| 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/ddfiface.h>
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| 43 | #include <usb/debug.h>
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| 44 |
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| 45 | #include "pci.h"
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| 46 | #include "ehci.h"
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| 47 |
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| 48 | static int ehci_add_device(ddf_dev_t *device);
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| 49 | /*----------------------------------------------------------------------------*/
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| 50 | static driver_ops_t ehci_driver_ops = {
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| 51 | .add_device = ehci_add_device,
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| 52 | };
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| 53 | /*----------------------------------------------------------------------------*/
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| 54 | static driver_t ehci_driver = {
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| 55 | .name = NAME,
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| 56 | .driver_ops = &ehci_driver_ops
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| 57 | };
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| 58 | static ddf_dev_ops_t hc_ops = {
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| 59 | .interfaces[USBHC_DEV_IFACE] = &ehci_hc_iface,
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| 60 | };
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| 61 |
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| 62 | /*----------------------------------------------------------------------------*/
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| 63 | /** Initializes a new ddf driver instance of EHCI hcd.
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| 64 | *
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| 65 | * @param[in] device DDF instance of the device to initialize.
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| 66 | * @return Error code.
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| 67 | */
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| 68 | static int ehci_add_device(ddf_dev_t *device)
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| 69 | {
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| 70 | assert(device);
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| 71 | #define CHECK_RET_RETURN(ret, message...) \
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| 72 | if (ret != EOK) { \
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| 73 | usb_log_error(message); \
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| 74 | return ret; \
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| 75 | }
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| 76 |
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| 77 | uintptr_t reg_base = 0;
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| 78 | size_t reg_size = 0;
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| 79 | int irq = 0;
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| 80 |
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| 81 | int ret = pci_get_my_registers(device, ®_base, ®_size, &irq);
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| 82 | CHECK_RET_RETURN(ret,
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| 83 | "Failed to get memory addresses for %" PRIun ": %s.\n",
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| 84 | device->handle, str_error(ret));
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| 85 | usb_log_info("Memory mapped regs at 0x%" PRIxn " (size %zu), IRQ %d.\n",
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| 86 | reg_base, reg_size, irq);
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| 87 |
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| 88 | ret = pci_disable_legacy(device, reg_base, reg_size, irq);
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| 89 | CHECK_RET_RETURN(ret,
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| 90 | "Failed(%d) disable legacy USB: %s.\n", ret, str_error(ret));
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| 91 |
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| 92 | ddf_fun_t *hc_fun = ddf_fun_create(device, fun_exposed, "ehci-hc");
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| 93 | if (hc_fun == NULL) {
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| 94 | usb_log_error("Failed to create EHCI function.\n");
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| 95 | return ENOMEM;
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| 96 | }
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| 97 | hc_fun->ops = &hc_ops;
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| 98 |
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| 99 | ret = ddf_fun_bind(hc_fun);
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| 100 | CHECK_RET_RETURN(ret,
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| 101 | "Failed to bind EHCI function: %s.\n",
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| 102 | str_error(ret));
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| 103 | ret = ddf_fun_add_to_class(hc_fun, USB_HC_DDF_CLASS_NAME);
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| 104 | CHECK_RET_RETURN(ret,
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| 105 | "Failed to add EHCI to HC class: %s.\n",
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| 106 | str_error(ret));
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| 107 |
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| 108 | usb_log_info("Controlling new EHCI device `%s' (handle %" PRIun ").\n",
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| 109 | device->name, device->handle);
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| 110 |
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| 111 | return EOK;
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| 112 | #undef CHECK_RET_RETURN
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| 113 | }
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| 114 | /*----------------------------------------------------------------------------*/
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| 115 | /** Initializes global driver structures (NONE).
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| 116 | *
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| 117 | * @param[in] argc Nmber of arguments in argv vector (ignored).
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| 118 | * @param[in] argv Cmdline argument vector (ignored).
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| 119 | * @return Error code.
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| 120 | *
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| 121 | * Driver debug level is set here.
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| 122 | */
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| 123 | int main(int argc, char *argv[])
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| 124 | {
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| 125 | usb_log_enable(USB_LOG_LEVEL_DEFAULT, NAME);
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| 126 | return ddf_driver_main(&ehci_driver);
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| 127 | }
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| 128 | /**
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| 129 | * @}
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| 130 | */
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