1 2 /*- 3 * SPDX-License-Identifier: BSD-2-Clause 4 * 5 * Copyright (c) 2010 Hans Petter Selasky. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _OCTUSB_H_ 30 #define _OCTUSB_H_ 31 32 #define OCTUSB_MAX_DEVICES MIN(USB_MAX_DEVICES, 64) 33 #define OCTUSB_MAX_PORTS 2 /* hardcoded */ 34 #define OCTUSB_MAX_FIXUP 4096 /* bytes */ 35 #define OCTUSB_INTR_ENDPT 0x01 36 37 struct octusb_qh; 38 struct octusb_td; 39 struct octusb_softc; 40 41 typedef uint8_t (octusb_cmd_t)(struct octusb_td *td); 42 43 struct octusb_td { 44 struct octusb_qh *qh; 45 struct octusb_td *obj_next; 46 struct usb_page_cache *pc; 47 octusb_cmd_t *func; 48 49 uint32_t remainder; 50 uint32_t offset; 51 52 uint8_t error_any:1; 53 uint8_t error_stall:1; 54 uint8_t short_pkt:1; 55 uint8_t alt_next:1; 56 uint8_t reserved:4; 57 }; 58 59 struct octusb_qh { 60 uint64_t fixup_phys; 61 62 struct octusb_softc *sc; 63 struct usb_page_cache *fixup_pc; 64 uint8_t *fixup_buf; 65 66 cvmx_usb_iso_packet_t iso_pkt; 67 68 uint32_t fixup_off; 69 70 uint16_t max_frame_size; 71 uint16_t max_packet_size; 72 uint16_t fixup_actlen; 73 uint16_t fixup_len; 74 uint16_t ep_interval; 75 76 uint8_t dev_addr; 77 uint8_t dev_speed; 78 uint8_t ep_allocated; 79 uint8_t ep_mult; 80 uint8_t ep_num; 81 uint8_t ep_type; 82 uint8_t ep_toggle_next; 83 uint8_t root_port_index; 84 uint8_t fixup_complete; 85 uint8_t fixup_pending; 86 uint8_t hs_hub_addr; 87 uint8_t hs_hub_port; 88 89 int fixup_handle; 90 int ep_handle; 91 }; 92 93 struct octusb_config_desc { 94 struct usb_config_descriptor confd; 95 struct usb_interface_descriptor ifcd; 96 struct usb_endpoint_descriptor endpd; 97 } __packed; 98 99 union octusb_hub_desc { 100 struct usb_status stat; 101 struct usb_port_status ps; 102 uint8_t temp[128]; 103 }; 104 105 struct octusb_port { 106 cvmx_usb_state_t state; 107 uint8_t disabled; 108 }; 109 110 struct octusb_softc { 111 struct usb_bus sc_bus; /* base device */ 112 union octusb_hub_desc sc_hub_desc; 113 114 struct usb_device *sc_devices[OCTUSB_MAX_DEVICES]; 115 116 struct resource *sc_irq_res[OCTUSB_MAX_PORTS]; 117 void *sc_intr_hdl[OCTUSB_MAX_PORTS]; 118 119 struct octusb_port sc_port[OCTUSB_MAX_PORTS]; 120 device_t sc_dev; 121 122 struct usb_hub_descriptor_min sc_hubd; 123 124 uint8_t sc_noport; /* number of ports */ 125 uint8_t sc_addr; /* device address */ 126 uint8_t sc_conf; /* device configuration */ 127 uint8_t sc_isreset; /* set if current port is reset */ 128 129 uint8_t sc_hub_idata[1]; 130 }; 131 132 usb_bus_mem_cb_t octusb_iterate_hw_softc; 133 usb_error_t octusb_init(struct octusb_softc *); 134 usb_error_t octusb_uninit(struct octusb_softc *); 135 void octusb_interrupt(struct octusb_softc *); 136 137 #endif /* _OCTUSB_H_ */ 138