X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fusb%2Fgadget%2Fg_dnl.c;h=2fa6da4091e16b07ca5b2b3322e133b67550b934;hb=f46c25583a73042edf432b209ee4b93bc3f7e762;hp=cc3f3449c97c85b2e4fad5ed46f3f55210d845fc;hpb=3c47f2f4871c345c20b9d986b11fec550ef6cc9f;p=oweals%2Fu-boot.git diff --git a/drivers/usb/gadget/g_dnl.c b/drivers/usb/gadget/g_dnl.c index cc3f3449c9..2fa6da4091 100644 --- a/drivers/usb/gadget/g_dnl.c +++ b/drivers/usb/gadget/g_dnl.c @@ -4,34 +4,23 @@ * Copyright (C) 2012 Samsung Electronics * Lukasz Majewski * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ -#include #include #include #include #include +#include #include -#include "f_dfu.h" +#include +#include +#include #include "gadget_chips.h" #include "composite.c" -#include "f_mass_storage.c" /* * One needs to define the following: @@ -43,15 +32,27 @@ #define STRING_MANUFACTURER 25 #define STRING_PRODUCT 2 +/* Index of String Descriptor describing this configuration */ #define STRING_USBDOWN 2 -#define CONFIG_USBDOWNLOADER 2 +/* Index of String serial */ +#define STRING_SERIAL 3 +#define MAX_STRING_SERIAL 32 +/* Number of supported configurations */ +#define CONFIGURATION_NUMBER 1 #define DRIVER_VERSION "usb_dnl 2.0" -static const char shortname[] = "usb_dnl_"; static const char product[] = "USB download gadget"; +static char g_dnl_serial[MAX_STRING_SERIAL]; static const char manufacturer[] = CONFIG_G_DNL_MANUFACTURER; +void g_dnl_set_serialnumber(char *s) +{ + memset(g_dnl_serial, 0, MAX_STRING_SERIAL); + if (strlen(s) < MAX_STRING_SERIAL) + strncpy(g_dnl_serial, s, strlen(s)); +} + static struct usb_device_descriptor device_desc = { .bLength = sizeof device_desc, .bDescriptorType = USB_DT_DEVICE, @@ -63,14 +64,19 @@ static struct usb_device_descriptor device_desc = { .idVendor = __constant_cpu_to_le16(CONFIG_G_DNL_VENDOR_NUM), .idProduct = __constant_cpu_to_le16(CONFIG_G_DNL_PRODUCT_NUM), .iProduct = STRING_PRODUCT, + .iSerialNumber = STRING_SERIAL, .bNumConfigurations = 1, }; -/* static strings, in UTF-8 */ +/* + * static strings, in UTF-8 + * IDs for those strings are assigned dynamically at g_dnl_bind() + */ static struct usb_string g_dnl_string_defs[] = { - { 0, manufacturer, }, - { 1, product, }, - { } /* end of list */ + {.s = manufacturer}, + {.s = product}, + {.s = g_dnl_serial}, + { } /* end of list */ }; static struct usb_gadget_strings g_dnl_string_tab = { @@ -88,41 +94,113 @@ static int g_dnl_unbind(struct usb_composite_dev *cdev) struct usb_gadget *gadget = cdev->gadget; debug("%s: calling usb_gadget_disconnect for " - "controller '%s'\n", shortname, gadget->name); + "controller '%s'\n", __func__, gadget->name); usb_gadget_disconnect(gadget); return 0; } +static inline struct g_dnl_bind_callback *g_dnl_bind_callback_first(void) +{ + return ll_entry_start(struct g_dnl_bind_callback, + g_dnl_bind_callbacks); +} + +static inline struct g_dnl_bind_callback *g_dnl_bind_callback_end(void) +{ + return ll_entry_end(struct g_dnl_bind_callback, + g_dnl_bind_callbacks); +} + static int g_dnl_do_config(struct usb_configuration *c) { const char *s = c->cdev->driver->name; - int ret = -1; + struct g_dnl_bind_callback *callback = g_dnl_bind_callback_first(); debug("%s: configuration: 0x%p composite dev: 0x%p\n", __func__, c, c->cdev); - printf("GADGET DRIVER: %s\n", s); - if (!strcmp(s, "usb_dnl_dfu")) - ret = dfu_add(c); - else if (!strcmp(s, "usb_dnl_ums")) - ret = fsg_add(c); - - return ret; + for (; callback != g_dnl_bind_callback_end(); callback++) + if (!strcmp(s, callback->usb_function_name)) + return callback->fptr(c); + return -ENODEV; } static int g_dnl_config_register(struct usb_composite_dev *cdev) { - static struct usb_configuration config = { - .label = "usb_dnload", - .bmAttributes = USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER, - .bConfigurationValue = CONFIG_USBDOWNLOADER, - .iConfiguration = STRING_USBDOWN, + struct usb_configuration *config; + const char *name = "usb_dnload"; + + config = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*config)); + if (!config) + return -ENOMEM; - .bind = g_dnl_do_config, - }; + memset(config, 0, sizeof(*config)); - return usb_add_config(cdev, &config); + config->label = name; + config->bmAttributes = USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER; + config->bConfigurationValue = CONFIGURATION_NUMBER; + config->iConfiguration = STRING_USBDOWN; + config->bind = g_dnl_do_config; + + return usb_add_config(cdev, config); +} + +__weak +int board_usb_init(int index, enum usb_init_type init) +{ + return 0; +} + +__weak +int board_usb_cleanup(int index, enum usb_init_type init) +{ + return 0; +} + +__weak +int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name) +{ + return 0; +} + +__weak int g_dnl_get_board_bcd_device_number(int gcnum) +{ + return gcnum; +} + +__weak int g_dnl_board_usb_cable_connected(void) +{ + return -EOPNOTSUPP; +} + +static bool g_dnl_detach_request; + +bool g_dnl_detach(void) +{ + return g_dnl_detach_request; +} + +void g_dnl_trigger_detach(void) +{ + g_dnl_detach_request = true; +} + +void g_dnl_clear_detach(void) +{ + g_dnl_detach_request = false; +} + +static int g_dnl_get_bcd_device_number(struct usb_composite_dev *cdev) +{ + struct usb_gadget *gadget = cdev->gadget; + int gcnum; + + gcnum = usb_gadget_controller_number(gadget); + if (gcnum > 0) + gcnum += 0x200; + + return g_dnl_get_board_bcd_device_number(gcnum); } static int g_dnl_bind(struct usb_composite_dev *cdev) @@ -147,23 +225,29 @@ static int g_dnl_bind(struct usb_composite_dev *cdev) g_dnl_string_defs[1].id = id; device_desc.iProduct = id; + id = usb_string_id(cdev); + if (id < 0) + return id; + + g_dnl_string_defs[2].id = id; + device_desc.iSerialNumber = id; + + g_dnl_bind_fixup(&device_desc, cdev->driver->name); ret = g_dnl_config_register(cdev); if (ret) goto error; - gcnum = usb_gadget_controller_number(gadget); - - debug("gcnum: %d\n", gcnum); + gcnum = g_dnl_get_bcd_device_number(cdev); if (gcnum >= 0) - device_desc.bcdDevice = cpu_to_le16(0x0200 + gcnum); + device_desc.bcdDevice = cpu_to_le16(gcnum); else { debug("%s: controller '%s' not recognized\n", - shortname, gadget->name); + __func__, gadget->name); device_desc.bcdDevice = __constant_cpu_to_le16(0x9999); } debug("%s: calling usb_gadget_connect for " - "controller '%s'\n", shortname, gadget->name); + "controller '%s'\n", __func__, gadget->name); usb_gadget_connect(gadget); return 0; @@ -182,33 +266,23 @@ static struct usb_composite_driver g_dnl_driver = { .unbind = g_dnl_unbind, }; -int g_dnl_register(const char *type) +/* + * NOTICE: + * Registering via USB function name won't be necessary after rewriting + * g_dnl to support multiple USB functions. + */ +int g_dnl_register(const char *name) { - /* We only allow "dfu" atm, so 3 should be enough */ - static char name[sizeof(shortname) + 3]; int ret; - if (!strcmp(type, "dfu")) { - strcpy(name, shortname); - strcat(name, type); - } else if (!strcmp(type, "ums")) { - strcpy(name, shortname); - strcat(name, type); - } else { - printf("%s: unknown command: %s\n", __func__, type); - return -EINVAL; - } - + debug("%s: g_dnl_driver.name = %s\n", __func__, name); g_dnl_driver.name = name; - debug("%s: g_dnl_driver.name: %s\n", __func__, g_dnl_driver.name); ret = usb_composite_register(&g_dnl_driver); - if (ret) { printf("%s: failed!, error: %d\n", __func__, ret); return ret; } - return 0; }