1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2022 Soren Schmidt <sos@deepcore.dk> 5 * Copyright (c) 2022 Jared McNeill <jmcneill@invisible.ca> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $Id: eqos_var.h 1009 2022-11-15 20:17:35Z sos $ 30 */ 31 32 /* 33 * DesignWare Ethernet Quality-of-Service controller 34 */ 35 36 #ifndef _EQOS_VAR_H 37 #define _EQOS_VAR_H 38 39 #include <dev/eqos/if_eqos_reg.h> 40 41 #define EQOS_DMA_DESC_COUNT 256 42 43 #define EQOS_RES_MEM 0 44 #define EQOS_RES_IRQ0 1 45 #define EQOS_RES_COUNT 2 46 47 #define EQOS_INTR_FLAGS (INTR_TYPE_NET | INTR_MPSAFE) 48 49 struct eqos_dma_desc { 50 uint32_t des0; 51 uint32_t des1; 52 uint32_t des2; 53 uint32_t des3; 54 } __packed; 55 56 struct eqos_bufmap { 57 bus_dmamap_t map; 58 struct mbuf *mbuf; 59 }; 60 61 struct eqos_ring { 62 bus_dma_tag_t desc_tag; 63 bus_dmamap_t desc_map; 64 struct eqos_dma_desc *desc_ring; 65 bus_addr_t desc_ring_paddr; 66 67 bus_dma_tag_t buf_tag; 68 struct eqos_bufmap buf_map[EQOS_DMA_DESC_COUNT]; 69 70 u_int head; 71 u_int tail; 72 }; 73 74 struct eqos_softc { 75 device_t dev; 76 struct resource *res[EQOS_RES_COUNT]; 77 void *irq_handle; 78 #ifdef FDT 79 struct syscon *grf; 80 int grf_offset; 81 #endif 82 uint32_t csr_clock; 83 uint32_t csr_clock_range; 84 uint32_t hw_feature[4]; 85 bool link_up; 86 int tx_watchdog; 87 88 struct ifnet *ifp; 89 device_t miibus; 90 struct mtx lock; 91 struct callout callout; 92 93 struct eqos_ring tx; 94 struct eqos_ring rx; 95 }; 96 97 DECLARE_CLASS(eqos_driver); 98 99 #endif 100