wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 1 | /* |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 2 | * |
| 3 | * Most of this source has been derived from the Linux USB |
Wolfgang Denk | 460c322 | 2005-08-04 01:14:12 +0200 | [diff] [blame] | 4 | * project: |
| 5 | * (C) Copyright Linus Torvalds 1999 |
| 6 | * (C) Copyright Johannes Erdfelt 1999-2001 |
| 7 | * (C) Copyright Andreas Gal 1999 |
| 8 | * (C) Copyright Gregory P. Smith 1999 |
| 9 | * (C) Copyright Deti Fliegl 1999 (new USB architecture) |
| 10 | * (C) Copyright Randy Dunlap 2000 |
| 11 | * (C) Copyright David Brownell 2000 (kernel hotplug, usb_device_id) |
| 12 | * (C) Copyright Yggdrasil Computing, Inc. 2000 |
| 13 | * (usb_device_id matching changes by Adam J. Richter) |
| 14 | * |
| 15 | * Adapted for U-Boot: |
| 16 | * (C) Copyright 2001 Denis Peter, MPL AG Switzerland |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 17 | * |
| 18 | * See file CREDITS for list of people who contributed to this |
| 19 | * project. |
| 20 | * |
| 21 | * This program is free software; you can redistribute it and/or |
| 22 | * modify it under the terms of the GNU General Public License as |
| 23 | * published by the Free Software Foundation; either version 2 of |
| 24 | * the License, or (at your option) any later version. |
| 25 | * |
| 26 | * This program is distributed in the hope that it will be useful, |
| 27 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 28 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 29 | * GNU General Public License for more details. |
| 30 | * |
| 31 | * You should have received a copy of the GNU General Public License |
| 32 | * along with this program; if not, write to the Free Software |
| 33 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 34 | * MA 02111-1307 USA |
| 35 | * |
| 36 | */ |
| 37 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 38 | /* |
| 39 | * How it works: |
| 40 | * |
| 41 | * Since this is a bootloader, the devices will not be automatic |
| 42 | * (re)configured on hotplug, but after a restart of the USB the |
| 43 | * device should work. |
| 44 | * |
| 45 | * For each transfer (except "Interrupt") we wait for completion. |
| 46 | */ |
| 47 | #include <common.h> |
| 48 | #include <command.h> |
| 49 | #include <asm/processor.h> |
Mike Frysinger | 66cf641 | 2012-04-04 18:44:53 +0000 | [diff] [blame] | 50 | #include <linux/compiler.h> |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 51 | #include <linux/ctype.h> |
Christian Eggers | c918261 | 2008-05-21 22:12:00 +0200 | [diff] [blame] | 52 | #include <asm/byteorder.h> |
Tom Rini | b2fb47f | 2011-12-15 08:40:51 -0700 | [diff] [blame] | 53 | #include <asm/unaligned.h> |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 54 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 55 | #include <usb.h> |
| 56 | #ifdef CONFIG_4xx |
Stefan Roese | 3048bcb | 2007-10-03 15:01:02 +0200 | [diff] [blame] | 57 | #include <asm/4xx_pci.h> |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 58 | #endif |
| 59 | |
Alexander Holler | ce297a8 | 2011-01-28 12:42:13 +0100 | [diff] [blame] | 60 | #ifdef DEBUG |
Marek Vasut | 88ec8c1 | 2011-10-25 11:39:14 +0200 | [diff] [blame] | 61 | #define USB_DEBUG 1 |
| 62 | #define USB_HUB_DEBUG 1 |
| 63 | #else |
| 64 | #define USB_DEBUG 0 |
| 65 | #define USB_HUB_DEBUG 0 |
Alexander Holler | ce297a8 | 2011-01-28 12:42:13 +0100 | [diff] [blame] | 66 | #endif |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 67 | |
Marek Vasut | 88ec8c1 | 2011-10-25 11:39:14 +0200 | [diff] [blame] | 68 | #define USB_PRINTF(fmt, args...) debug_cond(USB_DEBUG, fmt, ##args) |
| 69 | #define USB_HUB_PRINTF(fmt, args...) debug_cond(USB_HUB_DEBUG, fmt, ##args) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 70 | |
wdenk | cd0a9de | 2004-02-23 20:48:38 +0000 | [diff] [blame] | 71 | #define USB_BUFSIZ 512 |
| 72 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 73 | static struct usb_device usb_dev[USB_MAX_DEVICE]; |
| 74 | static int dev_index; |
| 75 | static int running; |
| 76 | static int asynch_allowed; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 77 | |
Bartlomiej Sieka | e51aae3 | 2006-08-03 23:20:13 +0200 | [diff] [blame] | 78 | char usb_started; /* flag for the started/stopped USB status */ |
Lucas Stach | c7e3b2b | 2012-09-26 00:14:34 +0200 | [diff] [blame] | 79 | void *ctrl; /* goes away in a following commit, but don't break bisect */ |
Bartlomiej Sieka | e51aae3 | 2006-08-03 23:20:13 +0200 | [diff] [blame] | 80 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 81 | /********************************************************************** |
| 82 | * some forward declerations... |
| 83 | */ |
Marek Vasut | c08b1b2 | 2012-02-13 18:58:16 +0000 | [diff] [blame] | 84 | static void usb_scan_devices(void); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 85 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 86 | /*************************************************************************** |
| 87 | * Init USB Device |
| 88 | */ |
| 89 | |
| 90 | int usb_init(void) |
| 91 | { |
| 92 | int result; |
| 93 | |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 94 | running = 0; |
| 95 | dev_index = 0; |
| 96 | asynch_allowed = 1; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 97 | usb_hub_reset(); |
| 98 | /* init low_level USB */ |
| 99 | printf("USB: "); |
Lucas Stach | c7e3b2b | 2012-09-26 00:14:34 +0200 | [diff] [blame] | 100 | result = usb_lowlevel_init(0, &ctrl); |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 101 | /* if lowlevel init is OK, scan the bus for devices |
| 102 | * i.e. search HUBs and configure them */ |
| 103 | if (result == 0) { |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 104 | printf("scanning bus for devices... "); |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 105 | running = 1; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 106 | usb_scan_devices(); |
Bartlomiej Sieka | e51aae3 | 2006-08-03 23:20:13 +0200 | [diff] [blame] | 107 | usb_started = 1; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 108 | return 0; |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 109 | } else { |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 110 | printf("Error, couldn't init Lowlevel part\n"); |
Bartlomiej Sieka | e51aae3 | 2006-08-03 23:20:13 +0200 | [diff] [blame] | 111 | usb_started = 0; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 112 | return -1; |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | /****************************************************************************** |
| 117 | * Stop USB this stops the LowLevel Part and deregisters USB devices. |
| 118 | */ |
| 119 | int usb_stop(void) |
| 120 | { |
Remy Bohmer | eba1f2f | 2008-08-20 11:22:02 +0200 | [diff] [blame] | 121 | int res = 0; |
| 122 | |
| 123 | if (usb_started) { |
| 124 | asynch_allowed = 1; |
| 125 | usb_started = 0; |
| 126 | usb_hub_reset(); |
Lucas Stach | c7e3b2b | 2012-09-26 00:14:34 +0200 | [diff] [blame] | 127 | res = usb_lowlevel_stop(0); |
Remy Bohmer | eba1f2f | 2008-08-20 11:22:02 +0200 | [diff] [blame] | 128 | } |
| 129 | return res; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | /* |
| 133 | * disables the asynch behaviour of the control message. This is used for data |
| 134 | * transfers that uses the exclusiv access to the control and bulk messages. |
Simon Glass | 89d4836 | 2011-02-16 11:14:33 -0800 | [diff] [blame] | 135 | * Returns the old value so it can be restored later. |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 136 | */ |
Simon Glass | 89d4836 | 2011-02-16 11:14:33 -0800 | [diff] [blame] | 137 | int usb_disable_asynch(int disable) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 138 | { |
Simon Glass | 89d4836 | 2011-02-16 11:14:33 -0800 | [diff] [blame] | 139 | int old_value = asynch_allowed; |
| 140 | |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 141 | asynch_allowed = !disable; |
Simon Glass | 89d4836 | 2011-02-16 11:14:33 -0800 | [diff] [blame] | 142 | return old_value; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 143 | } |
| 144 | |
| 145 | |
| 146 | /*------------------------------------------------------------------- |
| 147 | * Message wrappers. |
| 148 | * |
| 149 | */ |
| 150 | |
| 151 | /* |
| 152 | * submits an Interrupt Message |
| 153 | */ |
| 154 | int usb_submit_int_msg(struct usb_device *dev, unsigned long pipe, |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 155 | void *buffer, int transfer_len, int interval) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 156 | { |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 157 | return submit_int_msg(dev, pipe, buffer, transfer_len, interval); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 158 | } |
| 159 | |
| 160 | /* |
| 161 | * submits a control message and waits for comletion (at least timeout * 1ms) |
| 162 | * If timeout is 0, we don't wait for completion (used as example to set and |
| 163 | * clear keyboards LEDs). For data transfers, (storage transfers) we don't |
| 164 | * allow control messages with 0 timeout, by previousely resetting the flag |
| 165 | * asynch_allowed (usb_disable_asynch(1)). |
| 166 | * returns the transfered length if OK or -1 if error. The transfered length |
| 167 | * and the current status are stored in the dev->act_len and dev->status. |
| 168 | */ |
| 169 | int usb_control_msg(struct usb_device *dev, unsigned int pipe, |
| 170 | unsigned char request, unsigned char requesttype, |
| 171 | unsigned short value, unsigned short index, |
| 172 | void *data, unsigned short size, int timeout) |
| 173 | { |
Puneet Saxena | f576613 | 2012-04-03 14:56:06 +0530 | [diff] [blame] | 174 | ALLOC_CACHE_ALIGN_BUFFER(struct devrequest, setup_packet, 1); |
Marek Vasut | e159e48 | 2012-02-13 18:58:18 +0000 | [diff] [blame] | 175 | |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 176 | if ((timeout == 0) && (!asynch_allowed)) { |
| 177 | /* request for a asynch control pipe is not allowed */ |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 178 | return -1; |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 179 | } |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 180 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 181 | /* set setup command */ |
Puneet Saxena | f576613 | 2012-04-03 14:56:06 +0530 | [diff] [blame] | 182 | setup_packet->requesttype = requesttype; |
| 183 | setup_packet->request = request; |
| 184 | setup_packet->value = cpu_to_le16(value); |
| 185 | setup_packet->index = cpu_to_le16(index); |
| 186 | setup_packet->length = cpu_to_le16(size); |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 187 | USB_PRINTF("usb_control_msg: request: 0x%X, requesttype: 0x%X, " \ |
| 188 | "value 0x%X index 0x%X length 0x%X\n", |
| 189 | request, requesttype, value, index, size); |
| 190 | dev->status = USB_ST_NOT_PROC; /*not yet processed */ |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 191 | |
Ilya Yanok | fd06028 | 2012-07-15 04:43:51 +0000 | [diff] [blame] | 192 | if (submit_control_msg(dev, pipe, data, size, setup_packet) < 0) |
| 193 | return -1; |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 194 | if (timeout == 0) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 195 | return (int)size; |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 196 | |
Remy Bohmer | 84d36b3 | 2010-02-01 19:40:47 +0100 | [diff] [blame] | 197 | /* |
| 198 | * Wait for status to update until timeout expires, USB driver |
| 199 | * interrupt handler may set the status when the USB operation has |
| 200 | * been completed. |
| 201 | */ |
| 202 | while (timeout--) { |
| 203 | if (!((volatile unsigned long)dev->status & USB_ST_NOT_PROC)) |
| 204 | break; |
Mike Frysinger | 5b84dd6 | 2012-03-05 13:47:00 +0000 | [diff] [blame] | 205 | mdelay(1); |
Remy Bohmer | 4886720 | 2008-10-10 10:23:21 +0200 | [diff] [blame] | 206 | } |
Remy Bohmer | 84d36b3 | 2010-02-01 19:40:47 +0100 | [diff] [blame] | 207 | if (dev->status) |
| 208 | return -1; |
Remy Bohmer | 4886720 | 2008-10-10 10:23:21 +0200 | [diff] [blame] | 209 | |
| 210 | return dev->act_len; |
Remy Bohmer | 84d36b3 | 2010-02-01 19:40:47 +0100 | [diff] [blame] | 211 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 212 | } |
| 213 | |
| 214 | /*------------------------------------------------------------------- |
| 215 | * submits bulk message, and waits for completion. returns 0 if Ok or |
| 216 | * -1 if Error. |
| 217 | * synchronous behavior |
| 218 | */ |
| 219 | int usb_bulk_msg(struct usb_device *dev, unsigned int pipe, |
| 220 | void *data, int len, int *actual_length, int timeout) |
| 221 | { |
| 222 | if (len < 0) |
| 223 | return -1; |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 224 | dev->status = USB_ST_NOT_PROC; /*not yet processed */ |
Ilya Yanok | fd06028 | 2012-07-15 04:43:51 +0000 | [diff] [blame] | 225 | if (submit_bulk_msg(dev, pipe, data, len) < 0) |
| 226 | return -1; |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 227 | while (timeout--) { |
| 228 | if (!((volatile unsigned long)dev->status & USB_ST_NOT_PROC)) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 229 | break; |
Mike Frysinger | 5b84dd6 | 2012-03-05 13:47:00 +0000 | [diff] [blame] | 230 | mdelay(1); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 231 | } |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 232 | *actual_length = dev->act_len; |
| 233 | if (dev->status == 0) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 234 | return 0; |
| 235 | else |
| 236 | return -1; |
| 237 | } |
| 238 | |
| 239 | |
| 240 | /*------------------------------------------------------------------- |
| 241 | * Max Packet stuff |
| 242 | */ |
| 243 | |
| 244 | /* |
| 245 | * returns the max packet size, depending on the pipe direction and |
| 246 | * the configurations values |
| 247 | */ |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 248 | int usb_maxpacket(struct usb_device *dev, unsigned long pipe) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 249 | { |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 250 | /* direction is out -> use emaxpacket out */ |
| 251 | if ((pipe & USB_DIR_IN) == 0) |
Michael Trimarchi | de39f8c | 2008-11-26 17:41:34 +0100 | [diff] [blame] | 252 | return dev->epmaxpacketout[((pipe>>15) & 0xf)]; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 253 | else |
Michael Trimarchi | de39f8c | 2008-11-26 17:41:34 +0100 | [diff] [blame] | 254 | return dev->epmaxpacketin[((pipe>>15) & 0xf)]; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 255 | } |
| 256 | |
Marek Vasut | 5e8baf8 | 2011-11-05 23:35:12 +0100 | [diff] [blame] | 257 | /* |
| 258 | * The routine usb_set_maxpacket_ep() is extracted from the loop of routine |
Remy Bohmer | be19d32 | 2008-09-16 14:55:42 +0200 | [diff] [blame] | 259 | * usb_set_maxpacket(), because the optimizer of GCC 4.x chokes on this routine |
| 260 | * when it is inlined in 1 single routine. What happens is that the register r3 |
| 261 | * is used as loop-count 'i', but gets overwritten later on. |
| 262 | * This is clearly a compiler bug, but it is easier to workaround it here than |
| 263 | * to update the compiler (Occurs with at least several GCC 4.{1,2},x |
| 264 | * CodeSourcery compilers like e.g. 2007q3, 2008q1, 2008q3 lite editions on ARM) |
Marek Vasut | 5e8baf8 | 2011-11-05 23:35:12 +0100 | [diff] [blame] | 265 | * |
| 266 | * NOTE: Similar behaviour was observed with GCC4.6 on ARMv5. |
Remy Bohmer | be19d32 | 2008-09-16 14:55:42 +0200 | [diff] [blame] | 267 | */ |
Mike Frysinger | 66cf641 | 2012-04-04 18:44:53 +0000 | [diff] [blame] | 268 | static void noinline |
Marek Vasut | 5e8baf8 | 2011-11-05 23:35:12 +0100 | [diff] [blame] | 269 | usb_set_maxpacket_ep(struct usb_device *dev, int if_idx, int ep_idx) |
Remy Bohmer | be19d32 | 2008-09-16 14:55:42 +0200 | [diff] [blame] | 270 | { |
| 271 | int b; |
Marek Vasut | 5e8baf8 | 2011-11-05 23:35:12 +0100 | [diff] [blame] | 272 | struct usb_endpoint_descriptor *ep; |
Tom Rini | b2fb47f | 2011-12-15 08:40:51 -0700 | [diff] [blame] | 273 | u16 ep_wMaxPacketSize; |
Marek Vasut | 5e8baf8 | 2011-11-05 23:35:12 +0100 | [diff] [blame] | 274 | |
| 275 | ep = &dev->config.if_desc[if_idx].ep_desc[ep_idx]; |
Remy Bohmer | be19d32 | 2008-09-16 14:55:42 +0200 | [diff] [blame] | 276 | |
| 277 | b = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; |
Tom Rini | b2fb47f | 2011-12-15 08:40:51 -0700 | [diff] [blame] | 278 | ep_wMaxPacketSize = get_unaligned(&ep->wMaxPacketSize); |
Remy Bohmer | be19d32 | 2008-09-16 14:55:42 +0200 | [diff] [blame] | 279 | |
| 280 | if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == |
| 281 | USB_ENDPOINT_XFER_CONTROL) { |
| 282 | /* Control => bidirectional */ |
Tom Rini | b2fb47f | 2011-12-15 08:40:51 -0700 | [diff] [blame] | 283 | dev->epmaxpacketout[b] = ep_wMaxPacketSize; |
| 284 | dev->epmaxpacketin[b] = ep_wMaxPacketSize; |
Remy Bohmer | be19d32 | 2008-09-16 14:55:42 +0200 | [diff] [blame] | 285 | USB_PRINTF("##Control EP epmaxpacketout/in[%d] = %d\n", |
| 286 | b, dev->epmaxpacketin[b]); |
| 287 | } else { |
| 288 | if ((ep->bEndpointAddress & 0x80) == 0) { |
| 289 | /* OUT Endpoint */ |
Tom Rini | b2fb47f | 2011-12-15 08:40:51 -0700 | [diff] [blame] | 290 | if (ep_wMaxPacketSize > dev->epmaxpacketout[b]) { |
| 291 | dev->epmaxpacketout[b] = ep_wMaxPacketSize; |
Remy Bohmer | be19d32 | 2008-09-16 14:55:42 +0200 | [diff] [blame] | 292 | USB_PRINTF("##EP epmaxpacketout[%d] = %d\n", |
| 293 | b, dev->epmaxpacketout[b]); |
| 294 | } |
| 295 | } else { |
| 296 | /* IN Endpoint */ |
Tom Rini | b2fb47f | 2011-12-15 08:40:51 -0700 | [diff] [blame] | 297 | if (ep_wMaxPacketSize > dev->epmaxpacketin[b]) { |
| 298 | dev->epmaxpacketin[b] = ep_wMaxPacketSize; |
Remy Bohmer | be19d32 | 2008-09-16 14:55:42 +0200 | [diff] [blame] | 299 | USB_PRINTF("##EP epmaxpacketin[%d] = %d\n", |
| 300 | b, dev->epmaxpacketin[b]); |
| 301 | } |
| 302 | } /* if out */ |
| 303 | } /* if control */ |
| 304 | } |
| 305 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 306 | /* |
| 307 | * set the max packed value of all endpoints in the given configuration |
| 308 | */ |
Marek Vasut | c08b1b2 | 2012-02-13 18:58:16 +0000 | [diff] [blame] | 309 | static int usb_set_maxpacket(struct usb_device *dev) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 310 | { |
Remy Bohmer | be19d32 | 2008-09-16 14:55:42 +0200 | [diff] [blame] | 311 | int i, ii; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 312 | |
Tom Rix | 8f8bd56 | 2009-10-31 12:37:38 -0500 | [diff] [blame] | 313 | for (i = 0; i < dev->config.desc.bNumInterfaces; i++) |
| 314 | for (ii = 0; ii < dev->config.if_desc[i].desc.bNumEndpoints; ii++) |
Marek Vasut | 5e8baf8 | 2011-11-05 23:35:12 +0100 | [diff] [blame] | 315 | usb_set_maxpacket_ep(dev, i, ii); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 316 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 317 | return 0; |
| 318 | } |
| 319 | |
| 320 | /******************************************************************************* |
| 321 | * Parse the config, located in buffer, and fills the dev->config structure. |
| 322 | * Note that all little/big endian swapping are done automatically. |
| 323 | */ |
Marek Vasut | c08b1b2 | 2012-02-13 18:58:16 +0000 | [diff] [blame] | 324 | static int usb_parse_config(struct usb_device *dev, |
| 325 | unsigned char *buffer, int cfgno) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 326 | { |
| 327 | struct usb_descriptor_header *head; |
Bartlomiej Sieka | 7455af4 | 2006-08-02 00:54:18 +0200 | [diff] [blame] | 328 | int index, ifno, epno, curr_if_num; |
| 329 | int i; |
Tom Rini | b2fb47f | 2011-12-15 08:40:51 -0700 | [diff] [blame] | 330 | u16 ep_wMaxPacketSize; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 331 | |
Bartlomiej Sieka | 7455af4 | 2006-08-02 00:54:18 +0200 | [diff] [blame] | 332 | ifno = -1; |
| 333 | epno = -1; |
| 334 | curr_if_num = -1; |
| 335 | |
| 336 | dev->configno = cfgno; |
| 337 | head = (struct usb_descriptor_header *) &buffer[0]; |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 338 | if (head->bDescriptorType != USB_DT_CONFIG) { |
| 339 | printf(" ERROR: NOT USB_CONFIG_DESC %x\n", |
| 340 | head->bDescriptorType); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 341 | return -1; |
| 342 | } |
Bartlomiej Sieka | 7455af4 | 2006-08-02 00:54:18 +0200 | [diff] [blame] | 343 | memcpy(&dev->config, buffer, buffer[0]); |
Tom Rix | 8f8bd56 | 2009-10-31 12:37:38 -0500 | [diff] [blame] | 344 | le16_to_cpus(&(dev->config.desc.wTotalLength)); |
Bartlomiej Sieka | 7455af4 | 2006-08-02 00:54:18 +0200 | [diff] [blame] | 345 | dev->config.no_of_if = 0; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 346 | |
Tom Rix | 8f8bd56 | 2009-10-31 12:37:38 -0500 | [diff] [blame] | 347 | index = dev->config.desc.bLength; |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 348 | /* Ok the first entry must be a configuration entry, |
| 349 | * now process the others */ |
Bartlomiej Sieka | 7455af4 | 2006-08-02 00:54:18 +0200 | [diff] [blame] | 350 | head = (struct usb_descriptor_header *) &buffer[index]; |
Tom Rix | 8f8bd56 | 2009-10-31 12:37:38 -0500 | [diff] [blame] | 351 | while (index + 1 < dev->config.desc.wTotalLength) { |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 352 | switch (head->bDescriptorType) { |
| 353 | case USB_DT_INTERFACE: |
| 354 | if (((struct usb_interface_descriptor *) \ |
| 355 | &buffer[index])->bInterfaceNumber != curr_if_num) { |
| 356 | /* this is a new interface, copy new desc */ |
| 357 | ifno = dev->config.no_of_if; |
| 358 | dev->config.no_of_if++; |
| 359 | memcpy(&dev->config.if_desc[ifno], |
Bartlomiej Sieka | 7455af4 | 2006-08-02 00:54:18 +0200 | [diff] [blame] | 360 | &buffer[index], buffer[index]); |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 361 | dev->config.if_desc[ifno].no_of_ep = 0; |
| 362 | dev->config.if_desc[ifno].num_altsetting = 1; |
| 363 | curr_if_num = |
Tom Rix | 8f8bd56 | 2009-10-31 12:37:38 -0500 | [diff] [blame] | 364 | dev->config.if_desc[ifno].desc.bInterfaceNumber; |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 365 | } else { |
| 366 | /* found alternate setting for the interface */ |
| 367 | dev->config.if_desc[ifno].num_altsetting++; |
| 368 | } |
| 369 | break; |
| 370 | case USB_DT_ENDPOINT: |
| 371 | epno = dev->config.if_desc[ifno].no_of_ep; |
| 372 | /* found an endpoint */ |
| 373 | dev->config.if_desc[ifno].no_of_ep++; |
| 374 | memcpy(&dev->config.if_desc[ifno].ep_desc[epno], |
| 375 | &buffer[index], buffer[index]); |
Tom Rini | b2fb47f | 2011-12-15 08:40:51 -0700 | [diff] [blame] | 376 | ep_wMaxPacketSize = get_unaligned(&dev->config.\ |
| 377 | if_desc[ifno].\ |
| 378 | ep_desc[epno].\ |
| 379 | wMaxPacketSize); |
| 380 | put_unaligned(le16_to_cpu(ep_wMaxPacketSize), |
| 381 | &dev->config.\ |
| 382 | if_desc[ifno].\ |
| 383 | ep_desc[epno].\ |
| 384 | wMaxPacketSize); |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 385 | USB_PRINTF("if %d, ep %d\n", ifno, epno); |
| 386 | break; |
| 387 | default: |
| 388 | if (head->bLength == 0) |
| 389 | return 1; |
| 390 | |
| 391 | USB_PRINTF("unknown Description Type : %x\n", |
| 392 | head->bDescriptorType); |
| 393 | |
| 394 | { |
Wolfgang Denk | fad2e1b | 2011-10-05 23:11:19 +0200 | [diff] [blame] | 395 | #ifdef USB_DEBUG |
| 396 | unsigned char *ch = (unsigned char *)head; |
| 397 | #endif |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 398 | for (i = 0; i < head->bLength; i++) |
| 399 | USB_PRINTF("%02X ", *ch++); |
| 400 | USB_PRINTF("\n\n\n"); |
| 401 | } |
| 402 | break; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 403 | } |
Bartlomiej Sieka | 7455af4 | 2006-08-02 00:54:18 +0200 | [diff] [blame] | 404 | index += head->bLength; |
| 405 | head = (struct usb_descriptor_header *)&buffer[index]; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 406 | } |
| 407 | return 1; |
| 408 | } |
| 409 | |
| 410 | /*********************************************************************** |
| 411 | * Clears an endpoint |
| 412 | * endp: endpoint number in bits 0-3; |
| 413 | * direction flag in bit 7 (1 = IN, 0 = OUT) |
| 414 | */ |
| 415 | int usb_clear_halt(struct usb_device *dev, int pipe) |
| 416 | { |
| 417 | int result; |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 418 | int endp = usb_pipeendpoint(pipe)|(usb_pipein(pipe)<<7); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 419 | |
| 420 | result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 421 | USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT, 0, |
| 422 | endp, NULL, 0, USB_CNTL_TIMEOUT * 3); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 423 | |
| 424 | /* don't clear if failed */ |
| 425 | if (result < 0) |
| 426 | return result; |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 427 | |
Wolfgang Denk | 095b8a3 | 2005-08-02 17:06:17 +0200 | [diff] [blame] | 428 | /* |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 429 | * NOTE: we do not get status and verify reset was successful |
| 430 | * as some devices are reported to lock up upon this check.. |
| 431 | */ |
| 432 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 433 | usb_endpoint_running(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe)); |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 434 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 435 | /* toggle is reset on clear */ |
| 436 | usb_settoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe), 0); |
| 437 | return 0; |
| 438 | } |
| 439 | |
| 440 | |
| 441 | /********************************************************************** |
| 442 | * get_descriptor type |
| 443 | */ |
Marek Vasut | c08b1b2 | 2012-02-13 18:58:16 +0000 | [diff] [blame] | 444 | static int usb_get_descriptor(struct usb_device *dev, unsigned char type, |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 445 | unsigned char index, void *buf, int size) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 446 | { |
| 447 | int res; |
Wolfgang Denk | 53677ef | 2008-05-20 16:00:29 +0200 | [diff] [blame] | 448 | res = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 449 | USB_REQ_GET_DESCRIPTOR, USB_DIR_IN, |
| 450 | (type << 8) + index, 0, |
| 451 | buf, size, USB_CNTL_TIMEOUT); |
| 452 | return res; |
| 453 | } |
| 454 | |
| 455 | /********************************************************************** |
| 456 | * gets configuration cfgno and store it in the buffer |
| 457 | */ |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 458 | int usb_get_configuration_no(struct usb_device *dev, |
| 459 | unsigned char *buffer, int cfgno) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 460 | { |
Wolfgang Denk | 53677ef | 2008-05-20 16:00:29 +0200 | [diff] [blame] | 461 | int result; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 462 | unsigned int tmp; |
Tom Rix | 8f8bd56 | 2009-10-31 12:37:38 -0500 | [diff] [blame] | 463 | struct usb_configuration_descriptor *config; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 464 | |
Tom Rix | 8f8bd56 | 2009-10-31 12:37:38 -0500 | [diff] [blame] | 465 | config = (struct usb_configuration_descriptor *)&buffer[0]; |
Remy Bohmer | 4886720 | 2008-10-10 10:23:21 +0200 | [diff] [blame] | 466 | result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno, buffer, 9); |
| 467 | if (result < 9) { |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 468 | if (result < 0) |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 469 | printf("unable to get descriptor, error %lX\n", |
| 470 | dev->status); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 471 | else |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 472 | printf("config descriptor too short " \ |
Remy Bohmer | 4886720 | 2008-10-10 10:23:21 +0200 | [diff] [blame] | 473 | "(expected %i, got %i)\n", 9, result); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 474 | return -1; |
| 475 | } |
Christian Eggers | c918261 | 2008-05-21 22:12:00 +0200 | [diff] [blame] | 476 | tmp = le16_to_cpu(config->wTotalLength); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 477 | |
wdenk | cd0a9de | 2004-02-23 20:48:38 +0000 | [diff] [blame] | 478 | if (tmp > USB_BUFSIZ) { |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 479 | USB_PRINTF("usb_get_configuration_no: failed to get " \ |
| 480 | "descriptor - too long: %d\n", tmp); |
wdenk | cd0a9de | 2004-02-23 20:48:38 +0000 | [diff] [blame] | 481 | return -1; |
| 482 | } |
| 483 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 484 | result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno, buffer, tmp); |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 485 | USB_PRINTF("get_conf_no %d Result %d, wLength %d\n", |
| 486 | cfgno, result, tmp); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 487 | return result; |
| 488 | } |
| 489 | |
| 490 | /******************************************************************** |
| 491 | * set address of a device to the value in dev->devnum. |
| 492 | * This can only be done by addressing the device via the default address (0) |
| 493 | */ |
Marek Vasut | c08b1b2 | 2012-02-13 18:58:16 +0000 | [diff] [blame] | 494 | static int usb_set_address(struct usb_device *dev) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 495 | { |
| 496 | int res; |
| 497 | |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 498 | USB_PRINTF("set address %d\n", dev->devnum); |
| 499 | res = usb_control_msg(dev, usb_snddefctrl(dev), |
| 500 | USB_REQ_SET_ADDRESS, 0, |
| 501 | (dev->devnum), 0, |
| 502 | NULL, 0, USB_CNTL_TIMEOUT); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 503 | return res; |
| 504 | } |
| 505 | |
| 506 | /******************************************************************** |
| 507 | * set interface number to interface |
| 508 | */ |
| 509 | int usb_set_interface(struct usb_device *dev, int interface, int alternate) |
| 510 | { |
Tom Rix | 8f8bd56 | 2009-10-31 12:37:38 -0500 | [diff] [blame] | 511 | struct usb_interface *if_face = NULL; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 512 | int ret, i; |
| 513 | |
Tom Rix | 8f8bd56 | 2009-10-31 12:37:38 -0500 | [diff] [blame] | 514 | for (i = 0; i < dev->config.desc.bNumInterfaces; i++) { |
| 515 | if (dev->config.if_desc[i].desc.bInterfaceNumber == interface) { |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 516 | if_face = &dev->config.if_desc[i]; |
| 517 | break; |
| 518 | } |
| 519 | } |
| 520 | if (!if_face) { |
| 521 | printf("selecting invalid interface %d", interface); |
| 522 | return -1; |
| 523 | } |
Bartlomiej Sieka | 7455af4 | 2006-08-02 00:54:18 +0200 | [diff] [blame] | 524 | /* |
| 525 | * We should return now for devices with only one alternate setting. |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 526 | * According to 9.4.10 of the Universal Serial Bus Specification |
| 527 | * Revision 2.0 such devices can return with a STALL. This results in |
| 528 | * some USB sticks timeouting during initialization and then being |
| 529 | * unusable in U-Boot. |
Bartlomiej Sieka | 7455af4 | 2006-08-02 00:54:18 +0200 | [diff] [blame] | 530 | */ |
| 531 | if (if_face->num_altsetting == 1) |
| 532 | return 0; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 533 | |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 534 | ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
| 535 | USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE, |
| 536 | alternate, interface, NULL, 0, |
| 537 | USB_CNTL_TIMEOUT * 5); |
| 538 | if (ret < 0) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 539 | return ret; |
| 540 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 541 | return 0; |
| 542 | } |
| 543 | |
| 544 | /******************************************************************** |
| 545 | * set configuration number to configuration |
| 546 | */ |
Marek Vasut | c08b1b2 | 2012-02-13 18:58:16 +0000 | [diff] [blame] | 547 | static int usb_set_configuration(struct usb_device *dev, int configuration) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 548 | { |
| 549 | int res; |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 550 | USB_PRINTF("set configuration %d\n", configuration); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 551 | /* set setup command */ |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 552 | res = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
| 553 | USB_REQ_SET_CONFIGURATION, 0, |
| 554 | configuration, 0, |
| 555 | NULL, 0, USB_CNTL_TIMEOUT); |
| 556 | if (res == 0) { |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 557 | dev->toggle[0] = 0; |
| 558 | dev->toggle[1] = 0; |
| 559 | return 0; |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 560 | } else |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 561 | return -1; |
| 562 | } |
| 563 | |
| 564 | /******************************************************************** |
| 565 | * set protocol to protocol |
| 566 | */ |
| 567 | int usb_set_protocol(struct usb_device *dev, int ifnum, int protocol) |
| 568 | { |
| 569 | return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
| 570 | USB_REQ_SET_PROTOCOL, USB_TYPE_CLASS | USB_RECIP_INTERFACE, |
| 571 | protocol, ifnum, NULL, 0, USB_CNTL_TIMEOUT); |
| 572 | } |
| 573 | |
| 574 | /******************************************************************** |
| 575 | * set idle |
| 576 | */ |
| 577 | int usb_set_idle(struct usb_device *dev, int ifnum, int duration, int report_id) |
| 578 | { |
| 579 | return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
| 580 | USB_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, |
| 581 | (duration << 8) | report_id, ifnum, NULL, 0, USB_CNTL_TIMEOUT); |
| 582 | } |
| 583 | |
| 584 | /******************************************************************** |
| 585 | * get report |
| 586 | */ |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 587 | int usb_get_report(struct usb_device *dev, int ifnum, unsigned char type, |
| 588 | unsigned char id, void *buf, int size) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 589 | { |
| 590 | return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 591 | USB_REQ_GET_REPORT, |
| 592 | USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, |
| 593 | (type << 8) + id, ifnum, buf, size, USB_CNTL_TIMEOUT); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 594 | } |
| 595 | |
| 596 | /******************************************************************** |
| 597 | * get class descriptor |
| 598 | */ |
| 599 | int usb_get_class_descriptor(struct usb_device *dev, int ifnum, |
| 600 | unsigned char type, unsigned char id, void *buf, int size) |
| 601 | { |
| 602 | return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), |
| 603 | USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN, |
| 604 | (type << 8) + id, ifnum, buf, size, USB_CNTL_TIMEOUT); |
| 605 | } |
| 606 | |
| 607 | /******************************************************************** |
| 608 | * get string index in buffer |
| 609 | */ |
Marek Vasut | c08b1b2 | 2012-02-13 18:58:16 +0000 | [diff] [blame] | 610 | static int usb_get_string(struct usb_device *dev, unsigned short langid, |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 611 | unsigned char index, void *buf, int size) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 612 | { |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 613 | int i; |
| 614 | int result; |
| 615 | |
| 616 | for (i = 0; i < 3; ++i) { |
| 617 | /* some devices are flaky */ |
| 618 | result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), |
| 619 | USB_REQ_GET_DESCRIPTOR, USB_DIR_IN, |
Wolfgang Denk | 095b8a3 | 2005-08-02 17:06:17 +0200 | [diff] [blame] | 620 | (USB_DT_STRING << 8) + index, langid, buf, size, |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 621 | USB_CNTL_TIMEOUT); |
| 622 | |
| 623 | if (result > 0) |
| 624 | break; |
Wolfgang Denk | 095b8a3 | 2005-08-02 17:06:17 +0200 | [diff] [blame] | 625 | } |
| 626 | |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 627 | return result; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 628 | } |
| 629 | |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 630 | |
| 631 | static void usb_try_string_workarounds(unsigned char *buf, int *length) |
| 632 | { |
| 633 | int newlength, oldlength = *length; |
| 634 | |
| 635 | for (newlength = 2; newlength + 1 < oldlength; newlength += 2) |
| 636 | if (!isprint(buf[newlength]) || buf[newlength + 1]) |
| 637 | break; |
| 638 | |
| 639 | if (newlength > 2) { |
| 640 | buf[0] = newlength; |
| 641 | *length = newlength; |
| 642 | } |
| 643 | } |
| 644 | |
| 645 | |
| 646 | static int usb_string_sub(struct usb_device *dev, unsigned int langid, |
| 647 | unsigned int index, unsigned char *buf) |
| 648 | { |
| 649 | int rc; |
| 650 | |
| 651 | /* Try to read the string descriptor by asking for the maximum |
| 652 | * possible number of bytes */ |
| 653 | rc = usb_get_string(dev, langid, index, buf, 255); |
| 654 | |
| 655 | /* If that failed try to read the descriptor length, then |
| 656 | * ask for just that many bytes */ |
| 657 | if (rc < 2) { |
| 658 | rc = usb_get_string(dev, langid, index, buf, 2); |
| 659 | if (rc == 2) |
| 660 | rc = usb_get_string(dev, langid, index, buf, buf[0]); |
| 661 | } |
| 662 | |
| 663 | if (rc >= 2) { |
| 664 | if (!buf[0] && !buf[1]) |
| 665 | usb_try_string_workarounds(buf, &rc); |
| 666 | |
| 667 | /* There might be extra junk at the end of the descriptor */ |
| 668 | if (buf[0] < rc) |
| 669 | rc = buf[0]; |
| 670 | |
| 671 | rc = rc - (rc & 1); /* force a multiple of two */ |
| 672 | } |
| 673 | |
| 674 | if (rc < 2) |
Wolfgang Denk | 095b8a3 | 2005-08-02 17:06:17 +0200 | [diff] [blame] | 675 | rc = -1; |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 676 | |
| 677 | return rc; |
| 678 | } |
| 679 | |
| 680 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 681 | /******************************************************************** |
| 682 | * usb_string: |
| 683 | * Get string index and translate it to ascii. |
| 684 | * returns string length (> 0) or error (< 0) |
| 685 | */ |
| 686 | int usb_string(struct usb_device *dev, int index, char *buf, size_t size) |
| 687 | { |
Puneet Saxena | f576613 | 2012-04-03 14:56:06 +0530 | [diff] [blame] | 688 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, mybuf, USB_BUFSIZ); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 689 | unsigned char *tbuf; |
| 690 | int err; |
| 691 | unsigned int u, idx; |
| 692 | |
| 693 | if (size <= 0 || !buf || !index) |
| 694 | return -1; |
| 695 | buf[0] = 0; |
Wolfgang Denk | d0ff51b | 2008-07-14 15:19:07 +0200 | [diff] [blame] | 696 | tbuf = &mybuf[0]; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 697 | |
| 698 | /* get langid for strings if it's not yet known */ |
| 699 | if (!dev->have_langid) { |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 700 | err = usb_string_sub(dev, 0, 0, tbuf); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 701 | if (err < 0) { |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 702 | USB_PRINTF("error getting string descriptor 0 " \ |
Stefan Roese | f1c1f54 | 2009-01-22 10:11:21 +0100 | [diff] [blame] | 703 | "(error=%lx)\n", dev->status); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 704 | return -1; |
| 705 | } else if (tbuf[0] < 4) { |
| 706 | USB_PRINTF("string descriptor 0 too short\n"); |
| 707 | return -1; |
| 708 | } else { |
| 709 | dev->have_langid = -1; |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 710 | dev->string_langid = tbuf[2] | (tbuf[3] << 8); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 711 | /* always use the first langid listed */ |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 712 | USB_PRINTF("USB device number %d default " \ |
| 713 | "language ID 0x%x\n", |
| 714 | dev->devnum, dev->string_langid); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 715 | } |
| 716 | } |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 717 | |
| 718 | err = usb_string_sub(dev, dev->string_langid, index, tbuf); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 719 | if (err < 0) |
| 720 | return err; |
wdenk | cd0a9de | 2004-02-23 20:48:38 +0000 | [diff] [blame] | 721 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 722 | size--; /* leave room for trailing NULL char in output buffer */ |
| 723 | for (idx = 0, u = 2; u < err; u += 2) { |
| 724 | if (idx >= size) |
| 725 | break; |
| 726 | if (tbuf[u+1]) /* high byte */ |
| 727 | buf[idx++] = '?'; /* non-ASCII character */ |
| 728 | else |
| 729 | buf[idx++] = tbuf[u]; |
| 730 | } |
| 731 | buf[idx] = 0; |
| 732 | err = idx; |
| 733 | return err; |
| 734 | } |
| 735 | |
| 736 | |
| 737 | /******************************************************************** |
| 738 | * USB device handling: |
| 739 | * the USB device are static allocated [USB_MAX_DEVICE]. |
| 740 | */ |
| 741 | |
| 742 | |
| 743 | /* returns a pointer to the device with the index [index]. |
| 744 | * if the device is not assigned (dev->devnum==-1) returns NULL |
| 745 | */ |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 746 | struct usb_device *usb_get_dev_index(int index) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 747 | { |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 748 | if (usb_dev[index].devnum == -1) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 749 | return NULL; |
| 750 | else |
| 751 | return &usb_dev[index]; |
| 752 | } |
| 753 | |
| 754 | |
| 755 | /* returns a pointer of a new device structure or NULL, if |
| 756 | * no device struct is available |
| 757 | */ |
Lucas Stach | c7e3b2b | 2012-09-26 00:14:34 +0200 | [diff] [blame] | 758 | struct usb_device *usb_alloc_new_device(void *controller) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 759 | { |
| 760 | int i; |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 761 | USB_PRINTF("New Device %d\n", dev_index); |
| 762 | if (dev_index == USB_MAX_DEVICE) { |
| 763 | printf("ERROR, too many USB Devices, max=%d\n", USB_MAX_DEVICE); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 764 | return NULL; |
| 765 | } |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 766 | /* default Address is 0, real addresses start with 1 */ |
| 767 | usb_dev[dev_index].devnum = dev_index + 1; |
| 768 | usb_dev[dev_index].maxchild = 0; |
| 769 | for (i = 0; i < USB_MAXCHILDREN; i++) |
| 770 | usb_dev[dev_index].children[i] = NULL; |
| 771 | usb_dev[dev_index].parent = NULL; |
Lucas Stach | c7e3b2b | 2012-09-26 00:14:34 +0200 | [diff] [blame] | 772 | usb_dev[dev_index].controller = controller; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 773 | dev_index++; |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 774 | return &usb_dev[dev_index - 1]; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 775 | } |
| 776 | |
| 777 | |
| 778 | /* |
| 779 | * By the time we get here, the device has gotten a new device ID |
| 780 | * and is in the default state. We need to identify the thing and |
| 781 | * get the ball rolling.. |
| 782 | * |
| 783 | * Returns 0 for success, != 0 for error. |
| 784 | */ |
Marek Vasut | 23faf2b | 2012-02-13 18:58:17 +0000 | [diff] [blame] | 785 | int usb_new_device(struct usb_device *dev) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 786 | { |
| 787 | int addr, err; |
| 788 | int tmp; |
Puneet Saxena | f576613 | 2012-04-03 14:56:06 +0530 | [diff] [blame] | 789 | ALLOC_CACHE_ALIGN_BUFFER(unsigned char, tmpbuf, USB_BUFSIZ); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 790 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 791 | /* We still haven't set the Address yet */ |
| 792 | addr = dev->devnum; |
| 793 | dev->devnum = 0; |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 794 | |
Remy Bohmer | c9e8436 | 2008-09-16 14:55:44 +0200 | [diff] [blame] | 795 | #ifdef CONFIG_LEGACY_USB_INIT_SEQ |
| 796 | /* this is the old and known way of initializing devices, it is |
| 797 | * different than what Windows and Linux are doing. Windows and Linux |
| 798 | * both retrieve 64 bytes while reading the device descriptor |
| 799 | * Several USB stick devices report ERR: CTL_TIMEOUT, caused by an |
| 800 | * invalid header while reading 8 bytes as device descriptor. */ |
| 801 | dev->descriptor.bMaxPacketSize0 = 8; /* Start off at 8 bytes */ |
Remy Bohmer | 4886720 | 2008-10-10 10:23:21 +0200 | [diff] [blame] | 802 | dev->maxpacketsize = PACKET_SIZE_8; |
Michael Trimarchi | de39f8c | 2008-11-26 17:41:34 +0100 | [diff] [blame] | 803 | dev->epmaxpacketin[0] = 8; |
Remy Bohmer | c9e8436 | 2008-09-16 14:55:44 +0200 | [diff] [blame] | 804 | dev->epmaxpacketout[0] = 8; |
| 805 | |
Ilya Yanok | 80ab414 | 2012-07-15 04:43:50 +0000 | [diff] [blame] | 806 | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, tmpbuf, 8); |
Remy Bohmer | c9e8436 | 2008-09-16 14:55:44 +0200 | [diff] [blame] | 807 | if (err < 8) { |
| 808 | printf("\n USB device not responding, " \ |
Michael Trimarchi | de39f8c | 2008-11-26 17:41:34 +0100 | [diff] [blame] | 809 | "giving up (status=%lX)\n", dev->status); |
Remy Bohmer | c9e8436 | 2008-09-16 14:55:44 +0200 | [diff] [blame] | 810 | return 1; |
| 811 | } |
Ilya Yanok | 80ab414 | 2012-07-15 04:43:50 +0000 | [diff] [blame] | 812 | memcpy(&dev->descriptor, tmpbuf, 8); |
Remy Bohmer | c9e8436 | 2008-09-16 14:55:44 +0200 | [diff] [blame] | 813 | #else |
Remy Bohmer | 4886720 | 2008-10-10 10:23:21 +0200 | [diff] [blame] | 814 | /* This is a Windows scheme of initialization sequence, with double |
| 815 | * reset of the device (Linux uses the same sequence) |
Remy Bohmer | c9e8436 | 2008-09-16 14:55:44 +0200 | [diff] [blame] | 816 | * Some equipment is said to work only with such init sequence; this |
| 817 | * patch is based on the work by Alan Stern: |
Michael Trimarchi | de39f8c | 2008-11-26 17:41:34 +0100 | [diff] [blame] | 818 | * http://sourceforge.net/mailarchive/forum.php? |
| 819 | * thread_id=5729457&forum_id=5398 |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 820 | */ |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 821 | struct usb_device_descriptor *desc; |
| 822 | int port = -1; |
| 823 | struct usb_device *parent = dev->parent; |
| 824 | unsigned short portstatus; |
| 825 | |
| 826 | /* send 64-byte GET-DEVICE-DESCRIPTOR request. Since the descriptor is |
| 827 | * only 18 bytes long, this will terminate with a short packet. But if |
| 828 | * the maxpacket size is 8 or 16 the device may be waiting to transmit |
Remy Bohmer | c9e8436 | 2008-09-16 14:55:44 +0200 | [diff] [blame] | 829 | * some more, or keeps on retransmitting the 8 byte header. */ |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 830 | |
| 831 | desc = (struct usb_device_descriptor *)tmpbuf; |
Remy Bohmer | c9e8436 | 2008-09-16 14:55:44 +0200 | [diff] [blame] | 832 | dev->descriptor.bMaxPacketSize0 = 64; /* Start off at 64 bytes */ |
Remy Bohmer | 4886720 | 2008-10-10 10:23:21 +0200 | [diff] [blame] | 833 | /* Default to 64 byte max packet size */ |
| 834 | dev->maxpacketsize = PACKET_SIZE_64; |
Michael Trimarchi | de39f8c | 2008-11-26 17:41:34 +0100 | [diff] [blame] | 835 | dev->epmaxpacketin[0] = 64; |
Remy Bohmer | c9e8436 | 2008-09-16 14:55:44 +0200 | [diff] [blame] | 836 | dev->epmaxpacketout[0] = 64; |
Remy Bohmer | 4886720 | 2008-10-10 10:23:21 +0200 | [diff] [blame] | 837 | |
| 838 | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, desc, 64); |
| 839 | if (err < 0) { |
| 840 | USB_PRINTF("usb_new_device: usb_get_descriptor() failed\n"); |
| 841 | return 1; |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 842 | } |
Remy Bohmer | 4886720 | 2008-10-10 10:23:21 +0200 | [diff] [blame] | 843 | |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 844 | dev->descriptor.bMaxPacketSize0 = desc->bMaxPacketSize0; |
Wolfgang Denk | 095b8a3 | 2005-08-02 17:06:17 +0200 | [diff] [blame] | 845 | |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 846 | /* find the port number we're at */ |
| 847 | if (parent) { |
Remy Bohmer | 4886720 | 2008-10-10 10:23:21 +0200 | [diff] [blame] | 848 | int j; |
Wolfgang Denk | 095b8a3 | 2005-08-02 17:06:17 +0200 | [diff] [blame] | 849 | |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 850 | for (j = 0; j < parent->maxchild; j++) { |
| 851 | if (parent->children[j] == dev) { |
| 852 | port = j; |
| 853 | break; |
| 854 | } |
| 855 | } |
| 856 | if (port < 0) { |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 857 | printf("usb_new_device:cannot locate device's port.\n"); |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 858 | return 1; |
| 859 | } |
| 860 | |
| 861 | /* reset the port for the second time */ |
| 862 | err = hub_port_reset(dev->parent, port, &portstatus); |
| 863 | if (err < 0) { |
| 864 | printf("\n Couldn't reset port %i\n", port); |
| 865 | return 1; |
| 866 | } |
| 867 | } |
Wolfgang Denk | 9c998aa | 2005-07-21 11:57:57 +0200 | [diff] [blame] | 868 | #endif |
| 869 | |
Michael Trimarchi | de39f8c | 2008-11-26 17:41:34 +0100 | [diff] [blame] | 870 | dev->epmaxpacketin[0] = dev->descriptor.bMaxPacketSize0; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 871 | dev->epmaxpacketout[0] = dev->descriptor.bMaxPacketSize0; |
| 872 | switch (dev->descriptor.bMaxPacketSize0) { |
Michael Trimarchi | de39f8c | 2008-11-26 17:41:34 +0100 | [diff] [blame] | 873 | case 8: |
| 874 | dev->maxpacketsize = PACKET_SIZE_8; |
| 875 | break; |
| 876 | case 16: |
| 877 | dev->maxpacketsize = PACKET_SIZE_16; |
| 878 | break; |
| 879 | case 32: |
| 880 | dev->maxpacketsize = PACKET_SIZE_32; |
| 881 | break; |
| 882 | case 64: |
| 883 | dev->maxpacketsize = PACKET_SIZE_64; |
| 884 | break; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 885 | } |
| 886 | dev->devnum = addr; |
| 887 | |
| 888 | err = usb_set_address(dev); /* set address */ |
| 889 | |
| 890 | if (err < 0) { |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 891 | printf("\n USB device not accepting new address " \ |
| 892 | "(error=%lX)\n", dev->status); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 893 | return 1; |
| 894 | } |
| 895 | |
Mike Frysinger | 5b84dd6 | 2012-03-05 13:47:00 +0000 | [diff] [blame] | 896 | mdelay(10); /* Let the SET_ADDRESS settle */ |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 897 | |
| 898 | tmp = sizeof(dev->descriptor); |
| 899 | |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 900 | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, |
Ilya Yanok | 80ab414 | 2012-07-15 04:43:50 +0000 | [diff] [blame] | 901 | tmpbuf, sizeof(dev->descriptor)); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 902 | if (err < tmp) { |
| 903 | if (err < 0) |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 904 | printf("unable to get device descriptor (error=%d)\n", |
| 905 | err); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 906 | else |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 907 | printf("USB device descriptor short read " \ |
| 908 | "(expected %i, got %i)\n", tmp, err); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 909 | return 1; |
| 910 | } |
Ilya Yanok | 80ab414 | 2012-07-15 04:43:50 +0000 | [diff] [blame] | 911 | memcpy(&dev->descriptor, tmpbuf, sizeof(dev->descriptor)); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 912 | /* correct le values */ |
Christian Eggers | c918261 | 2008-05-21 22:12:00 +0200 | [diff] [blame] | 913 | le16_to_cpus(&dev->descriptor.bcdUSB); |
| 914 | le16_to_cpus(&dev->descriptor.idVendor); |
| 915 | le16_to_cpus(&dev->descriptor.idProduct); |
| 916 | le16_to_cpus(&dev->descriptor.bcdDevice); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 917 | /* only support for one config for now */ |
Puneet Saxena | f576613 | 2012-04-03 14:56:06 +0530 | [diff] [blame] | 918 | usb_get_configuration_no(dev, tmpbuf, 0); |
| 919 | usb_parse_config(dev, tmpbuf, 0); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 920 | usb_set_maxpacket(dev); |
| 921 | /* we set the default configuration here */ |
Tom Rix | 8f8bd56 | 2009-10-31 12:37:38 -0500 | [diff] [blame] | 922 | if (usb_set_configuration(dev, dev->config.desc.bConfigurationValue)) { |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 923 | printf("failed to set default configuration " \ |
| 924 | "len %d, status %lX\n", dev->act_len, dev->status); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 925 | return -1; |
| 926 | } |
| 927 | USB_PRINTF("new device strings: Mfr=%d, Product=%d, SerialNumber=%d\n", |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 928 | dev->descriptor.iManufacturer, dev->descriptor.iProduct, |
| 929 | dev->descriptor.iSerialNumber); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 930 | memset(dev->mf, 0, sizeof(dev->mf)); |
| 931 | memset(dev->prod, 0, sizeof(dev->prod)); |
| 932 | memset(dev->serial, 0, sizeof(dev->serial)); |
| 933 | if (dev->descriptor.iManufacturer) |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 934 | usb_string(dev, dev->descriptor.iManufacturer, |
| 935 | dev->mf, sizeof(dev->mf)); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 936 | if (dev->descriptor.iProduct) |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 937 | usb_string(dev, dev->descriptor.iProduct, |
| 938 | dev->prod, sizeof(dev->prod)); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 939 | if (dev->descriptor.iSerialNumber) |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 940 | usb_string(dev, dev->descriptor.iSerialNumber, |
| 941 | dev->serial, sizeof(dev->serial)); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 942 | USB_PRINTF("Manufacturer %s\n", dev->mf); |
| 943 | USB_PRINTF("Product %s\n", dev->prod); |
| 944 | USB_PRINTF("SerialNumber %s\n", dev->serial); |
| 945 | /* now prode if the device is a hub */ |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 946 | usb_hub_probe(dev, 0); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 947 | return 0; |
| 948 | } |
| 949 | |
| 950 | /* build device Tree */ |
Marek Vasut | c08b1b2 | 2012-02-13 18:58:16 +0000 | [diff] [blame] | 951 | static void usb_scan_devices(void) |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 952 | { |
| 953 | int i; |
| 954 | struct usb_device *dev; |
| 955 | |
| 956 | /* first make all devices unknown */ |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 957 | for (i = 0; i < USB_MAX_DEVICE; i++) { |
| 958 | memset(&usb_dev[i], 0, sizeof(struct usb_device)); |
Wolfgang Denk | d0ff51b | 2008-07-14 15:19:07 +0200 | [diff] [blame] | 959 | usb_dev[i].devnum = -1; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 960 | } |
Remy Bohmer | 6f5794a | 2008-09-16 14:55:43 +0200 | [diff] [blame] | 961 | dev_index = 0; |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 962 | /* device 0 is always present (root hub, so let it analyze) */ |
Lucas Stach | c7e3b2b | 2012-09-26 00:14:34 +0200 | [diff] [blame] | 963 | dev = usb_alloc_new_device(ctrl); |
Bryan Wu | 1a448db | 2009-01-18 23:04:27 -0500 | [diff] [blame] | 964 | if (usb_new_device(dev)) |
| 965 | printf("No USB Device found\n"); |
| 966 | else |
| 967 | printf("%d USB Device(s) found\n", dev_index); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 968 | /* insert "driver" if possible */ |
| 969 | #ifdef CONFIG_USB_KEYBOARD |
| 970 | drv_usb_kbd_init(); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 971 | #endif |
Marek Vasut | 2a94dda | 2011-07-12 02:16:46 +0200 | [diff] [blame] | 972 | USB_PRINTF("scan end\n"); |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 973 | } |
| 974 | |
wdenk | affae2b | 2002-08-17 09:36:01 +0000 | [diff] [blame] | 975 | /* EOF */ |