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Diffstat (limited to 'drivers/dsp/bridge/gen/uuidutil.c')
| -rw-r--r-- | drivers/dsp/bridge/gen/uuidutil.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/drivers/dsp/bridge/gen/uuidutil.c b/drivers/dsp/bridge/gen/uuidutil.c new file mode 100644 index 000000000000..a45f448847eb --- /dev/null +++ b/drivers/dsp/bridge/gen/uuidutil.c @@ -0,0 +1,238 @@ +/* + * uuidutil.c + * + * DSP-BIOS Bridge driver support functions for TI OMAP processors. + * + * Copyright (C) 2005-2006 Texas Instruments, Inc. + * + * This package is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + + +/* + * ======== uuidutil.c ======== + * Description: + * This file contains the implementation of UUID helper functions. + * + *! Revision History + *! ================ + *! 23-Feb-2003 vp: Code review updates. + *! 18-Oct-2003 vp: Ported to Linux platform. + *! 31-Aug-2000 rr: UUID_UuidFromString bug fixed. + *! 29-Aug-2000 rr: Modified UUID_UuidFromString. + *! 09-Nov-2000 kc: Modified UUID_UuidFromString to simplify implementation. + *! 30-Oct-2000 kc: Modified UUID utility module function prefix. + *! 10-Aug-2000 kc: Created. + *! + */ + +/* ----------------------------------- Host OS */ +#include <dspbridge/host_os.h> + +/* ----------------------------------- DSP/BIOS Bridge */ +#include <dspbridge/std.h> +#include <dspbridge/dbdefs.h> + +/* ----------------------------------- Trace & Debug */ +#include <dspbridge/dbc.h> + +/* ----------------------------------- This */ +#include <dspbridge/uuidutil.h> + +/* + * ======== UUID_UuidToString ======== + * Purpose: + * Converts a struct DSP_UUID to a string. + * Note: snprintf format specifier is: + * %[flags] [width] [.precision] [{h | l | I64 | L}]type + */ +void UUID_UuidToString(IN struct DSP_UUID *pUuid, OUT char *pszUuid, + IN s32 size) +{ + s32 i; /* return result from snprintf. */ + + DBC_Require(pUuid && pszUuid); + + i = snprintf(pszUuid, size, + "%.8X_%.4X_%.4X_%.2X%.2X_%.2X%.2X%.2X%.2X%.2X%.2X", + pUuid->ulData1, pUuid->usData2, pUuid->usData3, + pUuid->ucData4, pUuid->ucData5, pUuid->ucData6[0], + pUuid->ucData6[1], pUuid->ucData6[2], pUuid->ucData6[3], + pUuid->ucData6[4], pUuid->ucData6[5]); + + DBC_Ensure(i != -1); +} + +/* + * ======== htoi ======== + * Purpose: + * Converts a hex value to a decimal integer. + */ + +static int htoi(char c) +{ + switch (c) { + case '0': + return 0; + case '1': + return 1; + case '2': + return 2; + case '3': + return 3; + case '4': + return 4; + case '5': + return 5; + case '6': + return 6; + case '7': + return 7; + case '8': + return 8; + case '9': + return 9; + case 'A': + return 10; + case 'B': + return 11; + case 'C': + return 12; + case 'D': + return 13; + case 'E': + return 14; + case 'F': + return 15; + case 'a': + return 10; + case 'b': + return 11; + case 'c': + return 12; + case 'd': + return 13; + case 'e': + return 14; + case 'f': + return 15; + } + return 0; +} + +/* + * ======== UUID_UuidFromString ======== + * Purpose: + * Converts a string to a struct DSP_UUID. + */ +void UUID_UuidFromString(IN char *pszUuid, OUT struct DSP_UUID *pUuid) +{ + char c; + s32 i, j; + s32 result; + char *temp = pszUuid; + + result = 0; + for (i = 0; i < 8; i++) { + /* Get first character in string */ + c = *temp; + + /* Increase the results by new value */ + result *= 16; + result += htoi(c); + + /* Go to next character in string */ + temp++; + } + pUuid->ulData1 = result; + + /* Step over underscore */ + temp++; + + result = 0; + for (i = 0; i < 4; i++) { + /* Get first character in string */ + c = *temp; + + /* Increase the results by new value */ + result *= 16; + result += htoi(c); + + /* Go to next character in string */ + temp++; + } + pUuid->usData2 = (u16)result; + + /* Step over underscore */ + temp++; + + result = 0; + for (i = 0; i < 4; i++) { + /* Get first character in string */ + c = *temp; + + /* Increase the results by new value */ + result *= 16; + result += htoi(c); + + /* Go to next character in string */ + temp++; + } + pUuid->usData3 = (u16)result; + + /* Step over underscore */ + temp++; + + result = 0; + for (i = 0; i < 2; i++) { + /* Get first character in string */ + c = *temp; + + /* Increase the results by new value */ + result *= 16; + result += htoi(c); + + /* Go to next character in string */ + temp++; + } + pUuid->ucData4 = (u8)result; + + result = 0; + for (i = 0; i < 2; i++) { + /* Get first character in string */ + c = *temp; + + /* Increase the results by new value */ + result *= 16; + result += htoi(c); + + /* Go to next character in string */ + temp++; + } + pUuid->ucData5 = (u8)result; + + /* Step over underscore */ + temp++; + + for (j = 0; j < 6; j++) { + result = 0; + for (i = 0; i < 2; i++) { + /* Get first character in string */ + c = *temp; + + /* Increase the results by new value */ + result *= 16; + result += htoi(c); + + /* Go to next character in string */ + temp++; + } + pUuid->ucData6[j] = (u8)result; + } +} |