* authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
* Lukasz Majewski <l.majewski@samsung.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * Based on OpenMoko u-boot: drivers/usb/usbdfu.c
+ * (C) 2007 by OpenMoko, Inc.
+ * Author: Harald Welte <laforge@openmoko.org>
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * based on existing SAM7DFU code from OpenPCD:
+ * (C) Copyright 2006 by Harald Welte <hwelte at hmw-consulting.de>
*
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <errno.h>
/* Send/received block number is handy for data integrity check */
int blk_seq_num;
+ unsigned int poll_timeout;
};
typedef int (*dfu_state_fn) (struct f_dfu *,
NULL,
};
+static void dfu_set_poll_timeout(struct dfu_status *dstat, unsigned int ms)
+{
+ /*
+ * The bwPollTimeout DFU_GETSTATUS request payload provides information
+ * about minimum time, in milliseconds, that the host should wait before
+ * sending a subsequent DFU_GETSTATUS request
+ *
+ * This permits the device to vary the delay depending on its need to
+ * erase or program the memory
+ *
+ */
+
+ unsigned char *p = (unsigned char *)&ms;
+
+ if (!ms || (ms & ~DFU_POLL_TIMEOUT_MASK)) {
+ dstat->bwPollTimeout[0] = 0;
+ dstat->bwPollTimeout[1] = 0;
+ dstat->bwPollTimeout[2] = 0;
+
+ return;
+ }
+
+ dstat->bwPollTimeout[0] = *p++;
+ dstat->bwPollTimeout[1] = *p++;
+ dstat->bwPollTimeout[2] = *p;
+}
+
/*-------------------------------------------------------------------------*/
static void dnload_request_complete(struct usb_ep *ep, struct usb_request *req)
break;
}
+ dfu_set_poll_timeout(dstat, 0);
+
+ if (f_dfu->poll_timeout)
+ if (!(f_dfu->blk_seq_num %
+ (dfu_get_buf_size() / DFU_USB_BUFSIZ)))
+ dfu_set_poll_timeout(dstat, f_dfu->poll_timeout);
+
/* send status response */
dstat->bStatus = f_dfu->dfu_status;
- dstat->bwPollTimeout[0] = 0;
- dstat->bwPollTimeout[1] = 0;
- dstat->bwPollTimeout[2] = 0;
dstat->bState = f_dfu->dfu_state;
dstat->iString = 0;
}
{
f_dfu->usb_function.strings = dfu_strings;
f_dfu->usb_function.hs_descriptors = f_dfu->function;
+ f_dfu->dfu_state = DFU_STATE_dfuIDLE;
}
static inline void to_runtime_mode(struct f_dfu *f_dfu)
case USB_REQ_DFU_DETACH:
f_dfu->dfu_state = DFU_STATE_appDETACH;
to_dfu_mode(f_dfu);
- f_dfu->dfu_state = DFU_STATE_dfuIDLE;
value = RET_ZLP;
break;
default:
DFU_STATE_dfuMANIFEST_WAIT_RST;
to_runtime_mode(f_dfu);
f_dfu->dfu_state = DFU_STATE_appIDLE;
+
+ dfu_trigger_reset();
break;
default:
f_dfu->dfu_state = DFU_STATE_dfuERROR;
struct usb_interface_descriptor *d;
int i = 0;
- f_dfu->function = calloc(sizeof(struct usb_descriptor_header *), n);
+ f_dfu->function = calloc(sizeof(struct usb_descriptor_header *), n + 1);
if (!f_dfu->function)
goto enomem;
->iInterface = id;
}
+ to_dfu_mode(f_dfu);
+
stringtab_dfu.strings = f_dfu->strings;
cdev->req->context = f_dfu;
f_dfu->usb_function.unbind = dfu_unbind;
f_dfu->usb_function.set_alt = dfu_set_alt;
f_dfu->usb_function.disable = dfu_disable;
- f_dfu->usb_function.strings = dfu_generic_strings,
- f_dfu->usb_function.setup = dfu_handle,
+ f_dfu->usb_function.strings = dfu_generic_strings;
+ f_dfu->usb_function.setup = dfu_handle;
+ f_dfu->poll_timeout = DFU_DEFAULT_POLL_TIMEOUT;
status = usb_add_function(c, &f_dfu->usb_function);
if (status)