From patchwork Fri Oct 7 12:30:56 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 118314 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 5E4D7B70CA for ; Fri, 7 Oct 2011 23:31:35 +1100 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 3D022290F9; Fri, 7 Oct 2011 14:31:29 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id C+oAh-ZC21NJ; Fri, 7 Oct 2011 14:31:29 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 9A4A729108; Fri, 7 Oct 2011 14:31:13 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id E7663290E0 for ; Fri, 7 Oct 2011 14:31:09 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id D-80yBr2xhXx for ; Fri, 7 Oct 2011 14:31:08 +0200 (CEST) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mail-bw0-f44.google.com (mail-bw0-f44.google.com [209.85.214.44]) by theia.denx.de (Postfix) with ESMTPS id E01A8290C3 for ; Fri, 7 Oct 2011 14:31:05 +0200 (CEST) Received: by mail-bw0-f44.google.com with SMTP id q10so4327144bka.3 for ; Fri, 07 Oct 2011 05:31:05 -0700 (PDT) Received: by 10.204.13.142 with SMTP id c14mr1343445bka.3.1317990665246; Fri, 07 Oct 2011 05:31:05 -0700 (PDT) Received: from mashiro.kolej.mff.cuni.cz (vasut.kolej.mff.cuni.cz. [78.128.198.52]) by mx.google.com with ESMTPS id rc12sm8870646bkb.10.2011.10.07.05.31.04 (version=SSLv3 cipher=OTHER); Fri, 07 Oct 2011 05:31:04 -0700 (PDT) From: Marek Vasut To: u-boot@lists.denx.de Date: Fri, 7 Oct 2011 14:30:56 +0200 Message-Id: <1317990657-17214-3-git-send-email-marek.vasut@gmail.com> X-Mailer: git-send-email 1.7.6.3 In-Reply-To: <1317990657-17214-1-git-send-email-marek.vasut@gmail.com> References: <1317990657-17214-1-git-send-email-marek.vasut@gmail.com> Subject: [U-Boot] [PATCH 2/2] USB: Drop dead code from usb_kbd.c X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.9 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de Signed-off-by: Marek Vasut Cc: Wolfgang Denk Cc: Remy Bohmer --- common/usb_kbd.c | 369 ------------------------------------------------------ 1 files changed, 0 insertions(+), 369 deletions(-) diff --git a/common/usb_kbd.c b/common/usb_kbd.c index d19551b..c453ea3 100644 --- a/common/usb_kbd.c +++ b/common/usb_kbd.c @@ -509,372 +509,3 @@ int usb_kbd_deregister(void) return 1; #endif } - -#if 0 -struct usb_hid_descriptor { - unsigned char bLength; - unsigned char bDescriptorType; /* 0x21 for HID */ - unsigned short bcdHID; /* release number */ - unsigned char bCountryCode; - unsigned char bNumDescriptors; - unsigned char bReportDescriptorType; - unsigned short wDescriptorLength; -} __attribute__ ((packed)); - -/* - * We parse each description item into this structure. Short items data - * values are expanded to 32-bit signed int, long items contain a pointer - * into the data area. - */ - -struct hid_item { - unsigned char format; - unsigned char size; - unsigned char type; - unsigned char tag; - union { - unsigned char u8; - char s8; - unsigned short u16; - short s16; - unsigned long u32; - long s32; - unsigned char *longdata; - } data; -}; - -/* - * HID report item format - */ - -#define HID_ITEM_FORMAT_SHORT 0 -#define HID_ITEM_FORMAT_LONG 1 - -/* - * Special tag indicating long items - */ - -#define HID_ITEM_TAG_LONG 15 - - -static struct usb_hid_descriptor usb_kbd_hid_desc; - -void usb_kbd_display_hid(struct usb_hid_descriptor *hid) -{ - printf("USB_HID_DESC:\n"); - printf(" bLenght 0x%x\n",hid->bLength); - printf(" bcdHID 0x%x\n",hid->bcdHID); - printf(" bCountryCode %d\n",hid->bCountryCode); - printf(" bNumDescriptors 0x%x\n",hid->bNumDescriptors); - printf(" bReportDescriptorType 0x%x\n",hid->bReportDescriptorType); - printf(" wDescriptorLength 0x%x\n",hid->wDescriptorLength); -} - - -/* - * Fetch a report description item from the data stream. We support long - * items, though they are not used yet. - */ - -static int fetch_item(unsigned char *start,unsigned char *end, struct hid_item *item) -{ - if((end - start) > 0) { - unsigned char b = *start++; - item->type = (b >> 2) & 3; - item->tag = (b >> 4) & 15; - if (item->tag == HID_ITEM_TAG_LONG) { - item->format = HID_ITEM_FORMAT_LONG; - if ((end - start) >= 2) { - item->size = *start++; - item->tag = *start++; - if ((end - start) >= item->size) { - item->data.longdata = start; - start += item->size; - return item->size; - } - } - } else { - item->format = HID_ITEM_FORMAT_SHORT; - item->size = b & 3; - switch (item->size) { - case 0: - return item->size; - case 1: - if ((end - start) >= 1) { - item->data.u8 = *start++; - return item->size; - } - break; - case 2: - if ((end - start) >= 2) { - item->data.u16 = le16_to_cpu((unsigned short *)start); - start+=2; - return item->size; - } - case 3: - item->size++; - if ((end - start) >= 4) { - item->data.u32 = le32_to_cpu((unsigned long *)start); - start+=4; - return item->size; - } - } - } - } - return -1; -} - -/* - * HID report descriptor item type (prefix bit 2,3) - */ - -#define HID_ITEM_TYPE_MAIN 0 -#define HID_ITEM_TYPE_GLOBAL 1 -#define HID_ITEM_TYPE_LOCAL 2 -#define HID_ITEM_TYPE_RESERVED 3 -/* - * HID report descriptor main item tags - */ - -#define HID_MAIN_ITEM_TAG_INPUT 8 -#define HID_MAIN_ITEM_TAG_OUTPUT 9 -#define HID_MAIN_ITEM_TAG_FEATURE 11 -#define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10 -#define HID_MAIN_ITEM_TAG_END_COLLECTION 12 -/* - * HID report descriptor main item contents - */ - -#define HID_MAIN_ITEM_CONSTANT 0x001 -#define HID_MAIN_ITEM_VARIABLE 0x002 -#define HID_MAIN_ITEM_RELATIVE 0x004 -#define HID_MAIN_ITEM_WRAP 0x008 -#define HID_MAIN_ITEM_NONLINEAR 0x010 -#define HID_MAIN_ITEM_NO_PREFERRED 0x020 -#define HID_MAIN_ITEM_NULL_STATE 0x040 -#define HID_MAIN_ITEM_VOLATILE 0x080 -#define HID_MAIN_ITEM_BUFFERED_BYTE 0x100 - -/* - * HID report descriptor collection item types - */ - -#define HID_COLLECTION_PHYSICAL 0 -#define HID_COLLECTION_APPLICATION 1 -#define HID_COLLECTION_LOGICAL 2 -/* - * HID report descriptor global item tags - */ - -#define HID_GLOBAL_ITEM_TAG_USAGE_PAGE 0 -#define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM 1 -#define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM 2 -#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM 3 -#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM 4 -#define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT 5 -#define HID_GLOBAL_ITEM_TAG_UNIT 6 -#define HID_GLOBAL_ITEM_TAG_REPORT_SIZE 7 -#define HID_GLOBAL_ITEM_TAG_REPORT_ID 8 -#define HID_GLOBAL_ITEM_TAG_REPORT_COUNT 9 -#define HID_GLOBAL_ITEM_TAG_PUSH 10 -#define HID_GLOBAL_ITEM_TAG_POP 11 - -/* - * HID report descriptor local item tags - */ - -#define HID_LOCAL_ITEM_TAG_USAGE 0 -#define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM 1 -#define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM 2 -#define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX 3 -#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 4 -#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 5 -#define HID_LOCAL_ITEM_TAG_STRING_INDEX 7 -#define HID_LOCAL_ITEM_TAG_STRING_MINIMUM 8 -#define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM 9 -#define HID_LOCAL_ITEM_TAG_DELIMITER 10 - - -static void usb_kbd_show_item(struct hid_item *item) -{ - switch(item->type) { - case HID_ITEM_TYPE_MAIN: - switch(item->tag) { - case HID_MAIN_ITEM_TAG_INPUT: - printf("Main Input"); - break; - case HID_MAIN_ITEM_TAG_OUTPUT: - printf("Main Output"); - break; - case HID_MAIN_ITEM_TAG_FEATURE: - printf("Main Feature"); - break; - case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: - printf("Main Begin Collection"); - break; - case HID_MAIN_ITEM_TAG_END_COLLECTION: - printf("Main End Collection"); - break; - default: - printf("Main reserved %d",item->tag); - break; - } - break; - case HID_ITEM_TYPE_GLOBAL: - switch(item->tag) { - case HID_GLOBAL_ITEM_TAG_USAGE_PAGE: - printf("- Global Usage Page"); - break; - case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM: - printf("- Global Logical Minimum"); - break; - case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM: - printf("- Global Logical Maximum"); - break; - case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM: - printf("- Global physical Minimum"); - break; - case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM: - printf("- Global physical Maximum"); - break; - case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT: - printf("- Global Unit Exponent"); - break; - case HID_GLOBAL_ITEM_TAG_UNIT: - printf("- Global Unit"); - break; - case HID_GLOBAL_ITEM_TAG_REPORT_SIZE: - printf("- Global Report Size"); - break; - case HID_GLOBAL_ITEM_TAG_REPORT_ID: - printf("- Global Report ID"); - break; - case HID_GLOBAL_ITEM_TAG_REPORT_COUNT: - printf("- Global Report Count"); - break; - case HID_GLOBAL_ITEM_TAG_PUSH: - printf("- Global Push"); - break; - case HID_GLOBAL_ITEM_TAG_POP: - printf("- Global Pop"); - break; - default: - printf("- Global reserved %d",item->tag); - break; - } - break; - case HID_ITEM_TYPE_LOCAL: - switch(item->tag) { - case HID_LOCAL_ITEM_TAG_USAGE: - printf("-- Local Usage"); - break; - case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM: - printf("-- Local Usage Minimum"); - break; - case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM: - printf("-- Local Usage Maximum"); - break; - case HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX: - printf("-- Local Designator Index"); - break; - case HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM: - printf("-- Local Designator Minimum"); - break; - case HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM: - printf("-- Local Designator Maximum"); - break; - case HID_LOCAL_ITEM_TAG_STRING_INDEX: - printf("-- Local String Index"); - break; - case HID_LOCAL_ITEM_TAG_STRING_MINIMUM: - printf("-- Local String Minimum"); - break; - case HID_LOCAL_ITEM_TAG_STRING_MAXIMUM: - printf("-- Local String Maximum"); - break; - case HID_LOCAL_ITEM_TAG_DELIMITER: - printf("-- Local Delimiter"); - break; - default: - printf("-- Local reserved %d",item->tag); - break; - } - break; - default: - printf("--- reserved %d",item->type); - break; - } - switch(item->size) { - case 1: - printf(" %d",item->data.u8); - break; - case 2: - printf(" %d",item->data.u16); - break; - case 4: - printf(" %ld",item->data.u32); - break; - } - printf("\n"); -} - - -static int usb_kbd_get_hid_desc(struct usb_device *dev) -{ - unsigned char buffer[256]; - struct usb_descriptor_header *head; - struct usb_config_descriptor *config; - int index,len,i; - unsigned char *start, *end; - struct hid_item item; - - if(usb_get_configuration_no(dev,&buffer[0],0)==-1) - return -1; - head =(struct usb_descriptor_header *)&buffer[0]; - if(head->bDescriptorType!=USB_DT_CONFIG) { - printf(" ERROR: NOT USB_CONFIG_DESC %x\n",head->bDescriptorType); - return -1; - } - index=head->bLength; - config=(struct usb_config_descriptor *)&buffer[0]; - len=le16_to_cpu(config->wTotalLength); - /* Ok the first entry must be a configuration entry, now process the others */ - head=(struct usb_descriptor_header *)&buffer[index]; - while(index+1 < len) { - if(head->bDescriptorType==USB_DT_HID) { - printf("HID desc found\n"); - memcpy(&usb_kbd_hid_desc,&buffer[index],buffer[index]); - le16_to_cpus(&usb_kbd_hid_desc.bcdHID); - le16_to_cpus(&usb_kbd_hid_desc.wDescriptorLength); - usb_kbd_display_hid(&usb_kbd_hid_desc); - len=0; - break; - } - index+=head->bLength; - head=(struct usb_descriptor_header *)&buffer[index]; - } - if(len>0) - return -1; - len=usb_kbd_hid_desc.wDescriptorLength; - if((index = usb_get_class_descriptor(dev, 0, USB_DT_REPORT, 0, &buffer[0], len)) < 0) { - printf("reading report descriptor failed\n"); - return -1; - } - printf(" report descriptor (size %u, read %d)\n", len, index); - start = &buffer[0]; - end = &buffer[len]; - i=0; - do { - index=fetch_item(start,end,&item); - i+=index; - i++; - if(index>=0) - usb_kbd_show_item(&item); - - start+=index; - start++; - } while(index>=0); - -} - -#endif