| 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 drvusbehci
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | * Main routines of EHCI driver.
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| 34 | */
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| 35 | #include <ddf/driver.h>
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| 36 | #include <ddf/interrupt.h>
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| 37 | #include <device/hw_res.h>
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| 38 | #include <errno.h>
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| 39 | #include <str_error.h>
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| 40 |
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| 41 | #include <usb_iface.h>
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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 "res.h"
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| 46 | #include "hc.h"
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| 47 |
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| 48 | #define NAME "ehci"
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| 49 |
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| 50 | static int ehci_driver_init(hcd_t *hcd, const hw_res_list_parsed_t *res, bool irq)
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| 51 | {
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| 52 | assert(hcd);
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| 53 | assert(hcd->driver.data == NULL);
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| 54 |
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| 55 | hc_t *instance = malloc(sizeof(hc_t));
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| 56 | if (!instance)
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| 57 | return ENOMEM;
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| 58 |
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| 59 | const int ret = hc_init(instance, res, irq);
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| 60 | if (ret == EOK)
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| 61 | hcd_set_implementation(hcd, instance, ehci_hc_schedule,
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| 62 | NULL, NULL, ehci_hc_interrupt, ehci_hc_status);
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| 63 | return ret;
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| 64 | }
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| 65 |
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| 66 | static void ehci_driver_fini(hcd_t *hcd)
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| 67 | {
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| 68 | assert(hcd);
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| 69 | if (hcd->driver.data)
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| 70 | hc_fini(hcd->driver.data);
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| 71 |
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| 72 | free(hcd->driver.data);
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| 73 | hcd_set_implementation(hcd, NULL, NULL, NULL, NULL, NULL, NULL);
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| 74 | }
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| 75 |
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| 76 | static int ehci_dev_add(ddf_dev_t *device);
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| 77 |
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| 78 | static const driver_ops_t ehci_driver_ops = {
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| 79 | .dev_add = ehci_dev_add,
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| 80 | };
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| 81 |
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| 82 | static const driver_t ehci_driver = {
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| 83 | .name = NAME,
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| 84 | .driver_ops = &ehci_driver_ops
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| 85 | };
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| 86 |
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| 87 |
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| 88 | /** Initializes a new ddf driver instance of EHCI hcd.
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| 89 | *
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| 90 | * @param[in] device DDF instance of the device to initialize.
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| 91 | * @return Error code.
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| 92 | */
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| 93 | static int ehci_dev_add(ddf_dev_t *device)
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| 94 | {
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| 95 | usb_log_debug("ehci_dev_add() called\n");
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| 96 | assert(device);
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| 97 |
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| 98 | int ret = disable_legacy(device);
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| 99 | if (ret != EOK) {
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| 100 | usb_log_error("Failed to disable EHCI legacy support: %s\n",
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| 101 | str_error(ret));
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| 102 | return ret;
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| 103 | }
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| 104 |
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| 105 | ret = ddf_hcd_device_setup_all(device, USB_SPEED_HIGH,
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| 106 | BANDWIDTH_AVAILABLE_USB20, bandwidth_count_usb11,
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| 107 | ddf_hcd_gen_irq_handler, ehci_hc_gen_irq_code,
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| 108 | ehci_driver_init, ehci_driver_fini);
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| 109 | if (ret != EOK) {
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| 110 | usb_log_error("Failed to initialize EHCI driver: %s.\n",
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| 111 | str_error(ret));
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| 112 | return ret;
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| 113 | }
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| 114 | usb_log_info("Controlling new EHCI device '%s'.\n",
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| 115 | ddf_dev_get_name(device));
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| 116 |
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| 117 | return EOK;
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| 118 | }
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| 119 |
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| 120 | /** Initializes global driver structures (NONE).
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| 121 | *
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| 122 | * @param[in] argc Nmber of arguments in argv vector (ignored).
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| 123 | * @param[in] argv Cmdline argument vector (ignored).
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| 124 | * @return Error code.
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| 125 | *
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| 126 | * Driver debug level is set here.
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| 127 | */
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| 128 | int main(int argc, char *argv[])
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| 129 | {
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| 130 | log_init(NAME);
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| 131 | return ddf_driver_main(&ehci_driver);
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| 132 | }
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| 133 | /**
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| 134 | * @}
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| 135 | */
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