| 1 |
1bc85442
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(no author)
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/* AT91SAM7 USB interface code for OpenPCD
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| 2 |
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* (C) 2006 by Harald Welte <laforge@gnumonks.org>
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| 3 |
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*
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| 4 |
32985a29
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laforge
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* This program is free software; you can redistribute it and/or modify
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| 5 |
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* it under the terms of the GNU General Public License as published by
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| 6 |
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* the Free Software Foundation; either version 2 of the License, or
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| 7 |
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* (at your option) any later version.
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| 8 |
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*
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| 9 |
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* This program is distributed in the hope that it will be useful,
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| 10 |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 |
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* GNU General Public License for more details.
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| 13 |
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*
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| 14 |
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* You should have received a copy of the GNU General Public License
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| 15 |
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* along with this program; if not, write to the Free Software
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| 16 |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 17 |
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*
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| 18 |
1bc85442
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(no author)
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* based on existing AT91SAM7 UDP CDC ACM example code, licensed as followed:
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| 19 |
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*----------------------------------------------------------------------------
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| 20 |
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* ATMEL Microcontroller Software Support - ROUSSET -
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| 21 |
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*----------------------------------------------------------------------------
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| 22 |
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* The software is delivered "AS IS" without warranty or condition of any
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| 23 |
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* kind, either express, implied or statutory. This includes without
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| 24 |
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* limitation any warranty or condition with respect to merchantability or
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| 25 |
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* fitness for any particular purpose, or against the infringements of
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* intellectual property rights of others.
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| 27 |
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*----------------------------------------------------------------------------
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| 28 |
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*/
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| 29 |
f57b548d
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(no author)
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| 30 |
fa5c8c7c
|
(no author)
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#include <errno.h>
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| 31 |
9164ed93
|
(no author)
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#include <usb_ch9.h>
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| 32 |
1bc85442
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(no author)
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#include <sys/types.h>
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| 33 |
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#include <asm/atomic.h>
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| 34 |
9164ed93
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(no author)
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#include <lib_AT91SAM7.h>
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| 35 |
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#include <openpcd.h>
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| 36 |
174bf894
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(no author)
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| 37 |
89c40594
|
laforge
|
#include <usb_strings_app.h>
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| 38 |
5872753e
|
laforge
|
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| 39 |
520784c7
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(no author)
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#include <os/pcd_enumerate.h>
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| 40 |
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#include <os/req_ctx.h>
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| 41 |
a97e460b
|
laforge
|
#include <dfu/dfu.h>
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| 42 |
520784c7
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(no author)
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#include "../openpcd.h"
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| 43 |
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#include <os/dbgu.h>
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| 44 |
f57b548d
|
(no author)
|
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| 45 |
28eb4a57
|
laforge
|
#include "../config.h"
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| 46 |
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| 47 |
706ffa9f
|
laforge
|
//#define DEBUG_UDP_IRQ
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| 48 |
a914cae2
|
laforge
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//#define DEBUG_UDP_IRQ_IN
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| 49 |
706ffa9f
|
laforge
|
//#define DEBUG_UDP_IRQ_OUT
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| 50 |
f2349ebe
|
Harald Welte
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//#define DEBUG_UDP_EP0
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| 51 |
43d61cf0
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(no author)
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| 52 |
706ffa9f
|
laforge
|
#ifdef DEBUG_UDP_IRQ
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| 53 |
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#define DEBUGI(x, args ...) DEBUGP(x, ## args)
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#else
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#define DEBUGI(x, args ...) do { } while (0)
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| 56 |
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#endif
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| 57 |
2858e795
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(no author)
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| 58 |
706ffa9f
|
laforge
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#ifdef DEBUG_UDP_IRQ_IN
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#define DEBUGII(x, args ...) DEBUGP(x, ## args)
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#else
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| 61 |
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#define DEBUGII(x, args ...) do { } while (0)
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| 62 |
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#endif
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| 63 |
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| 64 |
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#ifdef DEBUG_UDP_IRQ_OUT
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| 65 |
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#define DEBUGIO(x, args ...) DEBUGP(x, ## args)
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#else
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#define DEBUGIO(x, args ...) do { } while (0)
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| 68 |
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#endif
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| 69 |
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| 70 |
28eb4a57
|
laforge
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#ifdef DEBUG_UDP_EP0
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#define DEBUGE(x, args ...) DEBUGP(x, ## args)
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#else
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#define DEBUGE(x, args ...) do { } while (0)
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#endif
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| 75 |
706ffa9f
|
laforge
|
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| 76 |
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#define CONFIG_DFU
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| 77 |
1bc85442
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(no author)
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| 78 |
b0317c72
|
(no author)
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#ifdef CONFIG_DFU
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static const struct dfuapi *dfu = DFU_API_LOCATION;
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| 80 |
a97e460b
|
laforge
|
#define udp_init dfu->udp_init
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| 81 |
dd88fde8
|
Harald Welte
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#define udp_ep0_send_data dfu->ep0_send_data
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| 82 |
b0317c72
|
(no author)
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#define udp_ep0_send_zlp dfu->ep0_send_zlp
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| 83 |
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#define udp_ep0_send_stall dfu->ep0_send_stall
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| 84 |
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#else
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| 85 |
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#error non-DFU builds currently not supported (yet) again
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| 86 |
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#endif
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| 87 |
1bc85442
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(no author)
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| 88 |
4dc2cb5b
|
laforge
|
#ifdef CONFIG_USB_HID
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| 89 |
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#include "usb_descriptors_hid.h"
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| 90 |
28eb4a57
|
laforge
|
#else
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| 91 |
4dc2cb5b
|
laforge
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#include "usb_descriptors_openpcd.h"
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| 92 |
28eb4a57
|
laforge
|
#endif
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| 93 |
f57b548d
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(no author)
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| 94 |
4dc2cb5b
|
laforge
|
static struct udp_pcd upcd;
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| 95 |
f57b548d
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(no author)
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| 96 |
706ffa9f
|
laforge
|
struct epstate {
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| 97 |
373c172a
|
Harald Welte
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uint32_t state_busy;
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| 98 |
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uint32_t state_pending;
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| 99 |
706ffa9f
|
laforge
|
};
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| 100 |
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| 101 |
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static const struct epstate epstate[] = {
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| 102 |
3b7035dc
|
Min Xu
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[0] = { .state_busy = RCTX_STATE_UDP_EP0_BUSY,
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| 103 |
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.state_pending = RCTX_STATE_UDP_EP0_PENDING },
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| 104 |
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[1] = { .state_busy = RCTX_STATE_UDP_EP1_BUSY,
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| 105 |
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.state_pending = RCTX_STATE_UDP_EP1_PENDING },
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| 106 |
706ffa9f
|
laforge
|
[2] = { .state_busy = RCTX_STATE_UDP_EP2_BUSY,
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| 107 |
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.state_pending = RCTX_STATE_UDP_EP2_PENDING },
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| 108 |
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[3] = { .state_busy = RCTX_STATE_UDP_EP3_BUSY,
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| 109 |
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.state_pending = RCTX_STATE_UDP_EP3_PENDING },
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| 110 |
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};
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| 111 |
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| 112 |
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static void reset_ep(unsigned int ep)
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| 113 |
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{
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| 114 |
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AT91PS_UDP pUDP = upcd.pUdp;
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| 115 |
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struct req_ctx *rctx;
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| 116 |
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| 117 |
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atomic_set(&upcd.ep[ep].pkts_in_transit, 0);
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| 118 |
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| 119 |
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/* free all currently transmitting contexts */
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| 120 |
9f45ae4e
|
laforge
|
while ((rctx = req_ctx_find_get(0, epstate[ep].state_busy,
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| 121 |
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RCTX_STATE_FREE))) {}
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| 122 |
e9902c56
|
laforge
|
/* free all currently pending contexts */
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| 123 |
9f45ae4e
|
laforge
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while ((rctx = req_ctx_find_get(0, epstate[ep].state_pending,
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| 124 |
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RCTX_STATE_FREE))) {}
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| 125 |
706ffa9f
|
laforge
|
|
| 126 |
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pUDP->UDP_RSTEP |= (1 << ep);
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| 127 |
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pUDP->UDP_RSTEP &= ~(1 << ep);
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| 128 |
4b98ba5d
|
Min Xu
|
pUDP->UDP_CSR[ep] = AT91C_UDP_EPEDS;
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| 129 |
706ffa9f
|
laforge
|
|
| 130 |
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upcd.ep[ep].incomplete.rctx = NULL;
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| 131 |
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}
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| 132 |
f57b548d
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(no author)
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| 133 |
caf50003
|
(no author)
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static void udp_ep0_handler(void);
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| 134 |
a5a204c6
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(no author)
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| 135 |
fa5c8c7c
|
(no author)
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void udp_unthrottle(void)
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| 136 |
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{
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| 137 |
1bc85442
|
(no author)
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AT91PS_UDP pUDP = upcd.pUdp;
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| 138 |
fa5c8c7c
|
(no author)
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pUDP->UDP_IER = AT91C_UDP_EPINT1;
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| 139 |
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}
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| 140 |
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| 141 |
e39637e1
|
Min Xu
|
int udp_refill_ep(int ep)
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| 142 |
fa5c8c7c
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(no author)
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{
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| 143 |
373c172a
|
Harald Welte
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uint16_t i;
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| 144 |
1bc85442
|
(no author)
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AT91PS_UDP pUDP = upcd.pUdp;
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| 145 |
514b0f72
|
laforge
|
struct req_ctx *rctx;
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| 146 |
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unsigned int start, end;
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| 147 |
fa5c8c7c
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(no author)
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| 148 |
514b0f72
|
laforge
|
/* If we're not configured by the host yet, there is no point
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| 149 |
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* in trying to send data to it... */
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| 150 |
706ffa9f
|
laforge
|
if (!upcd.cur_config) {
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| 151 |
cc0a7ad6
|
(no author)
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return -ENXIO;
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| 152 |
706ffa9f
|
laforge
|
}
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| 153 |
cc0a7ad6
|
(no author)
|
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| 154 |
514b0f72
|
laforge
|
/* If there are already two packets in transit, the DPR of
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| 155 |
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* the SAM7 UDC doesn't have space for more data */
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| 156 |
e39637e1
|
Min Xu
|
if (atomic_read(&upcd.ep[ep].pkts_in_transit) == 2)
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| 157 |
fa5c8c7c
|
(no author)
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return -EBUSY;
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| 158 |
e39637e1
|
Min Xu
|
|
| 159 |
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/* disable endpoint interrup */
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| 160 |
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pUDP->UDP_IDR |= 1 << ep;
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| 161 |
514b0f72
|
laforge
|
|
| 162 |
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/* If we have an incompletely-transmitted req_ctx (>EP size),
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| 163 |
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* we need to transmit the rest and finish the transaction */
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| 164 |
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if (upcd.ep[ep].incomplete.rctx) {
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| 165 |
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rctx = upcd.ep[ep].incomplete.rctx;
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| 166 |
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start = upcd.ep[ep].incomplete.bytes_sent;
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| 167 |
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} else {
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| 168 |
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/* get pending rctx and start transmitting from zero */
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| 169 |
706ffa9f
|
laforge
|
rctx = req_ctx_find_get(0, epstate[ep].state_pending,
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| 170 |
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epstate[ep].state_busy);
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| 171 |
e39637e1
|
Min Xu
|
if (!rctx) {
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| 172 |
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/* re-enable endpoint interrupt */
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| 173 |
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pUDP->UDP_IER |= 1 << ep;
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| 174 |
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return 0;
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| 175 |
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}
|
| 176 |
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if (rctx->tot_len == 0) {
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| 177 |
|
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/* re-enable endpoint interrupt */
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| 178 |
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pUDP->UDP_IER |= 1 << ep;
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| 179 |
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req_ctx_put(rctx);
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| 180 |
514b0f72
|
laforge
|
return 0;
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| 181 |
e39637e1
|
Min Xu
|
}
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| 182 |
3cd467a8
|
Min Xu
|
DEBUGPCR("USBT(D=%08X, L=%04u, P=$02u) H4/T4: %02X %02X %02X %02X / %02X %02X %02X %02X",
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| 183 |
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rctx->data, rctx->tot_len, req_ctx_count(epstate[ep].state_pending),
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| 184 |
e39637e1
|
Min Xu
|
rctx->data[4], rctx->data[5], rctx->data[6], rctx->data[7],
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| 185 |
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rctx->data[rctx->tot_len - 4], rctx->data[rctx->tot_len - 3],
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| 186 |
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rctx->data[rctx->tot_len - 2], rctx->data[rctx->tot_len - 1]);
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| 187 |
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| 188 |
514b0f72
|
laforge
|
start = 0;
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| 189 |
706ffa9f
|
laforge
|
|
| 190 |
|
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upcd.ep[ep].incomplete.bytes_sent = 0;
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| 191 |
514b0f72
|
laforge
|
}
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| 192 |
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| 193 |
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if (rctx->tot_len - start <= AT91C_EP_IN_SIZE)
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| 194 |
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end = rctx->tot_len;
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| 195 |
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else
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| 196 |
706ffa9f
|
laforge
|
end = start + AT91C_EP_IN_SIZE;
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| 197 |
514b0f72
|
laforge
|
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| 198 |
fa5c8c7c
|
(no author)
|
/* fill FIFO/DPR */
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| 199 |
514b0f72
|
laforge
|
for (i = start; i < end; i++)
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| 200 |
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pUDP->UDP_FDR[ep] = rctx->data[i];
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| 201 |
fa5c8c7c
|
(no author)
|
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| 202 |
cc0a7ad6
|
(no author)
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if (atomic_inc_return(&upcd.ep[ep].pkts_in_transit) == 1) {
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| 203 |
|
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/* not been transmitting before, start transmit */
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| 204 |
fa5c8c7c
|
(no author)
|
pUDP->UDP_CSR[ep] |= AT91C_UDP_TXPKTRDY;
|
| 205 |
|
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}
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| 206 |
cc0a7ad6
|
(no author)
|
|
| 207 |
e39637e1
|
Min Xu
|
if (end == rctx->tot_len) {
|
| 208 |
706ffa9f
|
laforge
|
/* CASE 1: return context to pool, if
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| 209 |
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* - packet transfer < AT91C_EP_OUT_SIZE
|
| 210 |
|
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* - after ZLP of transfer == AT91C_EP_OUT_SIZE
|
| 211 |
|
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* - after ZLP of transfer % AT91C_EP_OUT_SIZE == 0
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| 212 |
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* - after last packet of transfer % AT91C_EP_OUT_SIZE != 0
|
| 213 |
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*/
|
| 214 |
|
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upcd.ep[ep].incomplete.rctx = NULL;
|
| 215 |
|
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req_ctx_put(rctx);
|
| 216 |
|
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} else {
|
| 217 |
|
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/* CASE 2: mark transfer as incomplete, if
|
| 218 |
|
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* - after data of transfer == AT91C_EP_OUT_SIZE
|
| 219 |
|
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* - after data of transfer > AT91C_EP_OUT_SIZE
|
| 220 |
|
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* - after last packet of transfer % AT91C_EP_OUT_SIZE == 0
|
| 221 |
e39637e1
|
Min Xu
|
*/
|
| 222 |
706ffa9f
|
laforge
|
upcd.ep[ep].incomplete.rctx = rctx;
|
| 223 |
|
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upcd.ep[ep].incomplete.bytes_sent += end - start;
|
| 224 |
|
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}
|
| 225 |
fa5c8c7c
|
(no author)
|
|
| 226 |
e39637e1
|
Min Xu
|
/* re-enable endpoint interrupt */
|
| 227 |
|
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pUDP->UDP_IER |= 1 << ep;
|
| 228 |
fa5c8c7c
|
(no author)
|
|
| 229 |
e39637e1
|
Min Xu
|
return 1;
|
| 230 |
706ffa9f
|
laforge
|
}
|
| 231 |
2858e795
|
(no author)
|
|
| 232 |
0d69fadb
|
laforge
|
static void udp_irq(void)
|
| 233 |
f7d6875c
|
(no author)
|
{
|
| 234 |
373c172a
|
Harald Welte
|
uint32_t csr;
|
| 235 |
1bc85442
|
(no author)
|
AT91PS_UDP pUDP = upcd.pUdp;
|
| 236 |
f7d6875c
|
(no author)
|
AT91_REG isr = pUDP->UDP_ISR;
|
| 237 |
|
|
|
| 238 |
9f45ae4e
|
laforge
|
DEBUGI("udp_irq(imr=0x%04x, isr=0x%04x, state=%d): ",
|
| 239 |
|
|
pUDP->UDP_IMR, isr, upcd.state);
|
| 240 |
a5a204c6
|
(no author)
|
|
| 241 |
f7d6875c
|
(no author)
|
if (isr & AT91C_UDP_ENDBUSRES) {
|
| 242 |
2858e795
|
(no author)
|
DEBUGI("ENDBUSRES ");
|
| 243 |
f7d6875c
|
(no author)
|
pUDP->UDP_ICR = AT91C_UDP_ENDBUSRES;
|
| 244 |
a5a204c6
|
(no author)
|
pUDP->UDP_IER = AT91C_UDP_EPINT0;
|
| 245 |
4b98ba5d
|
Min Xu
|
reset_ep(0);
|
| 246 |
|
|
reset_ep(1);
|
| 247 |
|
|
reset_ep(2);
|
| 248 |
|
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reset_ep(3);
|
| 249 |
|
|
|
| 250 |
1bc85442
|
(no author)
|
/* Enable the function */
|
| 251 |
f7d6875c
|
(no author)
|
pUDP->UDP_FADDR = AT91C_UDP_FEN;
|
| 252 |
4b98ba5d
|
Min Xu
|
|
| 253 |
1bc85442
|
(no author)
|
/* Configure endpoint 0 */
|
| 254 |
f7d6875c
|
(no author)
|
pUDP->UDP_CSR[0] = (AT91C_UDP_EPEDS | AT91C_UDP_EPTYPE_CTRL);
|
| 255 |
1bc85442
|
(no author)
|
upcd.cur_config = 0;
|
| 256 |
9f45ae4e
|
laforge
|
upcd.state = USB_STATE_DEFAULT;
|
| 257 |
43d61cf0
|
(no author)
|
|
| 258 |
b0317c72
|
(no author)
|
#ifdef CONFIG_DFU
|
| 259 |
|
|
if (*dfu->dfu_state == DFU_STATE_appDETACH) {
|
| 260 |
9f45ae4e
|
laforge
|
DEBUGI("DFU_SWITCH ");
|
| 261 |
43d61cf0
|
(no author)
|
/* now we need to switch to DFU mode */
|
| 262 |
b0317c72
|
(no author)
|
dfu->dfu_switch();
|
| 263 |
706ffa9f
|
laforge
|
goto out;
|
| 264 |
43d61cf0
|
(no author)
|
}
|
| 265 |
b0317c72
|
(no author)
|
#endif
|
| 266 |
f7d6875c
|
(no author)
|
}
|
| 267 |
|
|
|
| 268 |
|
|
if (isr & AT91C_UDP_EPINT0) {
|
| 269 |
2858e795
|
(no author)
|
DEBUGI("EP0INT(Control) ");
|
| 270 |
caf50003
|
(no author)
|
udp_ep0_handler();
|
| 271 |
f7d6875c
|
(no author)
|
}
|
| 272 |
|
|
if (isr & AT91C_UDP_EPINT1) {
|
| 273 |
373c172a
|
Harald Welte
|
uint32_t cur_rcv_bank = upcd.cur_rcv_bank;
|
| 274 |
|
|
uint16_t i, pkt_size;
|
| 275 |
706ffa9f
|
laforge
|
struct req_ctx *rctx;
|
| 276 |
|
|
|
| 277 |
a5a204c6
|
(no author)
|
csr = pUDP->UDP_CSR[1];
|
| 278 |
706ffa9f
|
laforge
|
pkt_size = csr >> 16;
|
| 279 |
|
|
|
| 280 |
2858e795
|
(no author)
|
DEBUGI("EP1INT(Out, CSR=0x%08x) ", csr);
|
| 281 |
5f148f59
|
(no author)
|
if (cur_rcv_bank == AT91C_UDP_RX_DATA_BK1)
|
| 282 |
706ffa9f
|
laforge
|
DEBUGIO("cur_bank=1 ");
|
| 283 |
5f148f59
|
(no author)
|
else if (cur_rcv_bank == AT91C_UDP_RX_DATA_BK0)
|
| 284 |
706ffa9f
|
laforge
|
DEBUGIO("cur_bank=0 ");
|
| 285 |
5f148f59
|
(no author)
|
else
|
| 286 |
706ffa9f
|
laforge
|
DEBUGIO("cur_bank INVALID ");
|
| 287 |
5f148f59
|
(no author)
|
|
| 288 |
|
|
if (csr & AT91C_UDP_RX_DATA_BK1)
|
| 289 |
706ffa9f
|
laforge
|
DEBUGIO("BANK1 ");
|
| 290 |
5f148f59
|
(no author)
|
if (csr & AT91C_UDP_RX_DATA_BK0)
|
| 291 |
706ffa9f
|
laforge
|
DEBUGIO("BANK0 ");
|
| 292 |
a5a204c6
|
(no author)
|
|
| 293 |
706ffa9f
|
laforge
|
if (!(csr & cur_rcv_bank))
|
| 294 |
|
|
goto cont_ep2;
|
| 295 |
|
|
|
| 296 |
|
|
if (upcd.ep[1].incomplete.rctx) {
|
| 297 |
|
|
DEBUGIO("continue_incompl_RCTX ");
|
| 298 |
|
|
rctx = upcd.ep[1].incomplete.rctx;
|
| 299 |
|
|
} else {
|
| 300 |
|
|
/* allocate new req_ctx */
|
| 301 |
|
|
DEBUGIO("alloc_new_RCTX ");
|
| 302 |
|
|
|
| 303 |
|
|
/* whether to get a big or a small req_ctx */
|
| 304 |
|
|
if (pkt_size >= AT91C_EP_IN_SIZE)
|
| 305 |
|
|
rctx = req_ctx_find_get(1, RCTX_STATE_FREE,
|
| 306 |
|
|
RCTX_STATE_UDP_RCV_BUSY);
|
| 307 |
|
|
else
|
| 308 |
|
|
rctx = req_ctx_find_get(0, RCTX_STATE_FREE,
|
| 309 |
514b0f72
|
laforge
|
RCTX_STATE_UDP_RCV_BUSY);
|
| 310 |
5f148f59
|
(no author)
|
|
| 311 |
706ffa9f
|
laforge
|
if (!rctx) {
|
| 312 |
fa5c8c7c
|
(no author)
|
/* disable interrupts for now */
|
| 313 |
|
|
pUDP->UDP_IDR = AT91C_UDP_EPINT1;
|
| 314 |
|
|
DEBUGP("NO_RCTX_AVAIL! ");
|
| 315 |
706ffa9f
|
laforge
|
goto cont_ep2;
|
| 316 |
fa5c8c7c
|
(no author)
|
}
|
| 317 |
706ffa9f
|
laforge
|
rctx->tot_len = 0;
|
| 318 |
|
|
}
|
| 319 |
|
|
DEBUGIO("RCTX=%u ", req_ctx_num(rctx));
|
| 320 |
|
|
|
| 321 |
|
|
if (rctx->size - rctx->tot_len < pkt_size) {
|
| 322 |
|
|
DEBUGIO("RCTX too small, truncating !!!\n");
|
| 323 |
|
|
pkt_size = rctx->size - rctx->tot_len;
|
| 324 |
|
|
}
|
| 325 |
|
|
|
| 326 |
|
|
for (i = 0; i < pkt_size; i++)
|
| 327 |
|
|
rctx->data[rctx->tot_len++] = pUDP->UDP_FDR[1];
|
| 328 |
|
|
|
| 329 |
|
|
pUDP->UDP_CSR[1] &= ~cur_rcv_bank;
|
| 330 |
|
|
|
| 331 |
|
|
/* toggle current receive bank */
|
| 332 |
|
|
if (cur_rcv_bank == AT91C_UDP_RX_DATA_BK0)
|
| 333 |
|
|
cur_rcv_bank = AT91C_UDP_RX_DATA_BK1;
|
| 334 |
|
|
else
|
| 335 |
|
|
cur_rcv_bank = AT91C_UDP_RX_DATA_BK0;
|
| 336 |
|
|
upcd.cur_rcv_bank = cur_rcv_bank;
|
| 337 |
|
|
|
| 338 |
|
|
DEBUGIO("rctxdump(%s) ", hexdump(rctx->data, rctx->tot_len));
|
| 339 |
|
|
|
| 340 |
|
|
/* if this is the last packet in transfer, hand rctx up the
|
| 341 |
|
|
* stack */
|
| 342 |
|
|
if (pkt_size < AT91C_EP_IN_SIZE) {
|
| 343 |
|
|
DEBUGIO("RCTX_rx_done ");
|
| 344 |
|
|
req_ctx_set_state(rctx, RCTX_STATE_UDP_RCV_DONE);
|
| 345 |
|
|
upcd.ep[1].incomplete.rctx = NULL;
|
| 346 |
|
|
} else {
|
| 347 |
|
|
DEBUGIO("RCTX_rx_cont ");
|
| 348 |
|
|
upcd.ep[1].incomplete.rctx = rctx;
|
| 349 |
a5a204c6
|
(no author)
|
}
|
| 350 |
f7d6875c
|
(no author)
|
}
|
| 351 |
706ffa9f
|
laforge
|
cont_ep2:
|
| 352 |
f7d6875c
|
(no author)
|
if (isr & AT91C_UDP_EPINT2) {
|
| 353 |
a5a204c6
|
(no author)
|
csr = pUDP->UDP_CSR[2];
|
| 354 |
2858e795
|
(no author)
|
DEBUGI("EP2INT(In, CSR=0x%08x) ", csr);
|
| 355 |
fa5c8c7c
|
(no author)
|
if (csr & AT91C_UDP_TXCOMP) {
|
| 356 |
706ffa9f
|
laforge
|
DEBUGII("ACK_TX_COMP ");
|
| 357 |
fa5c8c7c
|
(no author)
|
/* acknowledge TX completion */
|
| 358 |
|
|
pUDP->UDP_CSR[2] &= ~AT91C_UDP_TXCOMP;
|
| 359 |
|
|
while (pUDP->UDP_CSR[2] & AT91C_UDP_TXCOMP) ;
|
| 360 |
|
|
|
| 361 |
|
|
/* if we already have another packet in DPR, send it */
|
| 362 |
1bc85442
|
(no author)
|
if (atomic_dec_return(&upcd.ep[2].pkts_in_transit) == 1)
|
| 363 |
fa5c8c7c
|
(no author)
|
pUDP->UDP_CSR[2] |= AT91C_UDP_TXPKTRDY;
|
| 364 |
|
|
|
| 365 |
e39637e1
|
Min Xu
|
udp_refill_ep(2);
|
| 366 |
fa5c8c7c
|
(no author)
|
}
|
| 367 |
f7d6875c
|
(no author)
|
}
|
| 368 |
a5a204c6
|
(no author)
|
if (isr & AT91C_UDP_EPINT3) {
|
| 369 |
|
|
csr = pUDP->UDP_CSR[3];
|
| 370 |
706ffa9f
|
laforge
|
DEBUGII("EP3INT(Interrupt, CSR=0x%08x) ", csr);
|
| 371 |
fa5c8c7c
|
(no author)
|
/* Transmit has completed, re-fill from pending rcts for EP3 */
|
| 372 |
514b0f72
|
laforge
|
if (csr & AT91C_UDP_TXCOMP) {
|
| 373 |
|
|
pUDP->UDP_CSR[3] &= ~AT91C_UDP_TXCOMP;
|
| 374 |
|
|
while (pUDP->UDP_CSR[3] & AT91C_UDP_TXCOMP) ;
|
| 375 |
a5a204c6
|
(no author)
|
|
| 376 |
514b0f72
|
laforge
|
/* if we already have another packet in DPR, send it */
|
| 377 |
|
|
if (atomic_dec_return(&upcd.ep[3].pkts_in_transit) == 1)
|
| 378 |
|
|
pUDP->UDP_CSR[3] |= AT91C_UDP_TXPKTRDY;
|
| 379 |
|
|
|
| 380 |
e39637e1
|
Min Xu
|
udp_refill_ep(3);
|
| 381 |
514b0f72
|
laforge
|
}
|
| 382 |
|
|
}
|
| 383 |
a5a204c6
|
(no author)
|
if (isr & AT91C_UDP_RXSUSP) {
|
| 384 |
|
|
pUDP->UDP_ICR = AT91C_UDP_RXSUSP;
|
| 385 |
2858e795
|
(no author)
|
DEBUGI("RXSUSP ");
|
| 386 |
7d1d85c0
|
laforge
|
#ifdef CONFIG_USB_SUSPEND
|
| 387 |
|
|
upcd.state = USB_STATE_SUSPENDED;
|
| 388 |
|
|
/* FIXME: implement suspend/resume correctly. This
|
| 389 |
|
|
* involves saving the pre-suspend state, and calling back
|
| 390 |
|
|
* into the main application program to ask it to power down
|
| 391 |
|
|
* all peripherals, switching to slow clock, ... */
|
| 392 |
|
|
#endif
|
| 393 |
a5a204c6
|
(no author)
|
}
|
| 394 |
|
|
if (isr & AT91C_UDP_RXRSM) {
|
| 395 |
|
|
pUDP->UDP_ICR = AT91C_UDP_RXRSM;
|
| 396 |
2858e795
|
(no author)
|
DEBUGI("RXRSM ");
|
| 397 |
7d1d85c0
|
laforge
|
#ifdef CONFIG_USB_SUSPEND
|
| 398 |
|
|
if (upcd.state == USB_STATE_SUSPENDED)
|
| 399 |
|
|
upcd.state = USB_STATE_CONFIGURED;
|
| 400 |
fa5c8c7c
|
(no author)
|
/* FIXME: implement suspend/resume */
|
| 401 |
7d1d85c0
|
laforge
|
#endif
|
| 402 |
a5a204c6
|
(no author)
|
}
|
| 403 |
|
|
if (isr & AT91C_UDP_EXTRSM) {
|
| 404 |
|
|
pUDP->UDP_ICR = AT91C_UDP_EXTRSM;
|
| 405 |
2858e795
|
(no author)
|
DEBUGI("EXTRSM ");
|
| 406 |
fa5c8c7c
|
(no author)
|
/* FIXME: implement suspend/resume */
|
| 407 |
a5a204c6
|
(no author)
|
}
|
| 408 |
|
|
if (isr & AT91C_UDP_SOFINT) {
|
| 409 |
|
|
pUDP->UDP_ICR = AT91C_UDP_SOFINT;
|
| 410 |
2858e795
|
(no author)
|
DEBUGI("SOFINT ");
|
| 411 |
a5a204c6
|
(no author)
|
}
|
| 412 |
|
|
if (isr & AT91C_UDP_WAKEUP) {
|
| 413 |
|
|
pUDP->UDP_ICR = AT91C_UDP_WAKEUP;
|
| 414 |
2858e795
|
(no author)
|
DEBUGI("WAKEUP ");
|
| 415 |
a5a204c6
|
(no author)
|
}
|
| 416 |
706ffa9f
|
laforge
|
out:
|
| 417 |
2858e795
|
(no author)
|
DEBUGI("END\r\n");
|
| 418 |
9d0d7022
|
(no author)
|
AT91F_AIC_ClearIt(AT91C_BASE_AIC, AT91C_ID_UDP);
|
| 419 |
f7d6875c
|
(no author)
|
}
|
| 420 |
f57b548d
|
(no author)
|
|
| 421 |
d1dd3611
|
laforge
|
void udp_pullup_on(void)
|
| 422 |
|
|
{
|
| 423 |
28eb4a57
|
laforge
|
#ifdef PCD
|
| 424 |
6c6b1878
|
laforge
|
AT91F_PIO_SetOutput(AT91C_BASE_PIOA, OPENPCD_PIO_UDP_PUP);
|
| 425 |
28eb4a57
|
laforge
|
#endif
|
| 426 |
6c6b1878
|
laforge
|
AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, OPENPCD_PIO_UDP_PUPv4);
|
| 427 |
d1dd3611
|
laforge
|
}
|
| 428 |
|
|
|
| 429 |
|
|
void udp_pullup_off(void)
|
| 430 |
|
|
{
|
| 431 |
28eb4a57
|
laforge
|
#ifdef PCD
|
| 432 |
6c6b1878
|
laforge
|
AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, OPENPCD_PIO_UDP_PUP);
|
| 433 |
28eb4a57
|
laforge
|
#endif
|
| 434 |
6c6b1878
|
laforge
|
AT91F_PIO_SetOutput(AT91C_BASE_PIOA, OPENPCD_PIO_UDP_PUPv4);
|
| 435 |
d1dd3611
|
laforge
|
}
|
| 436 |
|
|
|
| 437 |
caf50003
|
(no author)
|
/* Open USB Device Port */
|
| 438 |
b0317c72
|
(no author)
|
void udp_open(void)
|
| 439 |
f57b548d
|
(no author)
|
{
|
| 440 |
caf50003
|
(no author)
|
DEBUGPCRF("entering");
|
| 441 |
a97e460b
|
laforge
|
udp_init();
|
| 442 |
b0317c72
|
(no author)
|
upcd.pUdp = AT91C_BASE_UDP;
|
| 443 |
1bc85442
|
(no author)
|
upcd.cur_config = 0;
|
| 444 |
|
|
upcd.cur_rcv_bank = AT91C_UDP_RX_DATA_BK0;
|
| 445 |
9f45ae4e
|
laforge
|
/* This should start with USB_STATE_NOTATTACHED, but we're a pure
|
| 446 |
|
|
* bus powered device and thus start with powered */
|
| 447 |
|
|
upcd.state = USB_STATE_POWERED;
|
| 448 |
b0317c72
|
(no author)
|
|
| 449 |
327d426e
|
(no author)
|
AT91F_AIC_ConfigureIt(AT91C_BASE_AIC, AT91C_ID_UDP,
|
| 450 |
|
|
OPENPCD_IRQ_PRIO_UDP,
|
| 451 |
9f45ae4e
|
laforge
|
AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL, &udp_irq);
|
| 452 |
f7d6875c
|
(no author)
|
AT91F_AIC_EnableIt(AT91C_BASE_AIC, AT91C_ID_UDP);
|
| 453 |
|
|
|
| 454 |
|
|
/* End-of-Bus-Reset is always enabled */
|
| 455 |
|
|
|
| 456 |
84f258ce
|
(no author)
|
/* Set the Pull up resistor */
|
| 457 |
d1dd3611
|
laforge
|
udp_pullup_on();
|
| 458 |
caf50003
|
(no author)
|
}
|
| 459 |
f57b548d
|
(no author)
|
|
| 460 |
43d61cf0
|
(no author)
|
void udp_reset(void)
|
| 461 |
f57b548d
|
(no author)
|
{
|
| 462 |
43d61cf0
|
(no author)
|
volatile int i;
|
| 463 |
f57b548d
|
(no author)
|
|
| 464 |
d1dd3611
|
laforge
|
udp_pullup_off();
|
| 465 |
43d61cf0
|
(no author)
|
for (i = 0; i < 0xffff; i++)
|
| 466 |
|
|
;
|
| 467 |
d1dd3611
|
laforge
|
udp_pullup_on();
|
| 468 |
f57b548d
|
(no author)
|
}
|
| 469 |
|
|
|
| 470 |
caf50003
|
(no author)
|
/* Handle requests on the USB Control Endpoint */
|
| 471 |
|
|
static void udp_ep0_handler(void)
|
| 472 |
f57b548d
|
(no author)
|
{
|
| 473 |
1bc85442
|
(no author)
|
AT91PS_UDP pUDP = upcd.pUdp;
|
| 474 |
373c172a
|
Harald Welte
|
uint8_t bmRequestType, bRequest;
|
| 475 |
|
|
uint16_t wValue, wIndex, wLength, wStatus;
|
| 476 |
|
|
uint32_t csr = pUDP->UDP_CSR[0];
|
| 477 |
fa5c8c7c
|
(no author)
|
|
| 478 |
cc0a7ad6
|
(no author)
|
DEBUGE("CSR=0x%04x ", csr);
|
| 479 |
f57b548d
|
(no author)
|
|
| 480 |
fa5c8c7c
|
(no author)
|
if (csr & AT91C_UDP_STALLSENT) {
|
| 481 |
cc0a7ad6
|
(no author)
|
DEBUGE("ACK_STALLSENT ");
|
| 482 |
fa5c8c7c
|
(no author)
|
pUDP->UDP_CSR[0] = ~AT91C_UDP_STALLSENT;
|
| 483 |
|
|
}
|
| 484 |
|
|
|
| 485 |
|
|
if (csr & AT91C_UDP_RX_DATA_BK0) {
|
| 486 |
cc0a7ad6
|
(no author)
|
DEBUGE("ACK_BANK0 ");
|
| 487 |
0ba41a67
|
(no author)
|
pUDP->UDP_CSR[0] &= ~AT91C_UDP_RX_DATA_BK0;
|
| 488 |
fa5c8c7c
|
(no author)
|
}
|
| 489 |
|
|
|
| 490 |
|
|
if (!(csr & AT91C_UDP_RXSETUP)) {
|
| 491 |
cc0a7ad6
|
(no author)
|
DEBUGE("no setup packet ");
|
| 492 |
|
|
return;
|
| 493 |
|
|
}
|
| 494 |
|
|
|
| 495 |
|
|
DEBUGE("len=%d ", csr >> 16);
|
| 496 |
|
|
if (csr >> 16 == 0) {
|
| 497 |
|
|
DEBUGE("empty packet ");
|
| 498 |
f57b548d
|
(no author)
|
return;
|
| 499 |
a5a204c6
|
(no author)
|
}
|
| 500 |
f57b548d
|
(no author)
|
|
| 501 |
|
|
bmRequestType = pUDP->UDP_FDR[0];
|
| 502 |
|
|
bRequest = pUDP->UDP_FDR[0];
|
| 503 |
|
|
wValue = (pUDP->UDP_FDR[0] & 0xFF);
|
| 504 |
|
|
wValue |= (pUDP->UDP_FDR[0] << 8);
|
| 505 |
|
|
wIndex = (pUDP->UDP_FDR[0] & 0xFF);
|
| 506 |
|
|
wIndex |= (pUDP->UDP_FDR[0] << 8);
|
| 507 |
|
|
wLength = (pUDP->UDP_FDR[0] & 0xFF);
|
| 508 |
|
|
wLength |= (pUDP->UDP_FDR[0] << 8);
|
| 509 |
|
|
|
| 510 |
cc0a7ad6
|
(no author)
|
DEBUGE("bmRequestType=0x%2x ", bmRequestType);
|
| 511 |
|
|
|
| 512 |
f57b548d
|
(no author)
|
if (bmRequestType & 0x80) {
|
| 513 |
cc0a7ad6
|
(no author)
|
DEBUGE("DATA_IN=1 ");
|
| 514 |
f57b548d
|
(no author)
|
pUDP->UDP_CSR[0] |= AT91C_UDP_DIR;
|
| 515 |
|
|
while (!(pUDP->UDP_CSR[0] & AT91C_UDP_DIR)) ;
|
| 516 |
|
|
}
|
| 517 |
|
|
pUDP->UDP_CSR[0] &= ~AT91C_UDP_RXSETUP;
|
| 518 |
|
|
while ((pUDP->UDP_CSR[0] & AT91C_UDP_RXSETUP)) ;
|
| 519 |
|
|
|
| 520 |
514b0f72
|
laforge
|
DEBUGE("dfu_state = %u ", *dfu->dfu_state);
|
| 521 |
1bc85442
|
(no author)
|
/* Handle supported standard device request Cf Table 9-3 in USB
|
| 522 |
cc0a7ad6
|
(no author)
|
* speciication Rev 1.1 */
|
| 523 |
f57b548d
|
(no author)
|
switch ((bRequest << 8) | bmRequestType) {
|
| 524 |
373c172a
|
Harald Welte
|
uint8_t desc_type, desc_index;
|
| 525 |
f57b548d
|
(no author)
|
case STD_GET_DESCRIPTOR:
|
| 526 |
9f45ae4e
|
laforge
|
DEBUGE("GET_DESCRIPTOR(wValue=0x%04x, wIndex=0x%04x) ",
|
| 527 |
|
|
wValue, wIndex);
|
| 528 |
5872753e
|
laforge
|
desc_type = wValue >> 8;
|
| 529 |
|
|
desc_index = wValue & 0xff;
|
| 530 |
|
|
switch (desc_type) {
|
| 531 |
|
|
case USB_DT_DEVICE:
|
| 532 |
43d61cf0
|
(no author)
|
/* Return Device Descriptor */
|
| 533 |
|
|
#ifdef CONFIG_DFU
|
| 534 |
b0317c72
|
(no author)
|
if (*dfu->dfu_state != DFU_STATE_appIDLE)
|
| 535 |
43d61cf0
|
(no author)
|
udp_ep0_send_data((const char *)
|
| 536 |
b0317c72
|
(no author)
|
dfu->dfu_dev_descriptor,
|
| 537 |
ebf16b4d
|
Holger Hans Peter Freyther
|
dfu->dfu_dev_descriptor->bLength,
|
| 538 |
|
|
wLength);
|
| 539 |
43d61cf0
|
(no author)
|
else
|
| 540 |
|
|
#endif
|
| 541 |
|
|
udp_ep0_send_data((const char *) &dev_descriptor,
|
| 542 |
ebf16b4d
|
Holger Hans Peter Freyther
|
sizeof(dev_descriptor), wLength);
|
| 543 |
5872753e
|
laforge
|
break;
|
| 544 |
|
|
case USB_DT_CONFIG:
|
| 545 |
43d61cf0
|
(no author)
|
/* Return Configuration Descriptor */
|
| 546 |
|
|
#ifdef CONFIG_DFU
|
| 547 |
b0317c72
|
(no author)
|
if (*dfu->dfu_state != DFU_STATE_appIDLE)
|
| 548 |
43d61cf0
|
(no author)
|
udp_ep0_send_data((const char *)
|
| 549 |
b0317c72
|
(no author)
|
dfu->dfu_cfg_descriptor,
|
| 550 |
ebf16b4d
|
Holger Hans Peter Freyther
|
dfu->dfu_cfg_descriptor->ucfg.wTotalLength,
|
| 551 |
|
|
wLength);
|
| 552 |
43d61cf0
|
(no author)
|
else
|
| 553 |
|
|
#endif
|
| 554 |
|
|
udp_ep0_send_data((const char *) &cfg_descriptor,
|
| 555 |
ebf16b4d
|
Holger Hans Peter Freyther
|
sizeof(cfg_descriptor), wLength);
|
| 556 |
5872753e
|
laforge
|
break;
|
| 557 |
|
|
case USB_DT_STRING:
|
| 558 |
28eb4a57
|
laforge
|
#ifdef CONFIG_USB_STRING
|
| 559 |
43d61cf0
|
(no author)
|
/* Return String descriptor */
|
| 560 |
9f45ae4e
|
laforge
|
if (desc_index > ARRAY_SIZE(usb_strings))
|
| 561 |
|
|
goto out_stall;
|
| 562 |
|
|
DEBUGE("bLength=%u, wLength=%u\n",
|
| 563 |
5872753e
|
laforge
|
usb_strings[desc_index]->bLength, wLength);
|
| 564 |
|
|
udp_ep0_send_data((const char *) usb_strings[desc_index],
|
| 565 |
ebf16b4d
|
Holger Hans Peter Freyther
|
usb_strings[desc_index]->bLength,
|
| 566 |
|
|
wLength);
|
| 567 |
28eb4a57
|
laforge
|
#else
|
| 568 |
|
|
goto out_stall;
|
| 569 |
|
|
#endif
|
| 570 |
5872753e
|
laforge
|
break;
|
| 571 |
|
|
case USB_DT_CS_DEVICE:
|
| 572 |
514b0f72
|
laforge
|
/* Return Function descriptor */
|
| 573 |
|
|
udp_ep0_send_data((const char *) &dfu->dfu_cfg_descriptor->func_dfu,
|
| 574 |
ebf16b4d
|
Holger Hans Peter Freyther
|
sizeof(dfu->dfu_cfg_descriptor->func_dfu), wLength);
|
| 575 |
d9c44227
|
laforge
|
break;
|
| 576 |
9f45ae4e
|
laforge
|
case USB_DT_INTERFACE:
|
| 577 |
43d61cf0
|
(no author)
|
/* Return Interface descriptor */
|
| 578 |
9f45ae4e
|
laforge
|
if (desc_index > cfg_descriptor.ucfg.bNumInterfaces)
|
| 579 |
|
|
goto out_stall;
|
| 580 |
|
|
switch (desc_index) {
|
| 581 |
|
|
case 0:
|
| 582 |
d9c44227
|
laforge
|
udp_ep0_send_data((const char *)
|
| 583 |
|
|
&cfg_descriptor.uif,
|
| 584 |
ebf16b4d
|
Holger Hans Peter Freyther
|
sizeof(cfg_descriptor.uif),
|
| 585 |
|
|
wLength);
|
| 586 |
9f45ae4e
|
laforge
|
break;
|
| 587 |
d9c44227
|
laforge
|
#ifdef CONFIG_DFU
|
| 588 |
9f45ae4e
|
laforge
|
case 1:
|
| 589 |
d9c44227
|
laforge
|
udp_ep0_send_data((const char *)
|
| 590 |
|
|
&cfg_descriptor.uif_dfu[0],
|
| 591 |
ebf16b4d
|
Holger Hans Peter Freyther
|
sizeof(cfg_descriptor.uif_dfu[0]),
|
| 592 |
|
|
wLength);
|
| 593 |
9f45ae4e
|
laforge
|
break;
|
| 594 |
|
|
case 2:
|
| 595 |
d9c44227
|
laforge
|
udp_ep0_send_data((const char *)
|
| 596 |
|
|
&cfg_descriptor.uif_dfu[1],
|
| 597 |
ebf16b4d
|
Holger Hans Peter Freyther
|
sizeof(cfg_descriptor.uif_dfu[1]),
|
| 598 |
|
|
wLength);
|
| 599 |
9f45ae4e
|
laforge
|
break;
|
| 600 |
7d31d475
|
Harald Welte
|
case 3:
|
| 601 |
|
|
udp_ep0_send_data((const char *)
|
| 602 |
|
|
&cfg_descriptor.uif_dfu[2],
|
| 603 |
ebf16b4d
|
Holger Hans Peter Freyther
|
sizeof(cfg_descriptor.uif_dfu[2]),
|
| 604 |
|
|
wLength);
|
| 605 |
7d31d475
|
Harald Welte
|
break;
|
| 606 |
d9c44227
|
laforge
|
#endif
|
| 607 |
9f45ae4e
|
laforge
|
default:
|
| 608 |
|
|
goto out_stall;
|
| 609 |
|
|
break;
|
| 610 |
|
|
}
|
| 611 |
5872753e
|
laforge
|
break;
|
| 612 |
|
|
default:
|
| 613 |
9f45ae4e
|
laforge
|
goto out_stall;
|
| 614 |
d9c44227
|
laforge
|
break;
|
| 615 |
5872753e
|
laforge
|
}
|
| 616 |
f57b548d
|
(no author)
|
break;
|
| 617 |
|
|
case STD_SET_ADDRESS:
|
| 618 |
cc0a7ad6
|
(no author)
|
DEBUGE("SET_ADDRESS ");
|
| 619 |
d9c44227
|
laforge
|
if (wValue > 127)
|
| 620 |
9f45ae4e
|
laforge
|
goto out_stall;
|
| 621 |
d9c44227
|
laforge
|
|
| 622 |
9f45ae4e
|
laforge
|
switch (upcd.state) {
|
| 623 |
|
|
case USB_STATE_DEFAULT:
|
| 624 |
d9c44227
|
laforge
|
udp_ep0_send_zlp();
|
| 625 |
9f45ae4e
|
laforge
|
if (wValue == 0) {
|
| 626 |
|
|
/* do nothing */
|
| 627 |
|
|
} else {
|
| 628 |
|
|
pUDP->UDP_FADDR = (AT91C_UDP_FEN | wValue);
|
| 629 |
|
|
pUDP->UDP_GLBSTATE = AT91C_UDP_FADDEN;
|
| 630 |
|
|
upcd.state = USB_STATE_ADDRESS;
|
| 631 |
|
|
}
|
| 632 |
|
|
break;
|
| 633 |
|
|
case USB_STATE_ADDRESS:
|
| 634 |
d9c44227
|
laforge
|
udp_ep0_send_zlp();
|
| 635 |
9f45ae4e
|
laforge
|
if (wValue == 0) {
|
| 636 |
|
|
upcd.state = USB_STATE_DEFAULT;
|
| 637 |
|
|
} else {
|
| 638 |
|
|
pUDP->UDP_FADDR = (AT91C_UDP_FEN | wValue);
|
| 639 |
|
|
}
|
| 640 |
|
|
break;
|
| 641 |
|
|
default:
|
| 642 |
|
|
goto out_stall;
|
| 643 |
|
|
break;
|
| 644 |
|
|
}
|
| 645 |
f57b548d
|
(no author)
|
break;
|
| 646 |
|
|
case STD_SET_CONFIGURATION:
|
| 647 |
cc0a7ad6
|
(no author)
|
DEBUGE("SET_CONFIG ");
|
| 648 |
9f45ae4e
|
laforge
|
if (upcd.state != USB_STATE_ADDRESS &&
|
| 649 |
|
|
upcd.state != USB_STATE_CONFIGURED) {
|
| 650 |
d9c44227
|
laforge
|
goto out_stall;
|
| 651 |
9f45ae4e
|
laforge
|
}
|
| 652 |
|
|
if ((wValue & 0xff) == 0) {
|
| 653 |
|
|
DEBUGE("VALUE==0 ");
|
| 654 |
|
|
upcd.state = USB_STATE_ADDRESS;
|
| 655 |
|
|
pUDP->UDP_GLBSTATE = AT91C_UDP_FADDEN;
|
| 656 |
|
|
pUDP->UDP_CSR[1] = 0;
|
| 657 |
|
|
pUDP->UDP_CSR[2] = 0;
|
| 658 |
|
|
pUDP->UDP_CSR[3] = 0;
|
| 659 |
d9c44227
|
laforge
|
} else if ((wValue & 0xff) <=
|
| 660 |
9f45ae4e
|
laforge
|
dev_descriptor.bNumConfigurations) {
|
| 661 |
cc0a7ad6
|
(no author)
|
DEBUGE("VALUE!=0 ");
|
| 662 |
9f45ae4e
|
laforge
|
upcd.state = USB_STATE_CONFIGURED;
|
| 663 |
|
|
pUDP->UDP_GLBSTATE = AT91C_UDP_CONFG;
|
| 664 |
d9c44227
|
laforge
|
pUDP->UDP_CSR[1] = AT91C_UDP_EPEDS |
|
| 665 |
9f45ae4e
|
laforge
|
AT91C_UDP_EPTYPE_BULK_OUT;
|
| 666 |
d9c44227
|
laforge
|
pUDP->UDP_CSR[2] = AT91C_UDP_EPEDS |
|
| 667 |
9f45ae4e
|
laforge
|
AT91C_UDP_EPTYPE_BULK_IN;
|
| 668 |
d9c44227
|
laforge
|
pUDP->UDP_CSR[3] = AT91C_UDP_EPEDS |
|
| 669 |
9f45ae4e
|
laforge
|
AT91C_UDP_EPTYPE_INT_IN;
|
| 670 |
|
|
} else {
|
| 671 |
|
|
/* invalid configuration */
|
| 672 |
|
|
goto out_stall;
|
| 673 |
|
|
break;
|
| 674 |
|
|
}
|
| 675 |
1bc85442
|
(no author)
|
upcd.cur_config = wValue;
|
| 676 |
43d61cf0
|
(no author)
|
udp_ep0_send_zlp();
|
| 677 |
d9c44227
|
laforge
|
pUDP->UDP_IER = (AT91C_UDP_EPINT0 | AT91C_UDP_EPINT1 |
|
| 678 |
|
|
AT91C_UDP_EPINT2 | AT91C_UDP_EPINT3);
|
| 679 |
f57b548d
|
(no author)
|
break;
|
| 680 |
|
|
case STD_GET_CONFIGURATION:
|
| 681 |
cc0a7ad6
|
(no author)
|
DEBUGE("GET_CONFIG ");
|
| 682 |
9f45ae4e
|
laforge
|
switch (upcd.state) {
|
| 683 |
|
|
case USB_STATE_ADDRESS:
|
| 684 |
|
|
case USB_STATE_CONFIGURED:
|
| 685 |
ebf16b4d
|
Holger Hans Peter Freyther
|
/* Table 9.4 wLength One */
|
| 686 |
9f45ae4e
|
laforge
|
udp_ep0_send_data((char *)&(upcd.cur_config),
|
| 687 |
ebf16b4d
|
Holger Hans Peter Freyther
|
sizeof(upcd.cur_config), 1);
|
| 688 |
9f45ae4e
|
laforge
|
break;
|
| 689 |
|
|
default:
|
| 690 |
|
|
goto out_stall;
|
| 691 |
|
|
break;
|
| 692 |
|
|
}
|
| 693 |
|
|
break;
|
| 694 |
|
|
case STD_GET_INTERFACE:
|
| 695 |
|
|
DEBUGE("GET_INTERFACE ");
|
| 696 |
|
|
if (upcd.state != USB_STATE_CONFIGURED)
|
| 697 |
|
|
goto out_stall;
|
| 698 |
ebf16b4d
|
Holger Hans Peter Freyther
|
/* Table 9.4 wLength One */
|
| 699 |
9f45ae4e
|
laforge
|
udp_ep0_send_data((char *)&(upcd.cur_altsett),
|
| 700 |
ebf16b4d
|
Holger Hans Peter Freyther
|
sizeof(upcd.cur_altsett), 1);
|
| 701 |
f57b548d
|
(no author)
|
break;
|
| 702 |
|
|
case STD_GET_STATUS_ZERO:
|
| 703 |
cc0a7ad6
|
(no author)
|
DEBUGE("GET_STATUS_ZERO ");
|
| 704 |
f57b548d
|
(no author)
|
wStatus = 0;
|
| 705 |
ebf16b4d
|
Holger Hans Peter Freyther
|
/* Table 9.4 wLength Two */
|
| 706 |
|
|
udp_ep0_send_data((char *)&wStatus, sizeof(wStatus), 2);
|
| 707 |
f57b548d
|
(no author)
|
break;
|
| 708 |
|
|
case STD_GET_STATUS_INTERFACE:
|
| 709 |
cc0a7ad6
|
(no author)
|
DEBUGE("GET_STATUS_INTERFACE ");
|
| 710 |
9f45ae4e
|
laforge
|
if (upcd.state == USB_STATE_DEFAULT ||
|
| 711 |
|
|
(upcd.state == USB_STATE_ADDRESS && wIndex != 0))
|
| 712 |
d9c44227
|
laforge
|
goto out_stall;
|
| 713 |
f57b548d
|
(no author)
|
wStatus = 0;
|
| 714 |
ebf16b4d
|
Holger Hans Peter Freyther
|
/* Table 9.4 wLength Two */
|
| 715 |
|
|
udp_ep0_send_data((char *)&wStatus, sizeof(wStatus), 2);
|
| 716 |
f57b548d
|
(no author)
|
break;
|
| 717 |
|
|
case STD_GET_STATUS_ENDPOINT:
|
| 718 |
cc0a7ad6
|
(no author)
|
DEBUGE("GET_STATUS_ENDPOINT(EPidx=%u) ", wIndex&0x0f);
|
| 719 |
9f45ae4e
|
laforge
|
if (upcd.state == USB_STATE_DEFAULT ||
|
| 720 |
|
|
(upcd.state == USB_STATE_ADDRESS && wIndex != 0))
|
| 721 |
d9c44227
|
laforge
|
goto out_stall;
|
| 722 |
f57b548d
|
(no author)
|
wStatus = 0;
|
| 723 |
|
|
wIndex &= 0x0F;
|
| 724 |
|
|
if ((pUDP->UDP_GLBSTATE & AT91C_UDP_CONFG) && (wIndex <= 3)) {
|
| 725 |
|
|
wStatus =
|
| 726 |
|
|
(pUDP->UDP_CSR[wIndex] & AT91C_UDP_EPEDS) ? 0 : 1;
|
| 727 |
ebf16b4d
|
Holger Hans Peter Freyther
|
/* Table 9.4 wLength Two */
|
| 728 |
|
|
udp_ep0_send_data((char *)&wStatus, sizeof(wStatus), 2);
|
| 729 |
f57b548d
|
(no author)
|
} else if ((pUDP->UDP_GLBSTATE & AT91C_UDP_FADDEN)
|
| 730 |
|
|
&& (wIndex == 0)) {
|
| 731 |
|
|
wStatus =
|
| 732 |
|
|
(pUDP->UDP_CSR[wIndex] & AT91C_UDP_EPEDS) ? 0 : 1;
|
| 733 |
ebf16b4d
|
Holger Hans Peter Freyther
|
/* Table 9.4 wLength Two */
|
| 734 |
|
|
udp_ep0_send_data((char *)&wStatus, sizeof(wStatus), 2);
|
| 735 |
f57b548d
|
(no author)
|
} else
|
| 736 |
9f45ae4e
|
laforge
|
goto out_stall;
|
| 737 |
f57b548d
|
(no author)
|
break;
|
| 738 |
|
|
case STD_SET_FEATURE_ZERO:
|
| 739 |
cc0a7ad6
|
(no author)
|
DEBUGE("SET_FEATURE_ZERO ");
|
| 740 |
9f45ae4e
|
laforge
|
if (upcd.state == USB_STATE_ADDRESS &&
|
| 741 |
|
|
(wIndex & 0xff) != 0)
|
| 742 |
|
|
goto out_stall;
|
| 743 |
|
|
/* FIXME: implement this */
|
| 744 |
|
|
goto out_stall;
|
| 745 |
f57b548d
|
(no author)
|
break;
|
| 746 |
|
|
case STD_SET_FEATURE_INTERFACE:
|
| 747 |
cc0a7ad6
|
(no author)
|
DEBUGE("SET_FEATURE_INTERFACE ");
|
| 748 |
9f45ae4e
|
laforge
|
if (upcd.state == USB_STATE_ADDRESS &&
|
| 749 |
|
|
(wIndex & 0xff) != 0)
|
| 750 |
|
|
goto out_stall;
|
| 751 |
43d61cf0
|
(no author)
|
udp_ep0_send_zlp();
|
| 752 |
f57b548d
|
(no author)
|
break;
|
| 753 |
|
|
case STD_SET_FEATURE_ENDPOINT:
|
| 754 |
cc0a7ad6
|
(no author)
|
DEBUGE("SET_FEATURE_ENDPOINT ");
|
| 755 |
9f45ae4e
|
laforge
|
if (upcd.state == USB_STATE_ADDRESS &&
|
| 756 |
|
|
(wIndex & 0xff) != 0)
|
| 757 |
|
|
goto out_stall;
|
| 758 |
|
|
if (wValue != USB_ENDPOINT_HALT)
|
| 759 |
|
|
goto out_stall;
|
| 760 |
43d61cf0
|
(no author)
|
udp_ep0_send_zlp();
|
| 761 |
f57b548d
|
(no author)
|
wIndex &= 0x0F;
|
| 762 |
|
|
if ((wValue == 0) && wIndex && (wIndex <= 3)) {
|
| 763 |
|
|
pUDP->UDP_CSR[wIndex] = 0;
|
| 764 |
43d61cf0
|
(no author)
|
udp_ep0_send_zlp();
|
| 765 |
f57b548d
|
(no author)
|
} else
|
| 766 |
9f45ae4e
|
laforge
|
goto out_stall;
|
| 767 |
f57b548d
|
(no author)
|
break;
|
| 768 |
|
|
case STD_CLEAR_FEATURE_ZERO:
|
| 769 |
cc0a7ad6
|
(no author)
|
DEBUGE("CLEAR_FEATURE_ZERO ");
|
| 770 |
9f45ae4e
|
laforge
|
goto out_stall;
|
| 771 |
f57b548d
|
(no author)
|
break;
|
| 772 |
|
|
case STD_CLEAR_FEATURE_INTERFACE:
|
| 773 |
a5a204c6
|
(no author)
|
DEBUGP("CLEAR_FEATURE_INTERFACE ");
|
| 774 |
43d61cf0
|
(no author)
|
udp_ep0_send_zlp();
|
| 775 |
f57b548d
|
(no author)
|
break;
|
| 776 |
|
|
case STD_CLEAR_FEATURE_ENDPOINT:
|
| 777 |
cc0a7ad6
|
(no author)
|
DEBUGE("CLEAR_FEATURE_ENDPOINT(EPidx=%u) ", wIndex & 0x0f);
|
| 778 |
9f45ae4e
|
laforge
|
if (wValue != USB_ENDPOINT_HALT)
|
| 779 |
|
|
goto out_stall;
|
| 780 |
f57b548d
|
(no author)
|
wIndex &= 0x0F;
|
| 781 |
|
|
if ((wValue == 0) && wIndex && (wIndex <= 3)) {
|
| 782 |
706ffa9f
|
laforge
|
reset_ep(wIndex);
|
| 783 |
43d61cf0
|
(no author)
|
udp_ep0_send_zlp();
|
| 784 |
f57b548d
|
(no author)
|
} else
|
| 785 |
9f45ae4e
|
laforge
|
goto out_stall;
|
| 786 |
f57b548d
|
(no author)
|
break;
|
| 787 |
5f148f59
|
(no author)
|
case STD_SET_INTERFACE:
|
| 788 |
cc0a7ad6
|
(no author)
|
DEBUGE("SET INTERFACE ");
|
| 789 |
9f45ae4e
|
laforge
|
if (upcd.state != USB_STATE_CONFIGURED)
|
| 790 |
|
|
goto out_stall;
|
| 791 |
|
|
if (wIndex > cfg_descriptor.ucfg.bNumInterfaces)
|
| 792 |
|
|
goto out_stall;
|
| 793 |
|
|
upcd.cur_interface = wIndex;
|
| 794 |
|
|
upcd.cur_altsett = wValue;
|
| 795 |
d9c44227
|
laforge
|
/* USB spec mandates that if we only support one altsetting in
|
| 796 |
28eb4a57
|
laforge
|
* the given interface, we shall respond with STALL in the
|
| 797 |
|
|
* status stage */
|
| 798 |
d9c44227
|
laforge
|
udp_ep0_send_stall();
|
| 799 |
5f148f59
|
(no author)
|
break;
|
| 800 |
f57b548d
|
(no author)
|
default:
|
| 801 |
706ffa9f
|
laforge
|
DEBUGE("DEFAULT(req=0x%02x, type=0x%02x) ",
|
| 802 |
|
|
bRequest, bmRequestType);
|
| 803 |
43d61cf0
|
(no author)
|
#ifdef CONFIG_DFU
|
| 804 |
|
|
if ((bmRequestType & 0x3f) == USB_TYPE_DFU) {
|
| 805 |
706ffa9f
|
laforge
|
dfu->dfu_ep0_handler(bmRequestType, bRequest, wValue,
|
| 806 |
|
|
wLength);
|
| 807 |
43d61cf0
|
(no author)
|
} else
|
| 808 |
|
|
#endif
|
| 809 |
9f45ae4e
|
laforge
|
goto out_stall;
|
| 810 |
f57b548d
|
(no author)
|
break;
|
| 811 |
|
|
}
|
| 812 |
9f45ae4e
|
laforge
|
return;
|
| 813 |
|
|
out_stall:
|
| 814 |
|
|
DEBUGE("STALL!! ");
|
| 815 |
|
|
udp_ep0_send_stall();
|
| 816 |
f57b548d
|
(no author)
|
}
|
