
buf[1] = 0x00;
buf[2] = 0x01;
ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
0x01, 0x40, 0x04, 0x00, buf, 3, CTRL_TIMEOUT);
if (ret < 0)
usb_warn(usbatm, "%s failed on URB150: %d\n", __func__, ret);
}
/**
* Get a USB configuration descriptor based on its index.
*/
int libusb_get_config_descriptor(libusb_device *dev,
uint8_t config_index, struct libusb_config_descriptor **config)
{
struct libusb_config_descriptor *_config;
unsigned char tmp[8];
unsigned char *buf = NULL;
int host_endian = 0;
int r;
usb_dbg("index %d", config_index);
if (config_index >= dev->num_configurations)
return LIBUSB_ERROR_NOT_FOUND;
_config = malloc(sizeof(*_config));
if (!_config)
return LIBUSB_ERROR_NO_MEM;
r = usb_backend->get_config_descriptor(dev, config_index, tmp,
sizeof(tmp), &host_endian);
if (r < 0)
goto err;
usb_parse_descriptor(tmp, "bbw", _config, host_endian);
buf = malloc(_config->wTotalLength);
if (!buf) {
r = LIBUSB_ERROR_NO_MEM;
goto err;
}
host_endian = 0;
r = usb_backend->get_config_descriptor(dev, config_index, buf,
_config->wTotalLength, &host_endian);
if (r < 0)
goto err;
r = parse_configuration(dev->ctx, _config, buf, host_endian);
if (r < 0) {
usb_err(dev->ctx, "parse_configuration failed with error %d", r);
goto err;
} else if (r > 0) {
usb_warn(dev->ctx, "descriptor data still left");
}
free(buf);
*config = _config;
return 0;
err:
free(_config);
if (buf)
free(buf);
return r;
}
static void speedtch_set_swbuff(struct speedtch_instance_data *instance, int state)
{
struct usbatm_data *usbatm = instance->usbatm;
struct usb_device *usb_dev = usbatm->usb_dev;
int ret;
ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
0x32, 0x40, state ? 0x01 : 0x00, 0x00, NULL, 0, CTRL_TIMEOUT);
if (ret < 0)
usb_warn(usbatm,
"%sabling SW buffering: usb_control_msg returned %d\n",
state ? "En" : "Dis", ret);
else
dbg("speedtch_set_swbuff: %sbled SW buffering", state ? "En" : "Dis");
}
static int speedtch_upload_firmware(struct speedtch_instance_data *instance,
const struct firmware *fw1,
const struct firmware *fw2)
{
unsigned char *buffer;
struct usbatm_data *usbatm = instance->usbatm;
struct usb_interface *intf;
struct usb_device *usb_dev = usbatm->usb_dev;
int actual_length;
int ret = 0;
int offset;
usb_dbg(usbatm, "%s entered\n", __func__);
if (!(buffer = (unsigned char *)__get_free_page(GFP_KERNEL))) {
ret = -ENOMEM;
usb_dbg(usbatm, "%s: no memory for buffer!\n", __func__);
goto out;
}
if (!(intf = usb_ifnum_to_if(usb_dev, 2))) {
ret = -ENODEV;
usb_dbg(usbatm, "%s: interface not found!\n", __func__);
goto out_free;
}
/* URB 7 */
if (dl_512_first) { /* some modems need a read before writing the firmware */
ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE),
buffer, 0x200, &actual_length, 2000);
if (ret < 0 && ret != -ETIMEDOUT)
usb_warn(usbatm, "%s: read BLOCK0 from modem failed (%d)!\n", __func__, ret);
else
usb_dbg(usbatm, "%s: BLOCK0 downloaded (%d bytes)\n", __func__, ret);
}
/* URB 8 : both leds are static green */
for (offset = 0; offset < fw1->size; offset += PAGE_SIZE) {
int thislen = min_t(int, PAGE_SIZE, fw1->size - offset);
memcpy(buffer, fw1->data + offset, thislen);
ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, ENDPOINT_FIRMWARE),
buffer, thislen, &actual_length, DATA_TIMEOUT);
if (ret < 0) {
usb_err(usbatm, "%s: write BLOCK1 to modem failed (%d)!\n", __func__, ret);
goto out_free;
}
usb_dbg(usbatm, "%s: BLOCK1 uploaded (%zu bytes)\n", __func__, fw1->size);
}
/* USB led blinking green, ADSL led off */
/* URB 11 */
ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE),
buffer, 0x200, &actual_length, DATA_TIMEOUT);
if (ret < 0) {
usb_err(usbatm, "%s: read BLOCK2 from modem failed (%d)!\n", __func__, ret);
goto out_free;
}
usb_dbg(usbatm, "%s: BLOCK2 downloaded (%d bytes)\n", __func__, actual_length);
/* URBs 12 to 139 - USB led blinking green, ADSL led off */
for (offset = 0; offset < fw2->size; offset += PAGE_SIZE) {
int thislen = min_t(int, PAGE_SIZE, fw2->size - offset);
memcpy(buffer, fw2->data + offset, thislen);
ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, ENDPOINT_FIRMWARE),
buffer, thislen, &actual_length, DATA_TIMEOUT);
if (ret < 0) {
usb_err(usbatm, "%s: write BLOCK3 to modem failed (%d)!\n", __func__, ret);
goto out_free;
}
}
usb_dbg(usbatm, "%s: BLOCK3 uploaded (%zu bytes)\n", __func__, fw2->size);
/* USB led static green, ADSL led static red */
/* URB 142 */
ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE),
buffer, 0x200, &actual_length, DATA_TIMEOUT);
if (ret < 0) {
usb_err(usbatm, "%s: read BLOCK4 from modem failed (%d)!\n", __func__, ret);
goto out_free;
}
/* success */
usb_dbg(usbatm, "%s: BLOCK4 downloaded (%d bytes)\n", __func__, actual_length);
/* Delay to allow firmware to start up. We can do this here
because we're in our own kernel thread anyway. */
msleep_interruptible(1000);
if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->altsetting)) < 0) {
usb_err(usbatm, "%s: setting interface to %d failed (%d)!\n", __func__, instance->altsetting, ret);
goto out_free;
}
/* Enable software buffering, if requested */
if (sw_buffering)
speedtch_set_swbuff(instance, 1);
/* Magic spell; don't ask us what this does */
speedtch_test_sequence(instance);
ret = 0;
out_free:
free_page((unsigned long)buffer);
out:
return ret;
}
static void speedtch_test_sequence(struct speedtch_instance_data *instance)
{
struct usbatm_data *usbatm = instance->usbatm;
struct usb_device *usb_dev = usbatm->usb_dev;
unsigned char *buf = instance->scratch_buffer;
int ret;
/* URB 147 */
buf[0] = 0x1c;
buf[1] = 0x50;
ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
0x01, 0x40, 0x0b, 0x00, buf, 2, CTRL_TIMEOUT);
if (ret < 0)
usb_warn(usbatm, "%s failed on URB147: %d\n", __func__, ret);
/* URB 148 */
buf[0] = 0x32;
buf[1] = 0x00;
ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
0x01, 0x40, 0x02, 0x00, buf, 2, CTRL_TIMEOUT);
if (ret < 0)
usb_warn(usbatm, "%s failed on URB148: %d\n", __func__, ret);
/* URB 149 */
buf[0] = 0x01;
buf[1] = 0x00;
buf[2] = 0x01;
ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
0x01, 0x40, 0x03, 0x00, buf, 3, CTRL_TIMEOUT);
if (ret < 0)
usb_warn(usbatm, "%s failed on URB149: %d\n", __func__, ret);
/* URB 150 */
buf[0] = 0x01;
buf[1] = 0x00;
buf[2] = 0x01;
ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
0x01, 0x40, 0x04, 0x00, buf, 3, CTRL_TIMEOUT);
if (ret < 0)
usb_warn(usbatm, "%s failed on URB150: %d\n", __func__, ret);
/* Extra initialisation in recent drivers - gives higher speeds */
/* URBext1 */
buf[0] = instance->params.ModemMode;
ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
0x01, 0x40, 0x11, 0x00, buf, 1, CTRL_TIMEOUT);
if (ret < 0)
usb_warn(usbatm, "%s failed on URBext1: %d\n", __func__, ret);
/* URBext2 */
/* This seems to be the one which actually triggers the higher sync
rate -- it does require the new firmware too, although it works OK
with older firmware */
ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
0x01, 0x40, 0x14, 0x00,
instance->params.ModemOption,
MODEM_OPTION_LENGTH, CTRL_TIMEOUT);
if (ret < 0)
usb_warn(usbatm, "%s failed on URBext2: %d\n", __func__, ret);
/* URBext3 */
buf[0] = instance->params.BMaxDSL & 0xff;
buf[1] = instance->params.BMaxDSL >> 8;
ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
0x01, 0x40, 0x12, 0x00, buf, 2, CTRL_TIMEOUT);
if (ret < 0)
usb_warn(usbatm, "%s failed on URBext3: %d\n", __func__, ret);
}