| 1 | /*
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| 2 | * Copyright (c) 2011 Jan Vesely
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| 3 | * Copyright (c) 2011 Vojtech Horky
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * - Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | * - Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | * - The name of the author may not be used to endorse or promote products
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| 16 | * derived from this software without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | */
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| 29 | /** @addtogroup drvusbohci
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | * Main routines of OHCI driver.
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| 34 | */
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| 35 |
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| 36 | #include <assert.h>
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| 37 | #include <ddf/driver.h>
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| 38 | #include <errno.h>
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| 39 | #include <io/log.h>
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| 40 | #include <str_error.h>
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| 41 |
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| 42 | #include <usb/debug.h>
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| 43 | #include <usb/host/ddf_helpers.h>
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| 44 |
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| 45 | #include "hc.h"
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| 46 |
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| 47 | #define NAME "ohci"
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| 48 | // TODO: This should be merged to hc_interrupt
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| 49 | static void ohci_interrupt(hcd_t *hcd, uint32_t status)
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| 50 | {
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| 51 | assert(hcd);
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| 52 | if (hcd->driver.data)
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| 53 | hc_interrupt(hcd->driver.data, status);
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| 54 | }
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| 55 |
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| 56 | static int ohci_driver_init(hcd_t *hcd, const hw_res_list_parsed_t *res, bool irq)
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| 57 | {
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| 58 | assert(hcd);
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| 59 | assert(hcd->driver.data == NULL);
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| 60 |
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| 61 | hc_t *instance = malloc(sizeof(hc_t));
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| 62 | if (!instance)
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| 63 | return ENOMEM;
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| 64 |
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| 65 | const int ret = hc_init(instance, res, irq);
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| 66 | if (ret == EOK)
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| 67 | hcd_set_implementation(hcd, instance, hc_schedule,
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| 68 | ohci_endpoint_init, ohci_endpoint_fini, ohci_interrupt,
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| 69 | hc_status);
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| 70 | return ret;
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| 71 | }
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| 72 |
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| 73 | static void ohci_driver_fini(hcd_t *hcd)
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| 74 | {
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| 75 | assert(hcd);
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| 76 | if (hcd->driver.data)
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| 77 | hc_fini(hcd->driver.data);
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| 78 |
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| 79 | free(hcd->driver.data);
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| 80 | hcd_set_implementation(hcd, NULL, NULL, NULL, NULL, NULL, NULL);
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| 81 | }
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| 82 |
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| 83 | /** Initializes a new ddf driver instance of OHCI hcd.
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| 84 | *
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| 85 | * @param[in] device DDF instance of the device to initialize.
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| 86 | * @return Error code.
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| 87 | */
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| 88 | static int ohci_dev_add(ddf_dev_t *device)
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| 89 | {
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| 90 | usb_log_debug("ohci_dev_add() called\n");
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| 91 | assert(device);
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| 92 |
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| 93 | const int ret = ddf_hcd_device_setup_all(device, USB_SPEED_FULL,
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| 94 | BANDWIDTH_AVAILABLE_USB11, bandwidth_count_usb11,
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| 95 | ddf_hcd_gen_irq_handler, hc_gen_irq_code,
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| 96 | ohci_driver_init, ohci_driver_fini);
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| 97 | if (ret != EOK) {
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| 98 | usb_log_error("Failed to initialize OHCI driver: %s.\n",
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| 99 | str_error(ret));
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| 100 | }
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| 101 | usb_log_info("Controlling new OHCI device '%s'.\n",
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| 102 | ddf_dev_get_name(device));
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| 103 |
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| 104 | return ret;
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| 105 | }
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| 106 |
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| 107 | static const driver_ops_t ohci_driver_ops = {
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| 108 | .dev_add = ohci_dev_add,
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| 109 | };
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| 110 |
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| 111 | static const driver_t ohci_driver = {
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| 112 | .name = NAME,
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| 113 | .driver_ops = &ohci_driver_ops
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| 114 | };
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| 115 |
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| 116 | /** Initializes global driver structures (NONE).
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| 117 | *
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| 118 | * @param[in] argc Nmber of arguments in argv vector (ignored).
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| 119 | * @param[in] argv Cmdline argument vector (ignored).
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| 120 | * @return Error code.
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| 121 | *
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| 122 | * Driver debug level is set here.
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| 123 | */
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| 124 | int main(int argc, char *argv[])
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| 125 | {
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| 126 | log_init(NAME);
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| 127 | return ddf_driver_main(&ohci_driver);
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| 128 | }
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| 129 | /**
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| 130 | * @}
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| 131 | */
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