| 1 | /*
|
|---|
| 2 | * Copyright (c) 2011 Jan Vesely
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | * documentation and/or other materials provided with the distribution.
|
|---|
| 14 | * - The name of the author may not be used to endorse or promote products
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | /** @addtogroup libusbhost
|
|---|
| 30 | * @{
|
|---|
| 31 | */
|
|---|
| 32 | /** @file
|
|---|
| 33 | *
|
|---|
| 34 | */
|
|---|
| 35 |
|
|---|
| 36 | #include <errno.h>
|
|---|
| 37 | #include <str_error.h>
|
|---|
| 38 | #include <usb_iface.h>
|
|---|
| 39 | #include <usb/debug.h>
|
|---|
| 40 |
|
|---|
| 41 | #include <usb/host/hcd.h>
|
|---|
| 42 |
|
|---|
| 43 | typedef struct hc_dev {
|
|---|
| 44 | ddf_fun_t *hc_fun;
|
|---|
| 45 | } hc_dev_t;
|
|---|
| 46 |
|
|---|
| 47 | static hc_dev_t *dev_to_hc_dev(ddf_dev_t *dev)
|
|---|
| 48 | {
|
|---|
| 49 | return ddf_dev_data_get(dev);
|
|---|
| 50 | }
|
|---|
| 51 |
|
|---|
| 52 | hcd_t *dev_to_hcd(ddf_dev_t *dev)
|
|---|
| 53 | {
|
|---|
| 54 | hc_dev_t *hc_dev = dev_to_hc_dev(dev);
|
|---|
| 55 | if (!hc_dev || !hc_dev->hc_fun) {
|
|---|
| 56 | usb_log_error("Invalid OHCI device.\n");
|
|---|
| 57 | return NULL;
|
|---|
| 58 | }
|
|---|
| 59 | return ddf_fun_data_get(hc_dev->hc_fun);
|
|---|
| 60 | }
|
|---|
| 61 |
|
|---|
| 62 | typedef struct usb_dev {
|
|---|
| 63 | link_t link;
|
|---|
| 64 | ddf_fun_t *fun;
|
|---|
| 65 | usb_address_t address;
|
|---|
| 66 | usb_speed_t speed;
|
|---|
| 67 | devman_handle_t handle;
|
|---|
| 68 | } usb_dev_t;
|
|---|
| 69 |
|
|---|
| 70 | /** Get USB address assigned to root hub.
|
|---|
| 71 | *
|
|---|
| 72 | * @param[in] fun Root hub function.
|
|---|
| 73 | * @param[out] address Store the address here.
|
|---|
| 74 | * @return Error code.
|
|---|
| 75 | */
|
|---|
| 76 | static int rh_get_my_address(ddf_fun_t *fun, usb_address_t *address)
|
|---|
| 77 | {
|
|---|
| 78 | assert(fun);
|
|---|
| 79 | if (address != NULL) {
|
|---|
| 80 | usb_dev_t *usb_dev = ddf_fun_data_get(fun);
|
|---|
| 81 | *address = usb_dev->address;
|
|---|
| 82 | }
|
|---|
| 83 | return EOK;
|
|---|
| 84 | }
|
|---|
| 85 |
|
|---|
| 86 | /** Gets handle of the respective hc (this device, hc function).
|
|---|
| 87 | *
|
|---|
| 88 | * @param[in] root_hub_fun Root hub function seeking hc handle.
|
|---|
| 89 | * @param[out] handle Place to write the handle.
|
|---|
| 90 | * @return Error code.
|
|---|
| 91 | */
|
|---|
| 92 | static int rh_get_hc_handle(ddf_fun_t *fun, devman_handle_t *handle)
|
|---|
| 93 | {
|
|---|
| 94 | assert(fun);
|
|---|
| 95 |
|
|---|
| 96 | if (handle != NULL) {
|
|---|
| 97 | usb_dev_t *usb_dev = ddf_fun_data_get(fun);
|
|---|
| 98 | *handle = usb_dev->handle;
|
|---|
| 99 | }
|
|---|
| 100 | return EOK;
|
|---|
| 101 | }
|
|---|
| 102 |
|
|---|
| 103 | /** Root hub USB interface */
|
|---|
| 104 | static usb_iface_t usb_iface = {
|
|---|
| 105 | .get_hc_handle = rh_get_hc_handle,
|
|---|
| 106 | .get_my_address = rh_get_my_address,
|
|---|
| 107 | };
|
|---|
| 108 | /** Standard USB RH options (RH interface) */
|
|---|
| 109 | static ddf_dev_ops_t usb_ops = {
|
|---|
| 110 | .interfaces[USB_DEV_IFACE] = &usb_iface,
|
|---|
| 111 | };
|
|---|
| 112 |
|
|---|
| 113 | /** Standard USB HC options (HC interface) */
|
|---|
| 114 | static ddf_dev_ops_t hc_ops = {
|
|---|
| 115 | .interfaces[USBHC_DEV_IFACE] = &hcd_iface,
|
|---|
| 116 | };
|
|---|
| 117 |
|
|---|
| 118 | int hcd_add_device(hcd_t *instance, ddf_dev_t *parent,
|
|---|
| 119 | usb_address_t address, usb_speed_t speed, const char *name,
|
|---|
| 120 | const match_id_list_t *mids)
|
|---|
| 121 | {
|
|---|
| 122 | assert(instance);
|
|---|
| 123 | assert(parent);
|
|---|
| 124 | hc_dev_t *hc_dev = ddf_dev_data_get(parent);
|
|---|
| 125 | devman_handle_t hc_handle = ddf_fun_get_handle(hc_dev->hc_fun);
|
|---|
| 126 |
|
|---|
| 127 | //TODO more checks
|
|---|
| 128 | ddf_fun_t *fun = ddf_fun_create(parent, fun_inner, name);
|
|---|
| 129 | if (!fun)
|
|---|
| 130 | return ENOMEM;
|
|---|
| 131 | usb_dev_t *info = ddf_fun_data_alloc(fun, sizeof(usb_dev_t));
|
|---|
| 132 | if (!info) {
|
|---|
| 133 | ddf_fun_destroy(fun);
|
|---|
| 134 | return ENOMEM;
|
|---|
| 135 | }
|
|---|
| 136 | info->address = address;
|
|---|
| 137 | info->speed = speed;
|
|---|
| 138 | info->handle = hc_handle;
|
|---|
| 139 | info->fun = fun;
|
|---|
| 140 | link_initialize(&info->link);
|
|---|
| 141 |
|
|---|
| 142 | ddf_fun_set_ops(fun, &usb_ops);
|
|---|
| 143 | list_foreach(mids->ids, iter) {
|
|---|
| 144 | match_id_t *mid = list_get_instance(iter, match_id_t, link);
|
|---|
| 145 | ddf_fun_add_match_id(fun, mid->id, mid->score);
|
|---|
| 146 | }
|
|---|
| 147 |
|
|---|
| 148 | int ret = ddf_fun_bind(fun);
|
|---|
| 149 | if (ret != EOK) {
|
|---|
| 150 | ddf_fun_destroy(fun);
|
|---|
| 151 | return ret;
|
|---|
| 152 | }
|
|---|
| 153 |
|
|---|
| 154 | ret = usb_device_manager_bind_address(&instance->dev_manager,
|
|---|
| 155 | address, ddf_fun_get_handle(fun));
|
|---|
| 156 | if (ret != EOK)
|
|---|
| 157 | usb_log_warning("Failed to bind root hub address: %s.\n",
|
|---|
| 158 | str_error(ret));
|
|---|
| 159 |
|
|---|
| 160 | list_append(&info->link, &instance->devices);
|
|---|
| 161 | return EOK;
|
|---|
| 162 | }
|
|---|
| 163 |
|
|---|
| 164 | /** Announce root hub to the DDF
|
|---|
| 165 | *
|
|---|
| 166 | * @param[in] instance OHCI driver instance
|
|---|
| 167 | * @param[in] hub_fun DDF function representing OHCI root hub
|
|---|
| 168 | * @return Error code
|
|---|
| 169 | */
|
|---|
| 170 | int hcd_setup_hub(hcd_t *instance, usb_address_t *address, ddf_dev_t *device)
|
|---|
| 171 | {
|
|---|
| 172 | assert(instance);
|
|---|
| 173 | assert(address);
|
|---|
| 174 | assert(device);
|
|---|
| 175 |
|
|---|
| 176 | int ret = usb_device_manager_request_address(&instance->dev_manager,
|
|---|
| 177 | address, false, USB_SPEED_FULL);
|
|---|
| 178 | if (ret != EOK) {
|
|---|
| 179 | usb_log_error("Failed to get root hub address: %s\n",
|
|---|
| 180 | str_error(ret));
|
|---|
| 181 | return ret;
|
|---|
| 182 | }
|
|---|
| 183 |
|
|---|
| 184 | #define CHECK_RET_UNREG_RETURN(ret, message...) \
|
|---|
| 185 | if (ret != EOK) { \
|
|---|
| 186 | usb_log_error(message); \
|
|---|
| 187 | usb_endpoint_manager_remove_ep( \
|
|---|
| 188 | &instance->ep_manager, *address, 0, \
|
|---|
| 189 | USB_DIRECTION_BOTH, NULL, NULL); \
|
|---|
| 190 | usb_device_manager_release_address( \
|
|---|
| 191 | &instance->dev_manager, *address); \
|
|---|
| 192 | return ret; \
|
|---|
| 193 | } else (void)0
|
|---|
| 194 |
|
|---|
| 195 | ret = usb_endpoint_manager_add_ep(
|
|---|
| 196 | &instance->ep_manager, *address, 0,
|
|---|
| 197 | USB_DIRECTION_BOTH, USB_TRANSFER_CONTROL, USB_SPEED_FULL, 64,
|
|---|
| 198 | 0, NULL, NULL);
|
|---|
| 199 | CHECK_RET_UNREG_RETURN(ret,
|
|---|
| 200 | "Failed to add root hub control endpoint: %s.\n", str_error(ret));
|
|---|
| 201 |
|
|---|
| 202 | match_id_t mid = { .id = "usb&class=hub", .score = 100 };
|
|---|
| 203 | link_initialize(&mid.link);
|
|---|
| 204 | match_id_list_t mid_list;
|
|---|
| 205 | init_match_ids(&mid_list);
|
|---|
| 206 | add_match_id(&mid_list, &mid);
|
|---|
| 207 |
|
|---|
| 208 | ret = hcd_add_device(
|
|---|
| 209 | instance, device, *address, USB_SPEED_FULL, "rh", &mid_list);
|
|---|
| 210 | CHECK_RET_UNREG_RETURN(ret,
|
|---|
| 211 | "Failed to add hcd device: %s.\n", str_error(ret));
|
|---|
| 212 |
|
|---|
| 213 | return EOK;
|
|---|
| 214 | #undef CHECK_RET_UNREG_RETURN
|
|---|
| 215 | }
|
|---|
| 216 |
|
|---|
| 217 | /** Initialize hc structures.
|
|---|
| 218 | *
|
|---|
| 219 | * @param[in] device DDF instance of the device to use.
|
|---|
| 220 | *
|
|---|
| 221 | * This function does all the preparatory work for hc driver implementation.
|
|---|
| 222 | * - gets device hw resources
|
|---|
| 223 | * - disables OHCI legacy support
|
|---|
| 224 | * - asks for interrupt
|
|---|
| 225 | * - registers interrupt handler
|
|---|
| 226 | */
|
|---|
| 227 | int hcd_setup_device(ddf_dev_t *device)
|
|---|
| 228 | {
|
|---|
| 229 | if (device == NULL)
|
|---|
| 230 | return EBADMEM;
|
|---|
| 231 |
|
|---|
| 232 | hc_dev_t *instance = ddf_dev_data_alloc(device, sizeof(hc_dev_t));
|
|---|
| 233 | if (instance == NULL) {
|
|---|
| 234 | usb_log_error("Failed to allocate OHCI driver.\n");
|
|---|
| 235 | return ENOMEM;
|
|---|
| 236 | }
|
|---|
| 237 |
|
|---|
| 238 | #define CHECK_RET_DEST_FREE_RETURN(ret, message...) \
|
|---|
| 239 | if (ret != EOK) { \
|
|---|
| 240 | if (instance->hc_fun) { \
|
|---|
| 241 | ddf_fun_destroy(instance->hc_fun); \
|
|---|
| 242 | } \
|
|---|
| 243 | usb_log_error(message); \
|
|---|
| 244 | return ret; \
|
|---|
| 245 | } else (void)0
|
|---|
| 246 |
|
|---|
| 247 | instance->hc_fun = ddf_fun_create(device, fun_exposed, "hc");
|
|---|
| 248 | int ret = instance->hc_fun ? EOK : ENOMEM;
|
|---|
| 249 | CHECK_RET_DEST_FREE_RETURN(ret,
|
|---|
| 250 | "Failed to create OHCI HC function: %s.\n", str_error(ret));
|
|---|
| 251 | ddf_fun_set_ops(instance->hc_fun, &hc_ops);
|
|---|
| 252 | hcd_t *hcd = ddf_fun_data_alloc(instance->hc_fun, sizeof(hcd_t));
|
|---|
| 253 | ret = hcd ? EOK : ENOMEM;
|
|---|
| 254 | CHECK_RET_DEST_FREE_RETURN(ret,
|
|---|
| 255 | "Failed to allocate HCD structure: %s.\n", str_error(ret));
|
|---|
| 256 |
|
|---|
| 257 | hcd_init(hcd, USB_SPEED_FULL, BANDWIDTH_AVAILABLE_USB11,
|
|---|
| 258 | bandwidth_count_usb11);
|
|---|
| 259 |
|
|---|
| 260 | ret = ddf_fun_bind(instance->hc_fun);
|
|---|
| 261 | CHECK_RET_DEST_FREE_RETURN(ret,
|
|---|
| 262 | "Failed to bind OHCI device function: %s.\n", str_error(ret));
|
|---|
| 263 |
|
|---|
| 264 | #define CHECK_RET_UNBIND_FREE_RETURN(ret, message...) \
|
|---|
| 265 | if (ret != EOK) { \
|
|---|
| 266 | ddf_fun_unbind(instance->hc_fun); \
|
|---|
| 267 | CHECK_RET_DEST_FREE_RETURN(ret, \
|
|---|
| 268 | "Failed to add OHCI to HC class: %s.\n", str_error(ret)); \
|
|---|
| 269 | } else (void)0
|
|---|
| 270 | ret = ddf_fun_add_to_category(instance->hc_fun, USB_HC_CATEGORY);
|
|---|
| 271 | CHECK_RET_UNBIND_FREE_RETURN(ret,
|
|---|
| 272 | "Failed to add hc to category: %s\n", str_error(ret));
|
|---|
| 273 |
|
|---|
| 274 | /* HC should be ok at this point (except it can't do anything) */
|
|---|
| 275 |
|
|---|
| 276 | return EOK;
|
|---|
| 277 | }
|
|---|
| 278 |
|
|---|
| 279 | /**
|
|---|
| 280 | * @}
|
|---|
| 281 | */
|
|---|
