| 1 | /*
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| 2 | * Copyright (c) 2011 Jan Vesely
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 | /** @addtogroup drvusbuhci
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| 29 | * @{
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| 30 | */
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| 31 | /** @file
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| 32 | * @brief UHCI driver
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| 33 | */
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| 34 | #include <assert.h>
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| 35 | #include <errno.h>
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| 36 | #include <str_error.h>
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| 37 | #include <stdio.h>
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| 38 |
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| 39 | #include <usb/debug.h>
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| 40 |
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| 41 | #include "uhci_rh.h"
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| 42 | #include "uhci_hc.h"
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| 43 |
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| 44 | /** Root hub initialization
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| 45 | * @param[in] instance RH structure to initialize
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| 46 | * @param[in] fun DDF function representing UHCI root hub
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| 47 | * @param[in] reg_addr Address of root hub status and control registers.
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| 48 | * @param[in] reg_size Size of accessible address space.
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| 49 | * @return Error code.
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| 50 | */
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| 51 | int uhci_rh_init(
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| 52 | uhci_rh_t *instance, ddf_fun_t *fun, uintptr_t reg_addr, size_t reg_size)
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| 53 | {
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| 54 | assert(fun);
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| 55 |
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| 56 | char *match_str = NULL;
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| 57 | int ret = asprintf(&match_str, "usb&uhci&root-hub");
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| 58 | if (ret < 0) {
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| 59 | usb_log_error("Failed to create root hub match string.\n");
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| 60 | return ENOMEM;
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| 61 | }
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| 62 |
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| 63 | ret = ddf_fun_add_match_id(fun, match_str, 100);
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| 64 | if (ret != EOK) {
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| 65 | usb_log_error("Failed(%d) to add root hub match id: %s\n",
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| 66 | ret, str_error(ret));
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| 67 | return ret;
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| 68 | }
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| 69 |
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| 70 | hw_resource_list_t *resource_list = &instance->resource_list;
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| 71 | resource_list->count = 1;
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| 72 | resource_list->resources = &instance->io_regs;
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| 73 | assert(resource_list->resources);
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| 74 | instance->io_regs.type = IO_RANGE;
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| 75 | instance->io_regs.res.io_range.address = reg_addr;
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| 76 | instance->io_regs.res.io_range.size = reg_size;
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| 77 | instance->io_regs.res.io_range.endianness = LITTLE_ENDIAN;
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| 78 |
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| 79 | return EOK;
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| 80 | }
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| 81 | /**
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| 82 | * @}
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| 83 | */
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